Spiral swing oil cylinder

Abstract

The utility model discloses a spiral swing oil cylinder, and particularly relates to the technical field of oil cylinders, the spiral swing oil cylinder comprises a cylinder body, the outer wall of the cylinder body is fixedly sleeved with a cooling assembly used for cooling the cylinder body, the cooling assembly comprises an annular plate, the annular plate is fixedly arranged on the cylinder body in a sleeved mode, an annular cavity is formed in the annular plate, cooling water is stored in the annular cavity, and the cooling water is used for cooling the cylinder body. Three annular partition plates are fixedly arranged in the annular cavity. Cold water is conveyed into the annular cavity through the cooling-water machine, the cold water absorbs heat generated by operation of the cylinder body after flowing in the annular cavity, then the cooling water flows into the cooling-water machine again from the five-way connector, circulation flowing of the cold water is completed, the cooling effect on the cylinder body is greatly improved, and the phenomenon that the temperature of hydraulic oil in the cylinder body is too high is avoided. The annular cavity is divided into four cooling cavities through the three annular partition plates, a sealing plate is installed in each cooling cavity, and the flowing uniformity of cooling water in the annular cavity is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil cylinders, in particular to a spiral swing oil cylinder. Background Art

[0002] The spiral swing cylinder converts the linear motion of the piston into the swing motion of the output shaft through the helical thread meshing form. Its remarkable feature is that it has extremely high efficiency. The longer the linear motion of the piston, the greater the rotational motion. It uses hydraulic pressure to gather very high torque in a very small space. The requirements for the oil used in the spiral swing cylinder hydraulic system are: appropriate viscosity, good viscosity-temperature characteristics, good lubrication performance, strong rust resistance, pure texture and no corrosive substances.

[0003] The existing spiral swing cylinder is generally fixedly installed on the outside of the machine. For example, a spiral swing cylinder with the prior art publication number CN213331760U is provided. The utility model sets a limit block inside the limit groove to prevent the cylinder body from moving up and down, and then uses bolts to fix the cylinder body above the operating table to improve the stability of the cylinder body when connected to the mechanical equipment.

[0004] However, the above-mentioned prior art still has the following problems when in use: due to the long-term operation of the spiral swing cylinder, the temperature of the internal hydraulic oil will increase, and the high temperature of the hydraulic oil will affect the viscosity and lubricity, thereby affecting the normal use of the spiral swing cylinder. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a spiral swinging oil cylinder, which transports cold water into the annular cavity through a chiller. After the cold water flows in the annular cavity, it absorbs the heat generated by the operation of the cylinder body, and then the cooling water flows back to the chiller from the five-way joint to complete the circulation of the cold water, thereby greatly improving the cooling effect on the cylinder body and avoiding excessively high temperature of the hydraulic oil in the cylinder body, which affects the normal use of the output end. The annular cavity is divided into four cooling cavities by three annular partitions, and a sealing plate is installed in each cooling cavity to improve the uniformity of the cooling water flow in the annular cavity, thereby solving the problems arising from the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spiral swing cylinder, comprising a cylinder body, a cooling assembly fixedly sleeved on the outer wall of the cylinder body for cooling the cylinder body, the cooling assembly comprising a ring plate, the ring plate fixed sleeve being arranged on the cylinder body, an annular cavity being opened inside the ring plate, cooling water being stored inside the annular cavity, three annular partitions being fixedly arranged inside the annular cavity for dividing the inside of the annular cavity into four cooling chambers, a sealing plate being fixedly arranged inside each cooling chamber, a support seat being provided at the bottom of the cylinder body, a chiller being fixedly arranged on the support seat, five-way joints being fixedly arranged on the outer walls on both sides of the ring plate, and the two five-way joints being respectively connected to the water outlet and the water inlet of the chiller through hoses.

[0007] In a preferred embodiment, an output terminal is installed at the front side of the cylinder body, an outlet is opened at the rear side of the cylinder body, a cylinder cover is fixed to the outlet by screws, and the cylinder cover can be removed to facilitate maintenance of the inside of the cylinder body.

[0008] In a preferred embodiment, a groove is provided at the front end of the support seat, the chiller is fixed in the groove, one end of the two hoses passes through the support seat, and the support seat can be used to protect the chiller.

[0009] In a preferred embodiment, a mounting groove is provided on the top of the support seat, the ring plate is arranged in the mounting groove, and two sliding blocks are fixedly provided at the bottom of the ring plate. Two sliding grooves are provided on the inner wall of the bottom of the mounting groove, and the two sliding blocks are respectively arranged in the two sliding grooves, thereby improving the stability between the ring plate and the support seat.

