Grinding equipment for outer surface of hydraulic cylinder barrel

Abstract

The utility model discloses polishing equipment for the outer surface of a hydraulic cylinder barrel. The two clamping seats are arranged on the machine base; the clamping power source is arranged on the clamping seat; the clamping heads are connected with a clamping power source, and the two clamping heads are oppositely arranged; the first cooling pipeline is connected to one clamping head; the second cooling pipeline is connected to the other clamping head; and the polishing assembly is used for polishing the hydraulic cylinder barrel. In the grinding process, cooling liquid enters the hydraulic cylinder barrel from the first cooling pipeline through the clamping head, and heat at the grinding position is absorbed. The cooling loop is formed in the hydraulic cylinder barrel, the grinding position is better cooled, the cooling efficiency is high, a cooling medium cannot be polluted, and the cooling cost can be better saved.

Description

Technical Field

[0001] This utility model relates to the field of grinding technology, specifically a grinding device for the outer surface of a hydraulic cylinder. Background Technology

[0002] Hydraulic cylinder grinding refers to the finishing process performed on the inner and outer surfaces of a hydraulic cylinder to improve its surface quality, reduce roughness, correct shape errors, enhance fit quality, reduce wear, and extend service life. Grinding typically employs specialized machinery and tools.

[0003] When grinding the outer surface of a hydraulic cylinder, the main purpose is to improve surface quality, reduce roughness, and correct shape errors. Conventional hydraulic cylinder grinding equipment typically sprays coolant onto the grinding area to prevent excessive temperature rise. However, due to the large contact area between the abrasive belt and the hydraulic cylinder, the coolant cannot effectively penetrate the grinding area during grinding, resulting in a significant temperature rise and affecting the surface quality and shape errors of the hydraulic cylinder. Furthermore, this cooling method can contaminate the coolant. Utility Model Content

[0004] The technical problem to be solved by this utility model is: to provide a grinding device for the outer surface of a hydraulic cylinder to solve the problem of large temperature rise at the grinding point, which affects the surface quality and shape error of the hydraulic cylinder.

[0005] The technical solution adopted by this utility model to solve the technical problem is: a grinding device for the outer surface of a hydraulic cylinder, comprising: a base; two clamping seats disposed on the base; a clamping power source disposed on the clamping seats; a clamping head connected to the clamping power source, the two clamping heads being disposed opposite to each other; a first cooling pipe connected to one clamping head; a second cooling pipe connected to the other clamping head; and a grinding assembly for grinding the hydraulic cylinder.

[0006] The beneficial effects of this invention are as follows: Two clamping heads are arranged opposite each other. During the grinding process, the clamping power source drives the two clamping heads to move closer together, thereby forming a stable clamp on the hydraulic cylinder located between the two clamping heads. After the hydraulic cylinder is stably clamped, the grinding assembly begins to grind the outer surface of the hydraulic cylinder. During the grinding process, coolant enters the hydraulic cylinder from the first cooling pipe through the clamping heads, absorbing the heat at the grinding point. Because the hydraulic cylinder is made of carbon steel or alloy steel and is relatively thin, the heat at the grinding point is easily transferred from the grinding point to the interior of the hydraulic cylinder and absorbed by the cooling medium. After absorbing the heat, the cooling medium flows from the hydraulic cylinder to the other clamping head and out through the second cooling pipe, completing the grinding of the outer surface of the hydraulic cylinder. By forming a cooling circuit inside the hydraulic cylinder, the grinding point is better cooled. Furthermore, by forming a cooling circuit inside the hydraulic cylinder, the cooling efficiency is high, the cooling medium is not contaminated, and cooling costs are saved.

[0007] Preferably, it further includes: a rotary power source, which is mounted on the clamping seat; a turntable, which is connected to the rotary power source, and the clamping power source is connected to the turntable.

[0008] Preferably, the clamping head includes: an outer sleeve connected to a clamping power source; an extension member disposed inside the outer sleeve; and a cooling through hole disposed in the extension member, the cooling through hole being connected to a first cooling pipe or a second cooling pipe.

[0009] Preferably, the clamping head further includes: a first seal, which is disposed on the side of the outer sleeve facing the insert; and a second seal, which is disposed on the side of the insert facing the outer sleeve.

