Balancing oil cylinder device with deviation rectifying function

Abstract

The utility model belongs to the technical field of machining, and particularly relates to a balance oil cylinder device with a deviation rectifying function, which comprises an oil cylinder provided with a piston rod. The balance oil cylinder device with the deviation rectifying function further comprises a support. The pull rod is in threaded connection with the bracket, one end of the pull rod extends out of the bracket as a connecting end, and the connecting end is fixedly connected with a piston rod of the oil cylinder; and the base is hinged with the tail part of the oil cylinder. Under the condition that the oil cylinder is applied to a Z-axis motor of a machine tool, after the oil cylinder is filled with oil, even if the two parts move relatively and the direction parallelism of the piston rod of the oil cylinder is poor, the piston rod of the oil cylinder can still slightly rotate around the axis of the oil cylinder due to the fact that the end of the piston rod of the oil cylinder is axially limited, and the tail of the oil cylinder is hinged to the base. And therefore, the relative movement of the two parts cannot be influenced.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical processing, and in particular relates to a balancing oil cylinder device with a deviation correction function. Background Art

[0002] Due to gravity, the Z-axis motor of the machine tool will usually have an eccentric load when it moves up and down. Therefore, the load of the Z-axis motor is reduced by adding a balancing cylinder to offset the gravity. When installing the balancing cylinder, it is usually necessary to pay attention to the parallelism of the balancing cylinder and the Z-axis during the assembly process, which makes the assembly of the balancing cylinder time-consuming and laborious. Utility Model Content

[0003] The utility model aims to provide a balancing oil cylinder device with a deviation correction function, aiming at the technical problem that the assembly is time-consuming and labor-intensive when the balancing oil cylinder is used to solve the problem of the Z-axis motor eccentric load of a machine tool.

[0004] In order to solve the above technical problems, the utility model provides a balancing oil cylinder device with a deviation correction function, the balancing oil cylinder device with a deviation correction function comprises an oil cylinder, and the oil cylinder has a piston rod;

[0005] The balancing cylinder device with deviation correction function also includes:

[0006] Bracket;

[0007] A pull rod, the pull rod being threadedly connected to the bracket, one end of the pull rod extending out of the bracket as a connecting end, and the connecting end being fixedly connected to the piston rod of the oil cylinder;

[0008] A base is hingedly connected to the tail of the oil cylinder.

[0009] Optionally, in the above-mentioned balancing cylinder device with deviation correction function, the connecting end of the pull rod adopts a semi-ring-like body;

[0010] The balancing cylinder device with deviation correction function also includes:

[0011] A fixed block, wherein the fixed block adopts another type of semi-ring body matched with the connecting end, and the fixed block and the connecting end are connected to form an annular cavity, and the piston rod of the oil cylinder is restricted in the annular cavity.

[0012] Optionally, in the aforementioned balancing cylinder device with a deviation correction function, the fixing block and the connecting end are detachably connected by a locking screw.

[0013] Optionally, in the above-mentioned balancing oil cylinder device with deviation correction function, a circle of locking grooves is provided at the end of the piston rod of the oil cylinder along the circumferential direction;

[0014] A half-circle locking half-ring is provided on the inner wall of the connecting end of the pull rod, and the locking half-ring is located in the locking groove;

[0015] The fixing block is at least partially located in the locking groove.

[0016] Optionally, in the aforementioned balancing cylinder device with deviation correction function, the pull rod is coaxially arranged with the piston rod of the cylinder.

[0017] Optionally, in the above-mentioned balancing cylinder device with deviation correction function, a hinge groove is provided on the base;

[0018] The tail of the oil cylinder is provided with an articulated joint, the articulated joint is provided with an articulated through hole, the articulated joint is inserted into the articulated groove and is articulated and connected through a fixing pin.

[0019] Optionally, in the aforementioned balancing oil cylinder device with a deviation correction function, both ends of the fixing pin extend out of the base, and one end of the fixing pin is provided with a limiting groove along the circumferential direction;

[0020] The balancing cylinder device with deviation correction function also includes:

[0021] A baffle is fixed on the base, and a portion of the baffle is inserted into the limiting groove.

