Efficient trimming device for O-shaped ring

Abstract

The utility model relates to the technical field of rubber ring processing, and discloses an efficient trimming device for O-shaped rings, which comprises a bottom plate, the right side of the upper surface of the bottom plate is fixedly connected with a supporting column, the left side of the upper surface of the bottom plate is provided with lower placing grooves in a matrix shape, the top end of the supporting column is fixedly connected with a top plate, and the upper surface of the top plate is fixedly provided with an air cylinder. The driving end of the air cylinder extends to the position below the top plate and is fixedly connected with a pressing plate, the lower surface of the pressing plate is fixedly connected with a trimming blade, and the trimming blade is vertically arranged downwards. The trimming blades are arranged, the air cylinder is used for controlling the pressing plate to press downwards, the trimming blades with the inner layer and the outer layer are used for trimming and cutting the edge of the O-shaped ring, so that an O-shaped ring finished product can be rapidly obtained, the lower containing grooves are formed in a matrix mode, a plurality of O-shaped rings can be machined at a time, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber ring processing, in particular to a high-efficiency trimming device for O-rings. Background Art

[0002] O-type rubber ring is an annular rubber ring with a circular cross-section, which is mainly used to prevent the leakage of liquid and gaseous media in mechanical parts under static conditions. In some cases, it can also be used as a dynamic sealing element for axial reciprocating motion and low-speed rotational motion. Different materials can be selected to adapt to different conditions, and its application is relatively wide. The common molding process of O-type rubber rings is compression molding. During the compression molding process, the O-type ring will produce excess rubber material at the mold joint of the mold, which needs to be processed later. The common method is manual trimming, but this method is inefficient and requires a lot of manpower. Therefore, those skilled in the art provide an efficient trimming device for O-rings to solve the problems raised in the above background technology. Utility Model Content

[0003] The utility model aims to provide an efficient trimming device for an O-ring to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A high-efficiency trimming device for O-rings comprises a base plate, a support column is fixedly connected to the right side of the upper surface of the base plate, a lower placement groove is provided in a matrix shape on the left side of the upper surface of the base plate, the top of the support column is fixedly connected to a top plate, a cylinder is fixedly installed on the upper surface of the top plate, the driving end of the cylinder extends to the bottom of the top plate and is fixedly connected to a pressure plate, a trimming blade is fixedly connected to the lower surface of the pressure plate, and the trimming blade is arranged vertically downward.

[0006] As a further solution of the utility model: each group of the trimming blades is provided with an inner and outer layer, the lower surface of the pressure plate is provided with an upper alignment groove, and each of the upper alignment grooves is respectively located between the two trimming blades of each group, the upper alignment grooves are located directly above the lower placement grooves and correspond one-to-one to the size, position and number of the lower placement grooves.

[0007] As a further solution of the utility model: the cross-sections of the lower placement groove and the upper alignment groove are both semicircular, and the radii of the lower placement groove and the upper alignment groove are both equal to the radius of the circular cross-section of the O-ring.

[0008] As a further solution of the utility model: the lower edge of the upper alignment groove is aligned with the lower end of the trimming blade.

[0009] As a further solution of the utility model: a fan is installed inside the support column, and a three-way pipe is installed at the output end of the fan, and the other two interfaces of the three-way pipe are respectively connected to an upper air pipe and a lower air pipe, the upper end of the upper air pipe extends to the outside of the support column and is connected to a telescopic pipe, the interior of the pressure plate is provided with an internal air pipe of the pressure plate and an upper branch pipe, the upper end of the upper branch pipe is communicated with the internal air pipe of the pressure plate, the lower end of the upper branch pipe extends to the interior of the upper alignment groove, the other end of the telescopic pipe is connected to the internal air pipe of the pressure plate, the interior of the bottom plate is provided with an internal air pipe of the bottom plate and a lower branch pipe, the lower end of the lower branch pipe is communicated with the internal air pipe of the bottom plate, the upper end of the lower branch pipe extends to the interior of the lower placement groove, and the lower end of the lower air pipe extends to the interior of the bottom plate and is communicated with the internal air pipe of the bottom plate.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. By setting the trimming blade, the cylinder is used to control the pressing plate to press down, and the inner and outer double-layer trimming blades are used to trim and cut the edge of the O-ring, so that the finished O-ring can be quickly obtained, and the lower placement groove is arranged in a matrix, so that multiple O-rings can be processed at one time, and the work efficiency is improved.

