Rubber cutting device

Abstract

The utility model belongs to the technical field of rubber cutting, and particularly relates to a rubber cutting device which comprises a gantry rack and a cutting device installed on the gantry rack. The hydraulic cylinder is fixedly installed at the top of the gantry rack, the telescopic movable end of the hydraulic cylinder is connected with a connecting shaft, a limiting chassis is arranged at the bottom of the connecting shaft, and an upper limiting disc is arranged in the middle of the connecting shaft; the tool bit connecting frame comprises an upper connecting frame and a lower connecting frame, the two ends of the lower connecting frame are fixedly connected with the upper connecting frame, a gap exists between a main body of the lower connecting frame and the upper connecting frame, the connecting shaft is arranged on a plate body of the upper connecting frame in a penetrating mode, and the upper connecting frame is located between the upper limiting disc and the limiting chassis; a buffer spring is arranged between the plate body of the lower connecting frame and the limiting chassis; and the cutter is mounted on the lower connecting frame.

Description

Technical Field

[0001] The utility model belongs to the technical field of rubber cutting, and in particular relates to a rubber cutting device. Background Art

[0002] With the rapid development of electronic technology, more and more audio equipment is being used, and small audio equipment is also being used more widely. Since the speaker is an important component of the volume and sound quality of the audio, a large number of R&D personnel are trying their best to expand various technologies. The traditional audio speakers and the matching rubber edge structure of the speakers are generally that one end of the plate-shaped rubber edge is connected to the basin frame on the speaker body, and the other end is connected to the audio bracket.

[0003] In the production process of rubber edges, the rubber raw materials need to be cut first, and the cutting equipment is needed for cutting, and then the rubber is shaped by an open mill. The Chinese patent application number CN201721537083.3 discloses a silicone rubber rubber cutting machine, including a base, a kettle body is provided on the base, a feeding port, a stirring device and a screw extrusion device are provided on the kettle body, and a cutting device is provided at the outlet of the screw extrusion device, and the inlet of the screw extrusion device is connected to the lower part of the cavity of the kettle body. The purpose of this utility model is to provide a silicone rubber rubber cutting machine with a simple structure, continuous discharge and uniform product specifications.

[0004] Most of the existing rubber cutting devices directly drive the cutter to cut the rubber when in use, lack buffer protection, and the cutter is easily damaged. The cutter needs to be replaced frequently, which undoubtedly increases the production cost. Therefore, an improved rubber cutting device is designed. Utility Model Content

[0005] In view of the above-mentioned deficiencies in the prior art, the utility model provides a rubber cutting device to solve the above-mentioned problems in the background technology.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A rubber cutting device comprises a gantry frame and a cutting device mounted on the gantry frame, wherein the cutting device comprises:

[0008] A hydraulic cylinder, wherein the hydraulic cylinder is fixedly mounted on the top of the gantry frame, the telescopic movable end of the hydraulic cylinder is connected to a connecting shaft, the bottom of the connecting shaft is provided with a limiting chassis, and the middle of the connecting shaft is provided with an upper limit plate;

[0009] A cutter head connecting frame, the cutter head connecting frame comprises an upper connecting frame and a lower connecting frame, the two ends of the lower connecting frame are fixedly connected to the upper connecting frame, a gap is formed between the main body of the lower connecting frame and the upper connecting frame, the connecting shaft is passed through the plate body of the upper connecting frame, the upper connecting frame is located between the upper limit plate and the limit chassis, and a buffer spring is arranged between the plate body of the lower connecting frame and the limit chassis;

[0010] A cutter is installed on the lower connecting frame.

[0011] By adopting the above structural design, the rubber cutting device includes a cutting device and a gantry frame providing installation support for the cutting device, the cutting device includes a power element hydraulic cylinder and a cutter, a connecting shaft and a cutter head connecting frame are connected between the cutter and the hydraulic cylinder, wherein a limiting chassis is provided at the bottom of the connecting shaft, an upper limit disk is provided in the middle, and the cutter head connecting frame includes an upper connecting frame and a lower connecting frame, the connecting shaft is passed through the plate body of the upper connecting frame, the upper connecting frame is located between the upper limit disk and the limiting chassis, a buffer spring is provided between the plate body of the lower connecting frame and the limiting chassis, when in use, the cutter head connecting frame and the cutter are driven to move downward through the connecting shaft by the hydraulic cylinder to cut the raw material, during this process, the cutter head connecting frame and the cutter move downward as a whole, during the downward movement, the upper limit disk contacts the upper connecting frame, when the cutter contacts the raw material, the limiting chassis squeezes the buffer spring to form a buffer, the hydraulic cylinder continues to push, the upper limit disk begins to contact the upper connecting frame, squeezes the upper connecting frame, and provides sufficient power to enable the cutter to cut the raw material.