[0022] Optionally, in the balancing cylinder device with a deviation correction function as described above, the baffle is fixed to the base by a limit screw.

[0023] Optionally, in the aforementioned balancing cylinder device with a deviation correction function, the axial direction of the fixing pin is perpendicular to the axial direction of the piston rod of the cylinder.

[0024] Optionally, in the aforementioned balancing cylinder device with a deviation correction function, a plurality of first fixing screws are provided on the bracket, and the bracket is connected to the external component through the first fixing screws.

[0025] Optionally, in the aforementioned balancing oil cylinder device with a deviation correction function, a plurality of second fixing screws are provided on the base, and the base is connected to the external component via the second fixing screws.

[0026] Optionally, in the aforementioned balancing cylinder device with deviation correction function, a positioning groove is provided on the surface of the base;

[0027] The balancing cylinder device with deviation correction function also includes:

[0028] A flat key is inserted into the positioning groove.

[0029] The positive and progressive effects of the utility model are:

[0030] 1. When the utility model is applied to the Z-axis motor of a machine tool, after the oil is passed through the cylinder, even if the relative movement of the two components and the parallelism of the cylinder piston rod are poor, since the piston rod end of the cylinder of the utility model is axially restricted, it can still rotate slightly around its axis, and the tail of the cylinder is hingedly connected to the base, so that it can self-correct by rotation, and thus will not affect the relative movement of the two components.

[0031] 2. The tail of the oil cylinder of the utility model is connected together by an articulated joint and a fixed pin, and can not only rotate around the fixed pin, but also swing to a certain angle through the articulated joint. During the movement of the parts, it can self-correct without affecting the thrust of the oil cylinder.

[0032] 3. When the utility model is applied to the Z-axis motor of a machine tool, it is not necessary to check the parallelism between the oil cylinder and the Z-axis when installing the utility model, which simplifies the assembly process and reduces the difficulty of assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The disclosure of the present invention will become more apparent with reference to the accompanying drawings. It should be understood that these drawings are only for illustrative purposes and are not intended to limit the scope of protection of the present invention. In the drawings:

[0034] Figure 1 A structural schematic diagram of the utility model;

[0035] Figure 2 for Figure 1 Side view of

[0036] Figure 3 for Figure 1 Schematic diagram from another angle;

[0037] Figure 4 for Figure 3 A partial enlarged view of the

[0038] Figure 5 for Figure 4 A partial cross-sectional view of

[0039] Figure 6 This is a structural schematic diagram of the tail of the oil cylinder of the utility model;

[0040] Figure 7 for Figure 3 Another partial enlarged view in;

[0041] Figure 8 for Figure 7 A partial cross-sectional view of

[0042] Fig. 9 This is an application diagram of the utility model. DETAILED DESCRIPTION

[0043] The following is an explanation of the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0044] It should be noted that the following embodiments and features therein may be combined with each other if there is no conflict.

[0045] In the description of the present invention, it should be noted that directional words such as the terms "outside", "middle", "inside", "outside", etc., which indicate directions and positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and cannot be understood as limiting the specific protection scope of the present invention.

[0046] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0047] Reference Figures 1 to 3 The utility model provides a balancing oil cylinder device with a deviation correction function. The balancing oil cylinder device with a deviation correction function comprises an oil cylinder 1, a bracket 2, a pull rod 3 and a base 4.

[0048] The oil cylinder 1 is an oil cylinder 1 in the prior art and has a piston rod 11 .

[0049] The pull rod 3 is threadedly connected to the bracket 2 , and one end of the pull rod 3 extends out of the bracket 2 as a connecting end, which is fixedly connected to the piston rod 11 of the oil cylinder 1 , so that the oil cylinder 1 can rotate slightly relative to the bracket 2 .

