Air spring and chamfering machine

Abstract

The utility model discloses an air spring and a chamfering machine, the air spring comprises a bag body, a buckle, a base, a locking sleeve and an air cap, the bag body is in a cylindrical structure, the outer periphery of the base is connected with the inner periphery of one end of the bag body, the inner periphery of the buckle is connected with the outer periphery of one end of the bag body, and the outer periphery of the air cap is connected with the inner periphery of the other end of the bag body. According to the air spring, the air bag body is sealed through the base and the air cap to form an air bag structure, and the air spring is formed through the air bag structure to replace an air cylinder. The parallel gaps are formed between the base and the air cap, the displacement in the horizontal direction can be buffered and compensated while vertical lifting is driven, the device adapts to displacement compensation and abrasion loss of the grinding wheel during chamfering of non-straight corners, the requirement for a compressed air source is low, and filtering is not needed for use.

Description

Technical Field

[0001] The utility model belongs to the technical field of chamfering machines, and more specifically, relates to an air spring and a chamfering machine. Background Art

[0002] The chamfering machine is used to grind the edge of the workpiece and chamfer the edge of the workpiece. When the chamfering machine is working, the workpiece is ground through the grinding wheel mechanism (grinding head), and the grinding wheel mechanism swings along the contour of the workpiece through the swing mechanism. The swing mechanism moves up and down through the cylinder stretching action to grind the end face of the bar, and the grinding wheel mechanism is driven by a motor, a transmission belt and a pulley.

[0003] Because the cylinder drives the swing mechanism to swing up and down, the cylinder has strict requirements on the quality of the intake air. Therefore, a filter device is generally designed in the cylinder intake pipeline. This filter device needs to be replaced or maintained regularly, which not only increases the maintenance cost of the equipment but also increases the complexity of the equipment. At the same time, when chamfering, the chamfered rods will be subjected to a spiral feed force, which makes the rods subject to a force or movement tendency to move toward one side of the grinding wheel. Under the action of this feed force, an impact force will be generated on the grinding wheel, and each structure will be subjected to the impact force or the component of the impact force, which will cause the grinding wheel to wear quickly. Moreover, the chamfered rods are not all straight. Once there is a rod with a certain degree of curvature, the cylinder will not automatically expand and contract, which intensifies the impact of the feed force on the grinding wheel and the mechanism, and damages both the cylinder and the rod, reducing the life of the cylinder and affecting the chamfering effect. Utility Model Content

[0004] The utility model aims to provide an air spring for the deficiencies in the prior art, so as to solve the problem that the existing traditional cylinder-driven swing device cannot buffer and compensate the spiral feeding force and bending of the rod.

[0005] In order to achieve the above object, the utility model provides an air spring, comprising:

[0006] A capsule body, wherein the capsule body has a cylindrical structure;

[0007] A buckle and a base, wherein the outer periphery of the base is connected to the inner periphery of one end of the capsule, and the inner periphery of the buckle is connected to the outer periphery of the one end of the capsule;

[0008] A locking sleeve and an air cap, wherein the outer periphery of the air cap is connected to the inner periphery of the other end of the sac, and the inner periphery of the locking sleeve is connected to the outer periphery of the other end of the sac;

[0009] The base and the air cap are arranged in parallel with each other.

[0010] Optionally, the capsule has a stepped tower-like structure.

[0011] Optionally, at least one positioning threaded hole is provided on the base.

[0012] Optionally, a connecting threaded hole is provided on the gas cap, and a connecting joint is provided in the connecting threaded hole.

[0013] Optionally, an inflatable core is axially arranged on the connecting joint, and one end of the connecting joint passes through the air cap and communicates with the interior of the bladder.

[0014] Optionally, the positioning threaded hole comprises a blind hole, the blind hole is arranged at an end of the base away from the gas cap, and a bolt cap is interference-connected in the blind hole.

[0015] Optionally, the connecting joint is columnar, with a first external thread and a second external thread or annular pattern respectively provided at both ends, the first external thread matches the connecting threaded hole, and the second external thread or the annular pattern is used to connect the inflation tube.

[0016] Optionally, a sealing ring is further included, a sealing section is provided between the first external thread and the second external thread, a light hole section is provided on the connecting threaded hole, the inner periphery of the sealing ring is connected to the outer periphery of the sealing section, and the outer periphery of the sealing ring is connected to the inner periphery of the light hole section.

[0017] Optionally, the bladder is a rubber fiber bellows.

[0018] The utility model also provides a chamfering machine, comprising:

[0019] The two air springs mentioned above, the base of the air spring is connected to the base of the chamfering machine, and the air cap or locking sleeve of the air spring is connected to the swing mechanism.