[0010] Preferably, the grinding assembly includes: a grinding base mounted on a machine base; a drive wheel rotatably mounted on the machine base; a driven wheel rotatably mounted on the machine base; a sanding belt rotatably connecting the drive wheel and the driven wheel; a grinding table arranged adjacent to the sanding belt on the grinding base; and a grinding power source connected to the drive wheel.

[0011] Preferably, the polishing assembly further includes:

[0012] The tensioner pulley abuts against the abrasive belt;

[0013] The elastic element has one end in contact with the tensioning wheel and the other end connected to the grinding base.

[0014] Preferably, the polishing assembly further includes:

[0015] Tensioner seat, tensioner wheel is set in tensioner seat, one end of elastic element is connected to tensioner seat, the other end of elastic element is connected to grinding seat;

[0016] Guide component, the guide component is set on the tensioning seat;

[0017] The guide cylinder is set on the grinding base and has a guide groove adapted to the guide component.

[0018] Preferably, the clamping power source is provided with an output end. Attached Figure Description

[0019] Figure 1 A three-dimensional structural diagram of a grinding device for the outer surface of a hydraulic cylinder barrel, viewed from one perspective.

[0020] Figure 2 A three-dimensional structural diagram of a grinding device for the outer surface of a hydraulic cylinder barrel, viewed from another perspective.

[0021] Figure 3 for Figure 2 A magnified view of a section at point A in the middle;

[0022] Figure 4 This is a cross-sectional view of the clamping power source and clamping head structure;

[0023] Figure 5 for Figure 4 A magnified view of a section at point B in the middle.

[0024] In the diagram: 1. Base; 2. Grinding belt; 3. Driven wheel; 4. Tensioner wheel; 5. First cooling pipe; 6. Grinding table; 7. Grinding seat; 8. Clamping head; 81. Insertion part; 82. Outer sleeve; 83. Cooling through hole; 84. Second seal; 85. First seal; 9. Clamping power source; 91. Output end; 10. Second cooling pipe; 11. Clamping seat; 12. Rotation power source; 13. Grinding power source; 14. Drive wheel; 15. Tensioner seat; 16. Elastic element; 17. Turntable. Detailed Implementation

[0025] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0026] In this document, terms such as "upper," "lower," "inner," and "outer" are established based on the positional relationships shown in the accompanying drawings. Depending on the drawings, the corresponding positional relationships may also change. Therefore, they should not be interpreted as an absolute limitation on the scope of protection. Moreover, relational terms such as "first" and "second" are only used to distinguish one component from another that has the same name, and do not necessarily require or imply any such actual relationship or order between these components.

[0027] Example

[0028] like Figure 1-5As shown, a grinding device for the outer surface of a hydraulic cylinder includes: a base 1; two clamping seats 11 disposed on the base 1; a clamping power source 9 disposed on the clamping seats 11; a clamping head 8 connected to the clamping power source 9, the two clamping heads 8 being arranged opposite to each other; a first cooling pipe 5 connected to one clamping head 8; a second cooling pipe 10 connected to the other clamping head 8; and a grinding assembly for grinding the hydraulic cylinder.

[0029] Specifically, two clamping heads 8 are positioned opposite each other. During the grinding process, the clamping power source 9 drives the two clamping heads 8 to move closer together, thereby forming a stable clamp on the hydraulic cylinder located between the two clamping heads 8. After the hydraulic cylinder is stably clamped, the grinding assembly begins to grind the outer surface of the hydraulic cylinder. During the grinding process, coolant enters the hydraulic cylinder from the first cooling pipe 5 through the clamping heads 8 to absorb the heat at the grinding point. Since the hydraulic cylinder is made of carbon steel or alloy steel and is relatively thin, the heat at the grinding point is easily transferred from the grinding point to the interior of the hydraulic cylinder and absorbed by the cooling medium. After absorbing the heat, the cooling medium flows from the hydraulic cylinder to the other clamping head 8 and out through the second cooling pipe 10, completing the grinding of the outer surface of the hydraulic cylinder. By forming a cooling circuit inside the hydraulic cylinder, the grinding point is better cooled. Furthermore, by forming a cooling circuit inside the hydraulic cylinder, the cooling efficiency is high, the cooling medium is not contaminated, and cooling costs are saved.