[0050] The base 4 is hingedly connected to the rear of the oil cylinder 1. The hinged connection between the two enables the oil cylinder 1 to not only rotate but also swing left and right at a certain angle.

[0051] When the utility model is applied to the Z-axis motor of a machine tool, it can be fixed on two external components through the bracket 2 and the base 4 respectively. High-pressure oil flows through the cylinder, and the thrust of the cylinder is used to offset the gravity of the other component to achieve load balance. Even if the relative movement of the two components and the parallelism of the cylinder piston rod are poor, self-correction can be achieved through the movable structure at the end of the piston rod and the hinged structure at the tail of the cylinder, and the relative movement of the two components will not be affected.

[0052] In some embodiments, reference Figure 4 and Figure 5 The fixed connection between the pull rod 3 and the piston rod 11 of the oil cylinder 1 is designed as follows:

[0053] The connecting end 31 of the pull rod 3 is in the shape of a semi-ring.

[0054] The balancing cylinder 1 with deviation correction function also includes a fixing block 5, which is another type of semi-ring body that cooperates with the connecting end 31 of the pull rod 3. The fixing block 5 and the connecting end 31 are connected to form an annular cavity, and the piston rod 11 of the cylinder 1 is confined in the annular cavity.

[0055] Of course, the fixed connection between the pull rod 3 and the piston rod 11 of the oil cylinder 1 may also adopt other methods of fixed connection between two axes in the prior art.

[0056] In some embodiments, the fixing block 5 and the connecting end 31 are detachably connected by a locking screw.

[0057] In some embodiments, reference Figure 5 The end of the piston rod 11 of the oil cylinder 1 is provided with a circle of locking grooves 12 along the circumferential direction. The inner wall of the end of the connecting end 31 of the pull rod 3 is provided with a half circle of locking half ring 32, and the locking half ring 32 is located in the locking groove 12. The fixing block 5 is at least partially located in the locking groove 12. With the above design, the piston rod 11 can be better restricted between the fixing block 5 and the connecting end 31 in the axial direction.

[0058] In some embodiments, the connecting end 31 of the pull rod 3 and the locking half ring 32 are made integrally.

[0059] In some embodiments, the pull rod 3 is coaxially arranged with the piston rod 11 of the oil cylinder 1 .

[0060] In some embodiments, reference Figures 6 to 8 The hinged connection between the tail of the oil cylinder 1 and the base 4 is designed as follows:

[0061] An articulation groove 41 is provided on the base 4 , an articulation joint 13 is provided at the tail of the oil cylinder 1 , an articulation through hole 14 is provided on the articulation joint 13 , and the articulation joint 13 is inserted into the articulation groove 41 and is articulated and connected via a fixing pin 6 .

[0062] Specifically, a base through hole for inserting the fixing pin 6 is provided on the base 4, and the base through hole is connected to the hinge groove 41. After the hinge joint 13 is inserted into the hinge groove 41, the fixing pin 6 is inserted from one end of the base through hole and passes through the hinge through hole 14 and then comes out from the other end of the base through hole, thereby forming a hinged connection structure between the base 4 and the tail of the cylinder 1.

[0063] Of course, the hinged connection between the tail of the oil cylinder 1 and the base 4 may also adopt other hinged connection methods in the prior art.

[0064] In some embodiments, reference Figure 7 and Figure 8 Both ends of the fixing pin 6 extend out of the base 4 , and one end of the fixing pin 6 is provided with a limiting groove 61 along the circumferential direction, and the limiting groove 61 is located outside the base 4 .

[0065] The balancing oil cylinder 1 device with deviation correction function further includes a baffle 7 , which is fixed on the base 4 , and a portion of the baffle 7 is inserted into the limiting groove 61 .

[0066] In some embodiments, the baffle 7 is fixed to the base 4 by means of limit screws.

[0067] In some embodiments, the axial direction of the fixing pin 6 is perpendicular to the axial direction of the piston rod 11 of the oil cylinder 1 .

[0068] In some embodiments, reference Figure 1 and Figure 2 A plurality of first fixing screws 21 are provided on the bracket 2, and the bracket 2 is connected to the external component through the first fixing screws 21.