[0020] The utility model provides an air spring, which has the following beneficial effects:

[0021] The air spring forms an airbag structure by enclosing the bag body through the base and the air cap. The air spring formed by the airbag structure is used to replace the cylinder. A parallel gap is set between the base and the air cap, which can drive the vertical lifting and horizontal displacement at the same time and can also buffer and compensate. It can adapt to the displacement compensation when chamfering uneven edges and corners and the wear loss of the grinding wheel itself, and the compressed air source has low requirements and does not need to be filtered.

[0022] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The above and other objects, features and advantages of the present invention will become more apparent through a more detailed description of exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the present invention.

[0024] Figure 1 A schematic structural diagram of an air spring according to an embodiment of the utility model is shown.

[0025] Figure 2 The figure shows a schematic structural diagram of a grinding wheel mechanism of a chamfering machine according to an embodiment of the utility model.

[0026] Description of reference numerals:

[0027] 1. Bag body; 2. Buckle; 3. Base; 4. Locking sleeve; 5. Air cap; 6. Connecting joint; 7. Sealing ring; 8. Positioning threaded hole; 9. Swinging mechanism. DETAILED DESCRIPTION

[0028] The preferred embodiments of the present invention will be described in more detail below. Although the preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0029] like Figure 1 As shown, an air spring comprises:

[0030] The capsule 1 has a cylindrical structure;

[0031] The buckle 2 and the base 3, the outer periphery of the base 3 is connected to the inner periphery of one end of the capsule 1, and the inner periphery of the buckle 2 is connected to the outer periphery of one end of the capsule 1;

[0032] A locking sleeve 4 and an air cap 5, wherein the outer periphery of the air cap 5 is connected to the inner periphery of the other end of the bladder body 1, and the inner periphery of the locking sleeve 4 is connected to the outer periphery of the other end of the bladder body 1;

[0033] The base 3 and the air cap 5 are arranged in parallel with each other at an interval.

[0034] Specifically, the base 3 and the air cap 5 are used to close the bag body 1 to form an air bag structure, and the air bag structure is used to form an air spring to replace the cylinder. A parallel gap is set between the base 3 and the air cap 5, which can drive the vertical lifting and horizontal displacement at the same time and can also buffer and compensate, adapt to the displacement compensation when chamfering uneven edges and corners and the wear and tear of the grinding wheel itself, and the compressed air source has low requirements and does not need to be filtered.

[0035] Furthermore, the air spring has a simple overall structure, low mass, small occupied volume, long service life, is insensitive to gas quality, and once damaged, the overall replacement and maintenance efficiency is high.

[0036] Furthermore, the base 3 and the air cap 5 are made of PA66, which has excellent wear resistance, self-lubrication, and high mechanical strength. PA66 can maintain strong strength and rigidity at high temperatures. The locking sleeve 4 is made of PP material, which has good mechanical properties. Except for impact resistance, other mechanical properties are better than polyethylene, and the molding and processing performance is good. It has high heat resistance and the continuous use temperature can reach 110-120°C. It has good chemical properties, almost no water absorption, and does not react with most chemicals.

[0037] In this embodiment, the capsule 1 is in a stepped tower-like structure.

[0038] Specifically, the tower-like structure facilitates returning to the correct position after horizontal buffering.

[0039] In this embodiment, at least one positioning threaded hole 8 is provided on the base 3 .

[0040] Specifically, the air spring is fixed on a machine by connecting it to the base of the chamfering machine through the positioning threaded hole 8.

[0041] In this embodiment, a connecting threaded hole is provided on the gas cap 5 , and a connecting joint 6 is provided in the connecting threaded hole.

[0042] Specifically, the impurities accumulated inside the outlet sac 1 can be cleaned out by disassembling the connecting threaded hole and the connecting joint 6 .

[0043] In this embodiment, an inflatable core is axially arranged on the connecting joint 6 , and one end of the connecting joint 6 passes through the air cap 5 and communicates with the interior of the bladder 1 .

[0044] Specifically, the bag body 1 is inflated by connecting the connector 6 as an inflation nozzle to the air source.

[0045] In this embodiment, the positioning threaded hole 8 comprises a blind hole, which is arranged at an end of the base 3 away from the gas cap 5, and a bolt cap is interference-connected in the blind hole.

[0046] Specifically, a positioning threaded hole 8 is formed in the blind hole through interference connection of the bolt nut.

[0047] Furthermore, the bolt cap is made of 45 material, and bonding, welding and other techniques can be used for connection.