[0030] The applicant needs to emphasize that the cooling structure connecting the first cooling pipe 5 and the second cooling pipe 10, that is, the structure forming the cooling medium circuit, is considered mature prior art. It includes at least a cooling medium source and a power source, and its specific structure will not be described in detail here. Cooling oil is preferred as the cooling medium.

[0031] Furthermore, it also includes: a rotary power source 12, which is mounted on the clamping base 11; a turntable 17, which is connected to the rotary power source 12, and the clamping power source 9 is connected to the turntable 17. The rotary power source 12 is connected to the clamping base 11, and the rotary power source 12 is connected to the turntable 17. The turntable 17 is connected to the clamping power source 9, thereby indirectly mounting the clamping power source 9 onto the clamping base 11. The rotary power source 12 drives the turntable 17 to rotate, thereby driving the clamping power source 9 to rotate, which in turn drives the clamping head 8 to rotate, and then drives the hydraulic cylinder to rotate. During the grinding process, the hydraulic cylinder rotates, realizing automated grinding of the outer surface of the hydraulic cylinder and improving grinding efficiency. The rotary power source 12 is preferably an electric motor.

[0032] Furthermore, the clamping head 8 includes: an outer sleeve 82 connected to a clamping power source 9; an extension member 81 disposed within the outer sleeve 82; and a cooling through hole 83 disposed within the extension member 81, connecting to either a first cooling pipe 5 or a second cooling pipe 10. The inner diameter of the outer sleeve 82 is equal to the outer diameter of the hydraulic cylinder, which extends into the outer sleeve 82. The outer diameter of the extension member 81 is equal to the inner diameter of the hydraulic cylinder, which extends into the interior of the hydraulic cylinder. The outer sleeve 82 and the extension member 81 provide double fixation for the hydraulic cylinder, ensuring stable clamping of the hydraulic cylinder by the clamping head 8. Cooling medium enters the hydraulic cylinder through the cooling through hole 83 or exits from the hydraulic cylinder through the cooling through hole 83.

[0033] Furthermore, the clamping head 8 also includes: a first seal 85 disposed on the side of the outer sleeve 82 facing the insert 81; and a second seal 84 disposed on the side of the insert 81 facing the outer sleeve 82. Both the first seal 85 and the second seal 84 are O-rings. By providing the first seal 85 and the second seal 84, leakage of the cooling medium can be effectively prevented, and the connection force between the outer sleeve 82 and the insert 81 and the hydraulic cylinder can be enhanced.

[0034] Furthermore, the grinding assembly includes: a grinding base 7, mounted on the machine base 1; a drive wheel 14, rotatably mounted on the machine base 1; a driven wheel 3, rotatably mounted on the machine base 1; a grinding belt 2, rotatably connecting the drive wheel 14 and the driven wheel 3; a grinding table 6, arranged adjacent to the grinding belt 2 on the grinding base 7; and a grinding power source 13, connected to the drive wheel 14. The grinding belt 2 at least partially contacts the outer surface of the hydraulic cylinder barrel. The grinding power source 13 drives the drive wheel 14 to rotate, thereby causing the grinding belt 2 to rotate. The driven wheel 3 is used to initially tension the grinding belt 2, so that the grinding belt 2 better engages with the drive wheel 14 and better grinds the outer surface of the hydraulic cylinder barrel. The preferred power source for grinding 13 is an electric motor. The grinding table 6 is used to temporarily place the hydraulic cylinder. The arrangement of the grinding table 6 near the abrasive belt 2 on the grinding seat 7 means that when the hydraulic cylinder is placed on the grinding table 6, the outer surface of the hydraulic cylinder is at least partially in contact with the abrasive belt 2.

[0035] Furthermore, the grinding assembly also includes: a tensioning wheel 4, which abuts against the abrasive belt 2; and an elastic element 16, one end of which contacts the tensioning wheel 4, and the other end of which is connected to the grinding base 7. The elastic element 16 drives the tensioning wheel 4 to tension the abrasive belt 2. The abrasive belt 2 has an outer grinding surface that contacts the hydraulic cylinder and an inner transmission surface opposite to the outer grinding surface. The tensioning wheel 4 abuts against the inner transmission surface of the abrasive belt 2. The elastic element 16 is preferably a spring.