[0069] In some embodiments, reference Figures 1 to 3 , Figure 7 A plurality of second fixing screws 42 are provided on the base 4 , and the base 4 is connected to another external component through the second fixing screws 42 .

[0070] In some embodiments, a positioning groove is provided on the surface of the base 4 .

[0071] The balancing oil cylinder 1 with deviation correction function also includes a flat key 8, which is inserted into the positioning groove. The flat key 8 is used for positioning the base 4 and another external component.

[0072] In some embodiments, reference Fig. 9 The bracket 2 is connected to an external component, the base 4 is connected to another external component, and the bracket 2 and the base 4 are connected by the cylinder 1. Even if the relative movement of the two external components and the parallelism of the cylinder piston rod are poor, they can be self-corrected through the movable structure at the end of the piston rod, the hinged connection structure and the rotation around the fixed pin, and will not affect the relative movement of the two components.

[0073] The utility model is described in detail above in conjunction with the embodiments of the drawings. A person skilled in the art can make various variations of the utility model according to the above description. Therefore, some details in the embodiments should not constitute a limitation of the utility model, and the utility model shall be protected within the scope defined by the attached claims.

Claims

1. A balancing cylinder device with a deviation correction function, the balancing cylinder device with a deviation correction function comprises a cylinder, and the cylinder has a piston rod; It is characterized in that The balancing cylinder device with deviation correction function also includes: Bracket; A pull rod, the pull rod is threadedly connected to the bracket, one end of the pull rod extends out of the bracket as a connecting end, the connecting end of the pull rod is a semi-ring-like body, and the connecting end is fixedly connected to the piston rod of the oil cylinder; A base, the base being hingedly connected to the tail of the oil cylinder; A fixed block, wherein the fixed block adopts another type of semi-ring body matched with the connecting end, and the fixed block and the connecting end are connected to form an annular cavity, and the piston rod of the oil cylinder is restricted in the annular cavity.

2. The balancing cylinder device with deviation correction function as claimed in claim 1, characterized in that: The fixing block and the connecting end are detachably connected by a locking screw.

3. The balancing cylinder device with deviation correction function as claimed in claim 1, characterized in that: The piston rod end of the oil cylinder is provided with a circle of locking grooves along the circumferential direction; A half-circle locking half-ring is provided on the inner wall of the connecting end of the pull rod, and the locking half-ring is located in the locking groove; The fixing block is at least partially located in the locking groove.

4. The balancing cylinder device with deviation correction function according to claim 1, characterized in that: The bracket is provided with a plurality of first fixing screws, and the bracket is connected to the external component through the first fixing screws; The base is provided with a plurality of second fixing screws, and the base is connected to another external component through the second fixing screws.

5. The balancing cylinder device with deviation correction function as claimed in claim 1, characterized in that: The surface of the base is provided with a positioning groove; The balancing cylinder device with deviation correction function also includes: A flat key is inserted into the positioning groove.

6. The balancing cylinder device with deviation correction function according to any one of claims 1 to 5, characterized in that: The base is provided with a hinge groove; The tail of the oil cylinder is provided with an articulated joint, the articulated joint is provided with an articulated through hole, the articulated joint is inserted into the articulated groove and is articulated and connected through a fixing pin.

7. The balancing cylinder device with deviation correction function as claimed in claim 6, characterized in that: Both ends of the fixing pin extend out of the base, and one end of the fixing pin is provided with a limiting groove along the circumferential direction; The balancing cylinder device with deviation correction function also includes: A baffle is fixed on the base, and a portion of the baffle is inserted into the limiting groove.

8. The balancing cylinder device with deviation correction function as claimed in claim 7, characterized in that: The baffle is fixed on the base by means of limit screws.

9. The balancing cylinder device with deviation correction function as claimed in claim 6, characterized in that: The axial direction of the fixing pin is perpendicular to the axial direction of the piston rod of the oil cylinder.

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