[0012] 2. By setting up a fan and connecting it to the lower placement groove and the upper alignment groove through the air pipe and the branch pipe, after cutting, when there is a situation where the O-ring is stuck in the lower placement groove and the upper alignment groove, the fan can be turned on to blow the gas out from the lower branch pipe and the upper branch pipe, so that the O-ring stuck in the lower placement groove and the upper alignment groove can be discharged, thereby facilitating the collection of the O-ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of a high-efficiency trimming device for an O-ring;

[0014] Figure 2 A schematic diagram of the internal structure of an efficient trimming device for an O-ring;

[0015] Figure 3 for Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0016] In the figure: 1. bottom plate; 2. support column; 3. top plate; 4. cylinder; 5. pressure plate; 6. lower placement groove; 7. upper alignment groove; 8. fan; 9. three-way pipe; 10. upper air pipe; 11. telescopic pipe; 12. air pipe inside the pressure plate; 13. lower air pipe; 14. air pipe inside the bottom plate; 15. lower branch pipe; 16. trimming blade; 17. upper branch pipe. DETAILED DESCRIPTION

[0017] See also Figures 1 to 3 In an embodiment of the utility model, an efficient trimming device for an O-ring includes a bottom plate 1, a support column 2 is fixedly connected to the right side of the upper surface of the bottom plate 1, a lower placement groove 6 is opened in a matrix shape on the left side of the upper surface of the bottom plate 1, a top plate 3 is fixedly connected to the top of the support column 2, a cylinder 4 is fixedly installed on the upper surface of the top plate 3, a driving end of the cylinder 4 extends to the bottom of the top plate 3 and is fixedly connected to a pressing plate 5, a trimming blade 16 is fixedly connected to the lower surface of the pressing plate 5, and the trimming blade 16 is vertically arranged downward.

[0018] Preferably, each group of trimming blades 16 is provided with an inner and outer layer, an upper alignment groove 7 is opened on the lower surface of the pressing plate 5, and each upper alignment groove 7 is respectively located between the two trimming blades 16 of each group, the upper alignment groove 7 is located directly above the lower placement groove 6 and corresponds to the lower placement groove 6 in size, position and number, and a single O-ring can be trimmed by each group of inner and outer layer trimming blades 16, thereby removing excess scraps on both the inner and outer sides thereof.

[0019] Preferably, the cross-sections of the lower placement groove 6 and the upper alignment groove 7 are both semicircular, and the radii of the lower placement groove 6 and the upper alignment groove 7 are equal to the radius of the circular cross-section of the O-ring.

[0020] Preferably, the lower edge of the upper alignment groove 7 is aligned with the lower end of the trimming blade 16 to facilitate alignment and cutting.

[0021] Preferably, a fan 8 is installed inside the support column 2, and a three-way pipe 9 is installed at the output end of the fan 8. The other two interfaces of the three-way pipe 9 are respectively connected to the upper air pipe 10 and the lower air pipe 13. The upper end of the upper air pipe 10 extends to the outside of the support column 2 and is connected to the telescopic pipe 11. The inside of the pressing plate 5 is provided with a pressing plate internal air pipe 12 and an upper branch pipe 17. The upper end of the upper branch pipe 17 is connected to the pressing plate internal air pipe 12, and the lower end of the upper branch pipe 17 extends to the inside of the upper alignment groove 7. The other end of the telescopic pipe 11 is connected to the pressing plate internal air pipe 12. The inside of the bottom plate 1 An internal air pipe 14 of the bottom plate and a lower branch pipe 15 are provided, the lower end of the lower branch pipe 15 is connected to the internal air pipe 14 of the bottom plate, the upper end of the lower branch pipe 15 extends to the interior of the lower placement groove 6, the lower end of the lower air pipe 13 extends to the interior of the bottom plate 1 and is connected to the internal air pipe 14 of the bottom plate. After cutting is completed, when there is a situation where the O-ring is stuck in the lower placement groove 6 and the upper alignment groove 7, the fan 8 can be turned on to blow the gas out from the lower branch pipe 15 and the upper branch pipe 17, so that the O-ring stuck in the lower placement groove 6 and the upper alignment groove 7 can be discharged, making it convenient to collect the O-ring.