[0012] Furthermore, it also includes two guide slide bars, which are fixedly arranged on both sides of the cutting device;

[0013] Both ends of the upper connecting frame are connected with guide sliding sleeves, and the guide sliding sleeves are slidably mounted on the guide sliding rods.

[0014] Furthermore, the upper connecting frame and the lower connecting frame are both U-shaped plate structures, and the buffer spring is fixedly connected to the lower connecting frame.

[0015] Furthermore, the distance between the upper limiting plate and the limiting bottom plate is smaller than the distance between the main body of the lower connecting frame and the upper connecting frame.

[0016] Furthermore, the gantry frame includes two oppositely arranged columns, the tops of the two columns are connected to a top beam, the hydraulic cylinder is fixedly installed on the top beam, a rubber cutting board is arranged between the bottoms of the two columns, and a cutting groove is opened on the surface of the rubber cutting board.

[0017] Furthermore, a frame is connected to the outer side of the column, and a transmission roller for assisting feeding is installed between the two frames.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] 1. The rubber cutting device comprises a cutting device and a gantry frame for providing mounting support for the cutting device, the cutting device comprises a power element hydraulic cylinder and a cutter, a connecting shaft and a cutter head connecting frame are connected between the cutter and the hydraulic cylinder, wherein a limiting chassis is provided at the bottom of the connecting shaft and an upper limit disk is provided in the middle, the cutter head connecting frame comprises an upper connecting frame and a lower connecting frame, the connecting shaft is passed through a plate body of the upper connecting frame, the upper connecting frame is located between the upper limit disk and the limiting chassis, and a buffer spring is provided between the plate body of the lower connecting frame and the limiting chassis. When in use, the cutter head connecting frame and the cutter are driven downward by the hydraulic cylinder through the connecting shaft to cut the raw material. In this process, the cutter head connecting frame and the cutter move downward as a whole, and in the process of moving downward, the upper limit disk contacts the upper connecting frame, and when the cutter contacts the raw material, the limiting chassis squeezes the buffer spring to form a buffer, and the hydraulic cylinder continues to push, and the upper limit disk begins to contact the upper connecting frame, squeezes the upper connecting frame, and provides sufficient power to enable the cutter to cut the raw material;

[0020] 2. By setting an upper limit plate and a limit chassis on the connecting shaft, a cutter head connecting frame consisting of an upper connecting frame and a lower connecting frame is designed, and a buffer spring is set between the lower connecting frame and the limit chassis. A buffer structure is formed through the above structure to provide buffer protection for the cutter and improve the service life of the device. The device has a simple structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of a rubber cutting device of the utility model;

[0022] Figure 2 It is a schematic diagram of the three-dimensional structure of a cutting device in an embodiment of a rubber cutting device of the utility model;

[0023] Figure 3 This is a structural schematic diagram of a rubber cutting device embodiment of the utility model without a top beam;

[0024] The reference numerals in the drawings of the specification include:

[0025] A gantry frame (1), a frame (11), a column (12), a top beam (13), a rubber cutting board (14), a driving roller (15), a cutting device (2), a hydraulic cylinder (21), a cutter head connecting frame (22), an upper connecting frame (221), a lower connecting frame (222), a guide sliding sleeve (223), a connecting shaft (23), an upper limit plate (24), a limit chassis (25), a buffer spring (26), a cutter (27), and a guide sliding rod (28). DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0027] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on this patent; in order to better illustrate the embodiments of the utility model, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0028] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present invention 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. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0029] In the description of the present invention, unless otherwise clearly specified and limited, if the term "connection" or the like appears to indicate the connection relationship between components, the term should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two components or the interaction relationship between two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] Embodiment 1:

[0031] like Figure 1-3 As shown, the utility model. Specifically, a rubber cutting device comprises a gantry frame 1 and a cutting device 2 installed on the gantry frame 1, the cutting device 2 comprises: a hydraulic cylinder 21, the hydraulic cylinder 21 is fixedly installed on the top of the gantry frame 1, the telescopic movable end of the hydraulic cylinder 21 is connected with a connecting shaft 23, the bottom of the connecting shaft 23 is provided with a limiting chassis 25, and the middle of the connecting shaft 23 is provided with an upper limit plate 24; a cutter head connecting frame 22, the cutter head connecting frame 22 comprises an upper connecting frame 221 and a lower connecting frame 222, the two ends of the lower connecting frame 222 are fixedly connected to the upper connecting frame 221, there is a gap between the main body of the lower connecting frame 222 and the upper connecting frame 221, the connecting shaft 23 is penetrated on the plate body of the upper connecting frame 221, the upper connecting frame 221 is located between the upper limit plate 24 and the limiting chassis 25, and a buffer spring 26 is provided between the plate body of the lower connecting frame 222 and the limiting chassis 25; a cutter 27, the cutter 27 is installed on the lower connecting frame 222.

[0032] By adopting the above structural design, the rubber cutting device includes a cutting device 2 and a gantry frame 1 providing mounting support for the cutting device 2, the cutting device 2 includes a power element hydraulic cylinder 21 and a cutter 27, a connecting shaft 23 and a cutter head connecting frame 22 are connected between the cutter 27 and the hydraulic cylinder 21, wherein a limiting chassis 25 is provided at the bottom of the connecting shaft 23 and an upper limit plate 24 is provided in the middle, the cutter head connecting frame 22 includes an upper connecting frame 221 and a lower connecting frame 222, the connecting shaft 23 is passed through the plate body of the upper connecting frame 221, the upper connecting frame 221 is located between the upper limit plate 24 and the limiting chassis 25, and the lower connecting frame 222 is provided with a lower limit plate 24. A buffer spring 26 is arranged between the plate body and the limiting chassis 25. When in use, the hydraulic cylinder 21 drives the cutter head connecting frame 22 and the cutter 27 to move downward through the connecting shaft 23 to cut the raw material. In this process, the cutter head connecting frame 22 and the cutter 27 move downward as a whole. During the downward movement, the upper limit plate 24 contacts the upper connecting frame 221. When the cutter 27 contacts the raw material, the limiting chassis 25 squeezes the buffer spring 26 to form a buffer. The hydraulic cylinder 21 continues to push, and the upper limit plate 24 begins to contact the upper connecting frame 221, squeezing the upper connecting frame 221 to provide sufficient power to enable the cutter 27 to cut the raw material.

[0033] The cutting device 2 also includes two guide slide bars 28, which are fixedly arranged on both sides of the cutting device 2; the two ends of the upper connecting frame 221 are connected with guide sleeves 223, which are slidably mounted on the guide slide bars 28. By adopting the above structural protection design, the guide slide bars 28 and the guide sleeves 223 are arranged to guide and limit the movement of the cutter head connecting frame 22 and the cutter 27.

[0034] In this embodiment, the upper connecting frame 221 and the lower connecting frame 222 are both U-shaped plate structures, and the buffer spring 26 is fixedly connected to the lower connecting frame 222 .

[0035] In this embodiment, the distance between the upper limiting plate 24 and the limiting bottom plate 25 is smaller than the distance between the main body of the lower connecting frame 222 and the upper connecting frame 221 .

[0036] In this embodiment, the gantry frame 1 includes two oppositely arranged columns 12, the tops of the two columns 12 are connected with a top beam 13, the hydraulic cylinder 21 is fixedly mounted on the top beam 13, a rubber cutting board 14 is arranged between the bottoms of the two columns 12, and a cutting groove is provided on the surface of the rubber cutting board 14. The outer side of the column 12 is connected with a frame 11, and a transmission roller 15 for auxiliary feeding is installed between the two frames 11. By adopting the above structural design, the feeding of raw materials can be facilitated.