[0048] In this embodiment, the connecting joint 6 is columnar, and is provided with a first external thread and a second external thread or annular pattern at both ends, respectively. The first external thread matches the connecting threaded hole, and the second external thread or annular pattern is used to connect the inflation tube.

[0049] Specifically, the connecting joint 6 is detachably connected to the connecting threaded hole, and can be directly connected to the connecting threaded hole through the inflation tube for inflation when the connecting joint 6 is not in use, which is suitable for use with inflation joints of different models and specifications.

[0050] In this embodiment, a sealing ring 7 is also included, a sealing section is provided between the first external thread and the second external thread, a light hole section is provided on the connecting threaded hole, the inner periphery of the sealing ring 7 is connected to the outer periphery of the sealing section, and the outer periphery of the sealing ring 7 is connected to the inner periphery of the light hole section.

[0051] Specifically, the sealing ring 7 is used to prevent air leakage through the gap between the connecting joint 6 and the connecting threaded hole.

[0052] Furthermore, the directions of the first external thread and the second external thread are opposite, and the light hole section is provided with a hexagonal prism section, which is convenient for separate connection and use.

[0053] In this embodiment, the bladder 1 is a rubber fiber bellows.

[0054] Specifically, it is ensured that the capsule 1 has a certain rigidity and also has deformation elasticity.

[0055] like Figure 2 As shown, the utility model also provides a chamfering machine, comprising:

[0056] The two air springs, the base 3 of the air spring is connected to the base of the chamfering machine, and the air cap 5 or the locking sleeve 4 of the air spring is connected to the swing mechanism 9.

[0057] Specifically, the chamfering machine uses an air spring instead of a telescopic cylinder to support the swing mechanism 9, ensuring the lifting and lowering drive of the swing mechanism 9 while also being able to adaptively buffer the feeding force and bending of the bar material. While ensuring the drive, no additional buffer compensation structure is required.

[0058] When an air spring is used in this embodiment, taking the use of a chamfering machine as an example, the chamfering machine uses an air spring to replace the telescopic cylinder to support the grinding wheel mechanism. When in use, the inflation tube does not need to be installed with any filtering device, and general high-pressure air is sufficient. The flexible buffer of the air spring is used to generate a certain amount of floating during the working process, thereby avoiding the impact force and component force generated by the rod on the grinding wheel and the chamfering device, and the floating can compensate for the wear of the grinding wheel. When the rod has a certain degree of curvature, the floating of the air bag can alleviate the impact of the rod feed force and make the chamfer surface of the rod end face more uniform and smooth.

[0059] The various embodiments of the utility model have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims

1. An air spring, characterized in that: include: A capsule body, wherein the capsule body has a cylindrical structure; A buckle and a base, wherein the outer periphery of the base is connected to the inner periphery of one end of the capsule, and the inner periphery of the buckle is connected to the outer periphery of the one end of the capsule; A locking sleeve and an air cap, wherein the outer periphery of the air cap is connected to the inner periphery of the other end of the sac, and the inner periphery of the locking sleeve is connected to the outer periphery of the other end of the sac; The base and the air cap are arranged in parallel with each other.

2. The air spring according to claim 1, characterized in that: The capsule body is in a stepped tower structure.

3. The air spring according to claim 1, characterized in that: At least one positioning threaded hole is arranged on the base.

4. The air spring according to claim 3, characterized in that: The gas cap is provided with a connecting threaded hole, and a connecting joint is provided in the connecting threaded hole.

5. The air spring according to claim 4, characterized in that: The connecting joint is axially provided with an inflatable core, and one end of the connecting joint passes through the air cap and is communicated with the interior of the bladder.

6. The air spring according to claim 4, characterized in that: The positioning threaded hole comprises a blind hole, the blind hole is arranged at an end of the base away from the gas cap, and a bolt cap is interference-connected in the blind hole.

7. The air spring according to claim 5, characterized in that: The connecting joint is columnar, and is provided with a first external thread and a second external thread or annular pattern at both ends, respectively. The first external thread matches the connecting threaded hole, and the second external thread or the annular pattern is used to connect the inflation tube.

8. The air spring according to claim 7, characterized in that: It also includes a sealing ring, a sealing section is arranged between the first external thread and the second external thread, a light hole section is arranged on the connecting threaded hole, the inner periphery of the sealing ring is connected to the outer periphery of the sealing section, and the outer periphery of the sealing ring is connected to the inner periphery of the light hole section.

9. The air spring according to claim 1, characterized in that: The bladder is a rubber fiber bellows.

10. A chamfering machine, characterized in that: include: Two air springs according to any one of claims 1 to 9, wherein the base of the air spring is connected to the base of the chamfering machine, and the air cap or locking sleeve of the air spring is connected to the swing mechanism.

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