[0036] Furthermore, the grinding assembly also includes: a tensioning seat 15, a tensioning wheel 4 disposed on the tensioning seat 15, one end of an elastic element 16 connected to the tensioning seat 15, and the other end of the elastic element 16 connected to the grinding base 7; a guide element disposed on the tensioning seat 15; and a guide cylinder disposed on the grinding base 7, and having a guide groove adapted to the guide element. To better tension the abrasive belt 2 with the tensioning wheel 4, the tensioning seat 15, the guide element, and the guide cylinder are specifically provided to limit the movement direction of the tensioning wheel 4, allowing the tensioning wheel 4 to better tension the abrasive belt 2 under the action of the elastic element 16. The guide element is at least partially located within the guide groove.

[0037] Furthermore, the clamping power source 9 is provided with an output end 91. The clamping power source 9 is preferably a cylinder, and the output end 91 is movably provided inside it. The clamping power source 9 is connected to the clamping head 8 through the output end 91.

[0038] The technical features described above can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

Claims

1. A polishing apparatus for the outer surface of a hydraulic cylinder tube, characterized by, The utility model relates to a hydraulic cylinder polishing device, including: Machine base (1); Two clamping seats (11), two clamping seats (11) are arranged in machine base (1); Clamping power source (9), clamping power source (9) is arranged in clamping seat (11); Clamping head (8), clamping head (8) is connected clamping power source (9), and two clamping heads (8) are oppositely arranged; First cooling pipeline (5), first cooling pipeline (5) is connected one clamping head (8); Second cooling pipeline (10), second cooling pipeline (10) is connected another clamping head (8); Polishing assembly, polishing assembly is used to polish hydraulic cylinder barrel.

2. The polishing apparatus for the outer surface of a hydraulic cylinder tube according to claim 1, characterized by Also including: Rotary power source (12), rotary power source (12) is installed in clamping seat (11); Rotary table (17), rotary table (17) is connected rotary power source (12), and clamping power source (9) is connected rotary table (17).

3. The polishing apparatus for the outer surface of a hydraulic cylinder tube according to claim 2, characterized by Clamping head (8) includes: Outer sleeve (82), outer sleeve (82) is connected clamping power source (9); Extension piece (81), extension piece (81) is arranged in outer sleeve (82); Cooling through hole (83), cooling through hole (83) is arranged in extension piece (81), and cooling through hole (83) is communicated first cooling pipeline (5) or second cooling pipeline (10).

4. The polishing apparatus for the outer surface of a hydraulic cylinder tube according to claim 3, characterized by Clamping head (8) also includes: First sealing element (85), first sealing element (85) is arranged in the side of outer sleeve (82) towards extension piece (81); Second sealing element (84), second sealing element (84) is arranged in the side of extension piece (81) towards outer sleeve (82).

5. The polishing apparatus for the outer surface of a hydraulic cylinder tube according to claim 1, wherein Polishing assembly includes: Polishing seat (7), polishing seat (7) is installed in machine base (1); Driving wheel (14), driving wheel (14) is rotatably installed in machine base (1); Driven wheel (3), driven wheel (3) is rotatably installed in machine base (1); Abrasive belt (2), abrasive belt (2) is rotationally connected driving wheel (14) and driven wheel (3); Polishing table (6), polishing table (6) is arranged in polishing seat (7) near abrasive belt (2); Polishing power source (13), polishing power source (13) is connected driving wheel (14).

6. The polishing apparatus for the outer surface of a hydraulic cylinder tube according to claim 5, wherein Polishing assembly also includes: Tensioning wheel (4), tensioning wheel (4) abuts abrasive belt (2); Elastic element (16), one end of elastic element (16) contacts tensioning wheel (4), and the other end of elastic element (16) is connected polishing seat (7).

7. The polishing apparatus for the outer surface of a hydraulic cylinder tube according to claim 6, characterized by Polishing assembly also includes: Tensioning seat (15), tensioning wheel (4) is arranged in tensioning seat (15), one end of elastic element (16) is connected tensioning seat (15), and the other end of elastic element (16) is connected polishing seat (7); Guide element, guide element is arranged in tensioning seat (15); Guide cylinder, guide cylinder is arranged in polishing seat (7), and is provided with guide groove that is adapted guide element.

8. The polishing apparatus for the outer surface of a hydraulic cylinder tube according to claim 1, characterized by The clamping power source (9) is provided with an output end (91).

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