Cooling device for camshaft machining

Abstract

The utility model discloses a cooling device for camshaft processing, which comprises a base, a fixed platform and a first linear reciprocating motion mechanism are arranged above the base, a movable platform and a second linear reciprocating motion mechanism are arranged above the fixed platform, and a cooling unit is arranged on the movable platform; the cooling unit comprises a central cooling pipe and side cooling pipes which circumferentially extend around the axis horizontally extending left and right, the side cooling pipes are arranged on the left side and the right side of the central cooling pipe, first plugs are arranged at the two ends of the central cooling pipe respectively, and second plugs are arranged at the two ends of the side cooling pipes respectively. The main supply pipe is communicated with the central cooling pipe and the side cooling pipes, first spray holes are circumferentially distributed in the pipe wall of the inner side of the central cooling pipe, and second spray holes are circumferentially distributed in the pipe wall of the inner side of the side cooling pipes; openings formed by the center cooling pipe and the side cooling pipes face upwards. The cooling device has the characteristics of moving along with a processing point position and uniform and sufficient cooling, and is complete in overall function and high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical equipment technical field more specifically, it relates to a camshaft processing cooling device. BACKGROUND

[0002] When turning the camshaft, the real-time machining position is located at a certain point of the camshaft, but the axial distance of the whole camshaft is large, if only the real-time machining point is cooled, the problem of local stress concentration will be caused, so appropriate cooling should be made on both sides of the machining point to eliminate local stress and prevent the product from deforming during machining. SUMMARY

[0003] The utility model discloses a camshaft processing cooling device, which has the characteristics of moving with the machining point and uniform and sufficient cooling.

[0004] To solve the above technical problems, the utility model discloses a camshaft processing cooling device, which includes a base, a fixed platform above the base, a first linear reciprocating mechanism for controlling the horizontal left-right movement of the fixed platform, an active platform above the fixed platform, a second linear reciprocating mechanism for controlling the vertical up-down movement of the active platform, and a cooling unit below the turned camshaft on the active platform.

[0005] The cooling unit includes a central cooling pipe and a side cooling pipe extending circumferentially around the horizontal left-right axis, the side cooling pipe is arranged on the left and right sides of the central cooling pipe, the two ends of the central cooling pipe are respectively provided with a first plug, the two ends of the side cooling pipe are respectively provided with a second plug, and the central cooling pipe and the side cooling pipe are connected by a main pipe, the inner side wall of the central cooling pipe is circumferentially provided with a first spray hole, and the inner side wall of the side cooling pipe is circumferentially provided with a second spray hole.

[0006] The utility model further provides that the first linear reciprocating mechanism includes a lead screw connected to the base, a lead screw nut threaded on the lead screw, the fixed platform is arranged on the lead screw nut, and one end of the lead screw is drivingly connected to a motor for controlling rotation, and the motor is arranged on the base.

[0007] The utility model further provides that a linear guide rail is arranged on the base, a linear slider is slidingly connected to the linear guide rail, and the fixed platform is arranged on the linear slider.

[0008] The utility model further provides that the linear guide rails are symmetrically arranged on both sides of the lead screw.

[0009] The utility model further sets up: the second linear reciprocating mechanism includes scissor type lifting mechanism.

[0010] The utility model further sets up: cooling unit still includes the mat lump that presents front and back symmetry arrangement, the top of mat lump links together with center cooling pipe and side cooling pipe, the bottom of mat lump links together with movable platform.

[0011] The utility model further sets up: the circumferential extension angle of center cooling pipe and side cooling pipe is 180 to 275.

[0012] The utility model further sets up: the circumferential extension angle of center cooling pipe and side cooling pipe is 270.

[0013] The utility model further sets up: the interval included angle between two adjacent first spray holes is equal;The interval included angle between two adjacent second spray holes is equal.

[0014] The utility model further sets up: the diameter of first spray hole is greater than the diameter of second spray hole.