[0037] Working principle: the raw material is placed on the rubber cutting board 14 along the driving roller 15, and the hydraulic cylinder 21 is started. The hydraulic cylinder 21 pushes the connecting shaft 23 to drive the cutter head connecting frame 22 and the cutter 27 to move downward to cut the raw material. In this process, the cutter head connecting frame 22 and the cutter 27 move downward as a whole. During the downward movement, the upper limit plate 24 contacts the upper connecting frame 221. When the cutter 27 contacts the raw material, the limiting chassis 25 squeezes the buffer spring 26 to form a buffer. The hydraulic cylinder 21 continues to push, and the upper limit plate 24 begins to contact the upper connecting frame 221, squeezing the upper connecting frame 221 to provide sufficient power to enable the cutter 27 to cut the raw material. By arranging the upper limit plate 24 and the limiting chassis 25 on the connecting shaft 23, a cutter head connecting frame 22 composed of an upper connecting frame 221 and a lower connecting frame 222 is designed, and a buffer spring 26 is arranged between the lower connecting frame 222 and the limiting chassis 25. A buffer structure is formed by the above structure to provide buffer protection for the cutter 27 and improve the service life of the device.

[0038] The above are only embodiments of the utility model, and the circuits, electronic components and modules involved are all prior art, which can be fully implemented by those skilled in the art. It is needless to say that the content protected by this application does not involve improvements to software and methods. The common sense such as the known specific structure and characteristics in the scheme is not described in detail here. Ordinary technicians in the relevant field know all the common technical knowledge in the technical field of the utility model before the application date or priority date, can obtain all the prior art in the field, and have the ability to apply conventional experimental means before the date. Ordinary technicians in the relevant field can improve and implement this scheme in combination with their own abilities under the enlightenment given by this application. Some typical known structures or known methods should not become obstacles for ordinary technicians in the relevant field to implement this application. It should be pointed out that for those skilled in the art, without departing from the structure of the utility model, several deformations and improvements can be made, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent.

Claims

1. A rubber cutting device, characterized in that: It comprises a gantry frame (1) and a cutting device (2) installed on the gantry frame (1), wherein the cutting device (2) comprises: A hydraulic cylinder (21), wherein the hydraulic cylinder (21) is fixedly mounted on the top of the gantry frame (1), the telescopic movable end of the hydraulic cylinder (21) is connected to a connecting shaft (23), the bottom of the connecting shaft (23) is provided with a limiting chassis (25), and the middle of the connecting shaft (23) is provided with an upper limit plate (24); A cutter head connecting frame (22), the cutter head connecting frame (22) comprising an upper connecting frame (221) and a lower connecting frame (222), the two ends of the lower connecting frame (222) being fixedly connected to the upper connecting frame (221), a gap being present between the main body of the lower connecting frame (222) and the upper connecting frame (221), the connecting shaft (23) being passed through the plate body of the upper connecting frame (221), the upper connecting frame (221) being located between the upper limit plate (24) and the limit bottom plate (25), and a buffer spring (26) being provided between the plate body of the lower connecting frame (222) and the limit bottom plate (25); A cutter (27), wherein the cutter (27) is mounted on the lower connecting frame (222).

2. A rubber cutting device according to claim 1, characterized in that: It also includes two guide slide bars (28), which are fixedly arranged on both sides of the cutting device (2); Both ends of the upper connecting frame (221) are connected to guide sliding sleeves (223), and the guide sliding sleeves (223) are slidably mounted on the guide sliding rods (28).

3. A rubber cutting device according to claim 1, characterized in that: The upper connecting frame (221) and the lower connecting frame (222) are both U-shaped plate structures, and the buffer spring (26) is fixedly connected to the lower connecting frame (222).

4. A rubber cutting device as claimed in claim 3, characterized in that: The distance between the upper limiting plate (24) and the limiting bottom plate (25) is smaller than the distance between the main body of the lower connecting frame (222) and the upper connecting frame (221).

5. A rubber cutting device as claimed in claim 4, characterized in that: The gantry frame (1) comprises two columns (12) arranged opposite to each other, the tops of the two columns (12) are connected to a top beam (13), the hydraulic cylinder (21) is fixedly mounted on the top beam (13), a rubber cutting board (14) is arranged between the bottoms of the two columns (12), and a cutting groove is provided on the surface of the rubber cutting board (14).

6. A rubber cutting device as claimed in claim 5, characterized in that: The outer side of the column (12) is connected to a frame (11), and a transmission roller (15) for assisting material feeding is installed between the two frames (11).

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