[0010] In a preferred embodiment, the two sliders and the two slide grooves are both configured to be L-shaped, thereby improving the firmness between the sliders and the slide grooves.

[0011] In a preferred embodiment, screws are threadedly connected to the front and rear sides of the support seat, and the support seat is fixed to the slider via the screws to fix the slider and the ring plate.

[0012] In a preferred embodiment, two mounting holes distributed front and back are provided on the top of both sides of the support seat to improve the firmness of the support seat during installation.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model delivers cold water to the annular cavity through a water chiller. After the cold water flows in the annular cavity, it absorbs the heat generated by the operation of the cylinder body. Then the cooling water flows back to the water chiller from the five-way joint to complete the circulation of the cold water, which greatly improves the cooling effect on the cylinder body and avoids the excessive temperature of the hydraulic oil in the cylinder body, which affects the normal use of the output end. The annular cavity is divided into four cooling cavities by three annular partitions, and a sealing plate is installed in each cooling cavity to improve the uniformity of the cooling water flowing in the annular cavity.

[0015] 2. By opening a mounting groove on the top of the support seat, aligning the two sliders at the bottom of the ring plate with the slide grooves and inserting them respectively, and using screws to fix the sliders to the support seat, the stability of the cylinder body and the ring plate during use is greatly improved. By loosening the screws, the cylinder body and the ring plate can be disassembled from the mounting groove. The structure is simple and the operation is very convenient. In addition, the two sliders and the two slide grooves are set to an inverted L shape to prevent the cylinder body and the ring plate from moving up and down. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a cross-sectional view of the ring plate of the utility model;

[0018] Figure 3 It is a side plan view of the overall structure of the utility model;

[0019] Figure 4 It is a cross-sectional view of the ring plate of the utility model;

[0020] Figure 5 It is a side sectional plan view of the ring plate of the utility model.

[0021] The reference numerals are: 1, cylinder body; 2, cooling assembly; 3, support seat; 4, five-way joint; 5, hose; 6, groove; 7, mounting groove; 8, slider; 9, slide groove; 10, screw; 11, mounting hole;

[0022] 101. output end; 102. cylinder head;

[0023] 201, ring plate; 202, annular cavity; 203, annular partition; 204, cooling cavity; 205, sealing plate; 206, chiller. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Refer to the instruction manual Figure 1-5 The utility model provides a spiral swing oil cylinder, comprising a cylinder body 1, wherein the outer wall of the cylinder body 1 is fixedly sleeved with a cooling assembly 2 for cooling the cylinder body 1, wherein the cooling assembly 2 comprises a ring plate 201, wherein the ring plate 201 is fixedly sleeved on the cylinder body 1, wherein an annular cavity 202 is provided inside the ring plate 201, wherein cooling water is stored inside the annular cavity 202, wherein three annular partitions 203 are fixedly provided inside the annular cavity 202 for dividing the inside of the annular cavity 202 into four cooling cavities 204, wherein each cooling cavities 204 is provided with a cooling water supply 206, wherein the cooling water supply 207 is provided with a cooling water supply 208, wherein the cooling water supply 209 is provided with a cooling water supply 209, wherein the cooling water supply 201 is provided with a cooling water supply 209, wherein the cooling water supply 208 is provided with a cooling water supply 209, wherein the cooling water supply 209 is provided with a cooling water supply 208, wherein the cooling water supply 209 is provided with a cooling water supply 209 ... A sealing plate 205 is fixedly provided inside the cooling chamber 204, a support base 3 is provided at the bottom of the cylinder body 1, and a chiller 206 is fixedly provided on the support base 3. Specifically, the chiller 206 is a water cooling device. A certain amount of water is injected into the water tank of the chiller 206 in advance, and the water is cooled by the refrigeration system of the chiller 206. Then, the low-temperature cooling water is sent into the cooling chamber 20 by a water pump. The cooling water of the chiller 206 takes away the heat, and then the temperature rises and flows back to the water tank of the chiller 206 to achieve the cooling effect.

[0026] In addition, five-way joints 4 are fixedly provided on the outer walls on both sides of the ring plate 201. The two five-way joints 4 are respectively connected to the water outlet and the water inlet of the chiller 206 through hoses 5. An output end 101 is installed on the front side of the cylinder body 1, and an outlet is opened on the rear side of the cylinder body 1. A cylinder cover 102 is fixed at the outlet by screws. The cylinder cover 102 is removed for easy inspection of the interior of the cylinder body 1.