[0015] Summarized above, the utility model has following beneficial effects: the cooling device for camshaft machining related in the utility model, through the cooperation between two groups of linear reciprocating mechanism, makes cooling unit with half package form to the local cooling of camshaft in machining, and cooling position can move in real time with machining point, and cooling is uniform and sufficient, eliminates local stress, prevents product from deforming in machining, and the overall function is perfect, and the practicality is strong. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the overall structure schematic diagram of the utility model;

[0017] Fig. 2 It is the partial structure schematic diagram of the utility model;

[0018] Fig. 3 It is the structure schematic diagram of cooling unit for the utility model. DETAILED DESCRIPTION

[0019] In order to make those skilled in the art better understand the technical scheme of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific implementation examples, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, and are not the limitation of the utility model patent claim. Based on the examples in the utility model, all other examples obtained by those skilled in the art without making creative labor belong to the protection scope of the utility model.

[0020] The utility model is further illustrated below in combination with the drawings and preferred embodiments.

[0021] Embodiment 1

[0022] Referring to Figs. 1-3 As shown in the figure, the cooling device for camshaft machining in the embodiment comprises a base 1, a fixed platform 2 and a first linear reciprocating mechanism 3 for controlling horizontal left-right movement of the fixed platform are arranged above the base 1, an activity platform 4 and a second linear reciprocating mechanism 5 for controlling vertical up-down movement of the activity platform are arranged above the fixed platform 2, the second linear reciprocating mechanism 5 comprises a scissor lifting mechanism, and a cooling unit 6 is arranged on the activity platform 4 below the turned camshaft.

[0023] The cooling unit 6 comprises a central cooling pipe 601 extending 270° in the circumferential direction around the horizontal left-right extending axis and a side cooling pipe 602 arranged on the left and right sides of the central cooling pipe 601, first plugs 603 are arranged at the two ends of the central cooling pipe 601 respectively, second plugs 604 are arranged at the two ends of the side cooling pipe 602 respectively, a supply main pipe 605 for connecting the central cooling pipe and the side cooling pipe is further arranged, a plurality of first spray holes 606 with equal adjacent interval angles are arranged on the inner side wall of the central cooling pipe 601 in the circumferential direction, and a plurality of second spray holes 607 with equal adjacent interval angles are arranged on the inner side wall of the side cooling pipe 602 in the circumferential direction; the openings formed by the central cooling pipe 601 and the side cooling pipe 602 are all upward.

[0024] Further, the first linear reciprocating mechanism 3 comprises a lead screw 301 rotatably connected to the base, a lead screw nut 302 is threadedly connected to the lead screw 301, the fixed platform 2 is arranged on the lead screw nut 302, and a motor 303 for controlling rotation is drivingly connected to one end of the lead screw 301, and the motor 303 is arranged on the base.

[0025] Further, a linear guide rail 304 is arranged on the base 1, a linear sliding block 305 is slidingly connected to the linear guide rail 304, and the fixed platform 2 is arranged on the linear sliding block 305; the linear guide rails 304 are symmetrically arranged on the two sides of the lead screw 301.

[0026] Further, the diameter of the first spray hole 606 is greater than the diameter of the second spray hole 607.

[0027] In the embodiment, the fixed platform 2 and the cooling unit 6 thereon can be controlled to move horizontally and left-right by operating the motor 303 and through the transmission of the lead screw pair. The activity platform 4 and the cooling unit 6 thereon can be controlled to move vertically and up-down by operating the scissor lifting mechanism and through the transmission between mechanisms.

[0028] When the movable platform 4 ascends with the cooling unit 6, the camshaft being machined enters the central cooling region of the central cooling pipe 601 and the side cooling pipe 602 from top to bottom along the opening formed by the central cooling pipe 601 and the side cooling pipe 602, and the cooling liquid is sprayed from the first spray hole 606 on the central cooling pipe 601 and the second spray hole 607 on the side cooling pipe 602 to cool the local position of the camshaft being machined (the first spray hole 606 mainly sprays the machining point, and the second spray hole 607 mainly sprays the position on both sides of the machining point in the axial direction).

[0029] The cooling liquid in the central cooling pipe 601 and the side cooling pipe 602 is supplied by the supply main pipe 605 connected with the two pipes.