[0022] The working principle of the utility model is as follows: when trimming and cutting the O-ring, firstly, the O-ring containing the excess scraps is laid on the upper surface of the bottom plate 1, so that each O-ring can fall into the lower placement groove 6, and the cylinder 4 is turned on to press the pressing plate 5 downward, and the inner and outer edges of the O-ring are trimmed by the upper alignment groove 7, so as to obtain a finished O-ring, and then, the pressing plate 5 is reset by the cylinder 4. When some O-rings are stuck in the lower placement groove 6 and the upper alignment groove 7, the air blower 8 is turned on, and the gas passes through the three-way pipe 9 and is blown out from the lower branch pipe 15 and the upper branch pipe 17 respectively, so that the O-rings stuck in the lower placement groove 6 and the upper alignment groove 7 are discharged, so that the O-rings are convenient to collect. In the whole process, no manual trimming is required, and multiple O-rings can be trimmed at one time, so that the efficiency is improved.

[0023] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. An efficient trimming device for an O-ring, comprising a base plate (1), characterized in that: A support column (2) is fixedly connected to the right side of the upper surface of the bottom plate (1); a lower placement groove (6) is provided in a matrix shape on the left side of the upper surface of the bottom plate (1); a top plate (3) is fixedly connected to the top of the support column (2); a cylinder (4) is fixedly mounted on the upper surface of the top plate (3); a driving end of the cylinder (4) extends to the bottom of the top plate (3) and is fixedly connected to a pressing plate (5); a trimming blade (16) is fixedly connected to the lower surface of the pressing plate (5); and the trimming blade (16) is arranged vertically facing downward.

2. The high-efficiency trimming device for an O-ring according to claim 1, characterized in that: Each group of trimming blades (16) is provided with two layers, an inner layer and an outer layer. An upper alignment groove (7) is provided on the lower surface of the pressing plate (5), and each of the upper alignment grooves (7) is located between two trimming blades (16) in each group. The upper alignment grooves (7) are located directly above the lower placement grooves (6) and have a one-to-one correspondence with the lower placement grooves (6) in size, position and number.

3. The high-efficiency trimming device for an O-ring according to claim 2, characterized in that: The cross-sections of the lower placement groove (6) and the upper alignment groove (7) are both semicircular, and the radii of the lower placement groove (6) and the upper alignment groove (7) are both equal to the radius of the circular cross-section of the O-ring.

4. The high-efficiency trimming device for an O-ring according to claim 2, characterized in that: The lower edge of the upper alignment groove (7) is aligned with the lower end of the trimming blade (16).

5. The high-efficiency trimming device for O-rings according to claim 2, characterized in that: A fan (8) is installed inside the support column (2), and a three-way pipe (9) is installed at the output end of the fan (8). The other two interfaces of the three-way pipe (9) are respectively connected to an upper air pipe (10) and a lower air pipe (13). The upper end of the upper air pipe (10) extends to the outside of the support column (2) and is connected to a telescopic pipe (11). The interior of the pressing plate (5) is provided with a pressing plate internal air pipe (12) and an upper branch pipe (17). The upper end of the upper branch pipe (17) is connected to the pressing plate internal air pipe (12). The lower end of the telescopic tube (17) extends into the interior of the upper alignment groove (7), the other end of the telescopic tube (11) is connected to the internal air pipe (12) of the pressure plate, the interior of the bottom plate (1) is provided with an internal air pipe (14) of the bottom plate and a lower branch pipe (15), the lower end of the lower branch pipe (15) is connected to the internal air pipe (14) of the bottom plate, the upper end of the lower branch pipe (15) extends into the interior of the lower placement groove (6), and the lower end of the lower air pipe (13) extends into the interior of the bottom plate (1) and is connected to the internal air pipe (14) of the bottom plate.

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