[0027] Cold water is transported to the annular cavity 202 through the chiller 206. After flowing in the annular cavity 202, the cold water absorbs the heat generated by the operation of the cylinder body 1. Then the cooling water flows back to the chiller 206 from the five-way joint 4 to complete the circulation of the cold water, which greatly improves the cooling effect on the cylinder body 1 and avoids the hydraulic oil temperature in the cylinder body 1 being too high, which affects the normal use of the output end 101. The annular cavity 202 is divided into four cooling cavities 204 by three annular partitions 203, and a sealing plate 205 is installed in each cooling cavity 204 to improve the uniformity of the cooling water flowing in the cooling cavity 204.

[0028] Refer to the instruction manual Figure 1-5The utility model provides a spiral swing cylinder, the front end of the support seat 3 is provided with a groove 6, the chiller 206 is fixed in the groove 6, one end of the two hoses 5 passes through the support seat 3, and the support seat 3 can be used to protect the chiller 206. The top of the support seat 3 is provided with a mounting groove 7, the ring plate 201 is arranged in the mounting groove 7, and two sliders 8 are fixedly provided at the bottom of the ring plate 201. The inner wall of the bottom of the mounting groove 7 is provided with two slide grooves 9, and the two sliders 8 are respectively arranged in the two slide grooves 9, so as to improve the stability between the ring plate 201 and the support seat 3;

[0029] In addition, the two sliders 8 and the two slide grooves 9 are both arranged in an L shape to improve the firmness between the slider 8 and the slide groove 9. The front and rear sides of the support seat 3 are both threadedly connected with screws 10. The support seat 3 is fixed to the slider 8 by the screws 10 to fix the slider 8 and the ring plate 201. Two front and rear distributed mounting holes 11 are provided on the top of both sides of the support seat 3 to improve the firmness of the support seat 3 during installation.

[0030] By opening a mounting groove 7 at the top of the support seat 3, aligning the two sliders 8 at the bottom of the ring plate 201 with the slide grooves 9 and inserting them respectively, and using screws 10 to fix the sliders 8 and the support seat 3 together, the stability of the cylinder body 1 and the ring plate 201 during use is greatly improved. By loosening the screws 10, the cylinder body 1 and the ring plate 201 can be disassembled from the mounting groove 7. The structure is simple and the operation is very convenient. In addition, the two sliders 8 and the two slide grooves 9 are set to an inverted L shape, which can prevent the cylinder body 1 and the ring plate 201 from moving up and down.

[0031] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A spiral swing cylinder, comprising a cylinder body (1), characterized in that: The outer wall of the cylinder body (1) is fixedly sleeved with a cooling assembly (2) for cooling the cylinder body (1); The cooling assembly (2) comprises a ring plate (201), the ring plate (201) being fixedly sleeved on the cylinder body (1), an annular cavity (202) being provided inside the ring plate (201), cooling water being stored inside the annular cavity (202), three annular partitions (203) being fixedly provided inside the annular cavity (202) for dividing the inside of the annular cavity (202) into four cooling cavities (204), and a sealing plate (205) being fixedly provided inside each cooling cavity (204); A support seat (3) is provided at the bottom of the cylinder body (1), a water chiller (206) is fixedly provided on the support seat (3), and five-way joints (4) are fixedly provided on the outer walls on both sides of the ring plate (201), and the two five-way joints (4) are respectively connected to the water outlet and the water inlet of the water chiller (206) through hoses (5).

2. A spiral swing cylinder according to claim 1, characterized in that: An output end (101) is installed on the front side of the cylinder body (1), and an outlet is opened on the rear side of the cylinder body (1), and a cylinder cover (102) is fixed to the outlet by screws.

3. The spiral swing cylinder according to claim 1, characterized in that: The front end of the support seat (3) is provided with a groove (6), the water chiller (206) is fixed in the groove (6), and one end of the two hoses (5) passes through the support seat (3).

4. The spiral swing cylinder according to claim 1, characterized in that: The support seat (3) has a mounting groove (7) on its top, the ring plate (201) is arranged in the mounting groove (7), and two sliding blocks (8) are fixedly arranged at the bottom of the ring plate (201), and two sliding grooves (9) are arranged on the inner wall of the bottom of the mounting groove (7), and the two sliding blocks (8) are respectively arranged in the two sliding grooves (9).

5. The spiral swing cylinder according to claim 4, characterized in that: The two sliders (8) and the two slide grooves (9) are both arranged in an L shape, thereby improving the firmness between the sliders (8) and the slide grooves (9).

6. The spiral swing cylinder according to claim 4, characterized in that: The support seat (3) is threadedly connected with screws (10) on both the front and rear sides. The support seat (3) is fixed to the slider (8) via the screws (10) and is used to fix the slider (8) and the ring plate (201).

7. The spiral swing cylinder according to claim 1, characterized in that: The tops of both sides of the support seat (3) are provided with two mounting holes (11) distributed front and back, for improving the firmness of the support seat (3) during installation.

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