[0030] Embodiment 2

[0031] Referring to Figs. 1-3 The cooling unit 6 further comprises a pad 608 arranged in front and back symmetry, the top of the pad 608 is connected with the central cooling pipe and the side cooling pipe, and the bottom of the pad 608 is connected with the movable platform.

[0032] In the present embodiment, the central cooling pipe 601 and the side cooling pipe 602 are stably installed on the movable platform by the pad 608 as a cushion.

[0033] The cooling device for camshaft machining has the advantages that the two sets of linear reciprocating motion mechanisms are matched to enable the cooling unit to cool the local part of the camshaft being machined in a half-wrapping manner, the cooling position can be moved in real time with the machining point, the cooling is uniform and sufficient, the local stress is eliminated, the product is prevented from being deformed during machining, the overall function is perfect, and the practicality is high.

[0034] Unless otherwise specified, in the present utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating the orientation or positional relationship, the orientation or positional relationship is based on the actual shown orientation or positional relationship, and is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing the orientation or positional relationship in the present utility model are only used for example description, and cannot be understood as a limitation on the present patent, and for those skilled in the art, the specific meaning of the above terms can be understood in combination with the embodiments and according to the specific circumstances.

[0035] Unless specifically stated and limited otherwise, the terms "set", "connected", and "coupled" used in the present application are used in their broadest sense, for example, to include fixed connections, detachable connections, or integrally connected; can be directly connected, or indirectly connected through an intermediate medium; can be internal communication of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] The preferred embodiments of the present application are described in detail above. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the existing technology according to the concept of the present application shall be within the protection scope determined by the claims.

Claims

1. A camshaft machining cooling device, comprising a base, a fixed platform is arranged above the base, and a first linear reciprocating mechanism is arranged to control the horizontal left and right movement of the fixed platform, characterized in that: The fixed platform is provided with a movable platform and a second linear reciprocating mechanism for controlling vertical up-and-down movement of the movable platform. The cooling unit comprises a central cooling pipe and side cooling pipes extending circumferentially around a horizontal left-right extending axis, the side cooling pipes are arranged on the left and right sides of the central cooling pipe, the two ends of the central cooling pipe are respectively provided with first plugs, the two ends of the side cooling pipes are respectively provided with second plugs, and the cooling unit further comprises a main pipe for connecting the central cooling pipe and the side cooling pipes, the inner wall of the central cooling pipe is circumferentially provided with first spray holes, and the inner wall of the side cooling pipes is circumferentially provided with second spray holes; the openings formed by the central cooling pipe and the side cooling pipes are upward.

2. The camshaft machining cooling device according to claim 1, characterized in that: The first linear reciprocating mechanism comprises a lead screw rotatably connected to the base, a lead screw nut is threadedly connected to the lead screw, the fixed platform is arranged on the lead screw nut, and one end of the lead screw is drivingly connected to a motor for controlling rotation, and the motor is arranged on the base.

3. The camshaft machining cooling device according to claim 2, characterized in that: The base is provided with a linear guide rail, a linear slide block is slidingly connected to the linear guide rail, and the fixed platform is arranged on the linear slide block.

4. The camshaft machining cooling device according to claim 3, characterized in that: The linear guide rails are symmetrically arranged on both sides of the lead screw.

5. The cooling device for machining of camshafts as claimed in any of claims 1 to 4, characterized in that: The second linear reciprocating mechanism comprises a scissor type lifting mechanism.

6. The camshaft machining cooling device according to claim 1, characterized in that: The cooling unit further comprises a pad block symmetrically arranged in front and back, the top of the pad block is connected to the central cooling pipe and the side cooling pipes, and the bottom of the pad block is connected to the movable platform.

7. The camshaft machining cooling device according to claim 1, characterized in that: The circumferential extension angle of the central cooling pipe and the side cooling pipes is 180° to 275°.

8. The camshaft machining cooling device according to claim 7, characterized in that: The circumferential extension angle of the central cooling pipe and the side cooling pipes is 270°.

9. The camshaft machining cooling device according to claim 1, characterized in that: The interval between adjacent first spray holes is equal; the interval between adjacent second spray holes is equal.

10. The camshaft machining cooling apparatus of claim 1, wherein: The diameter of the first spray hole is larger than that of the second spray hole.

Images