Numerically-controlled machine tool stand column with high rigidity

Abstract

The utility model relates to the technical field of numerical control machine tools, and discloses a high-rigidity numerical control machine tool stand column which comprises a machine tool stand column body, a supporting base is integrally installed at the bottom of the machine tool stand column body, a sliding rail is installed on the front side of the machine tool stand column body, and a sliding block is installed on the sliding rail in a sliding mode. Through effective heat dissipation of the heat dissipation plate and the cooling assembly, the temperature of the stand column body is kept within a reasonable range, the problems of rigidity reduction and deformation caused by temperature rise are avoided, through the design of the integrated supporting base and the multiple sets of sliding rails and sliding blocks at the bottom of the stand column body, the overall rigidity and stability of the stand column are enhanced, and the service life of the stand column is prolonged. Through circulating cooling of the cooling system and the water pump, the temperature of the stand column body is effectively controlled, and size instability and machining errors caused by temperature changes are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control machine tool technical field, concretely is a rigid numerical control machine tool stand. BACKGROUND

[0002] Numerical control machine tool stand is an important component of numerical control machine tool, it is vertical support part in machine tool structure, usually between the base and slide of machine tool. The main function of stand is to provide stable support in vertical direction, so that the slide can be accurately vertically moved on it.

[0003] When the heat generated by long time operation of machine tool, over time, it may cause the rigidity of machine tool stand to decrease, thereby causing the machine tool stand to be unstable, therefore, it does not meet the existing demand, for this, we propose a rigid numerical control machine tool stand. UTILITY MODEL CONTENT

[0004] The utility model provides a rigid numerical control machine tool stand, the temperature of the stand body is kept in reasonable range, avoid the rigidity decrease and deformation problem of the temperature rise benefit effect, solve the problem that when the heat generated by long time operation of machine tool, over time, it may cause the rigidity of machine tool stand to decrease, thereby causing the machine tool stand to be unstable.

[0005] The utility model provides following technical scheme: a rigid numerical control machine tool stand, including machine tool stand body, the bottom integration of machine tool stand body is installed with support base, the front side of machine tool stand body is installed with slide rail, the slide rail is installed with sliding block, the slide rail with sliding block all is provided with two groups, the recess is seted up in machine tool stand body, the recess is provided with motor, the bottom drive connection of motor is provided with running screw, motor with running screw is located between two groups of slide rail and sliding block, the both sides of machine tool stand body are installed with heat dissipation plate, the back wall of machine tool stand body is installed with cooling plate, the cooling cavity is seted up in cooling plate, cooling assembly is seted up in cooling cavity.

[0006] As a rigid numerical control machine tool stand of the utility model, wherein: the cooling assembly includes the water tank of installation in the cooling cavity and the cooling pipe of installation in the cooling cavity, one end of cooling pipe is connected with inlet pipe, the other end of cooling pipe is connected with outlet pipe, the end of inlet pipe is connected in one side of water tank, the outlet pipe is connected in the other side of water tank, the condensate is seted up in water tank, the water pump is seted up outside inlet pipe.

[0007] As a kind of rigid numerical control machine tool stand of the utility model, wherein: the water tank both sides are equipped with connecting hole, first flange is arranged in connecting hole, second flange is installed in the end of inlet pipe and outlet pipe, threaded hole is equipped with screw rod in first flange and second flange.

[0008] As a kind of rigid numerical control machine tool stand of the utility model, wherein: the cooling cavity is fixedly installed with the fixing ring for fixing cooling pipe, the fixing ring is provided with several, several fixing rings are sleeved on the outside of cooling pipe.

[0009] As a kind of rigid numerical control machine tool stand of the utility model, wherein: the heat dissipation plate is equipped with heat dissipation hole, the heat dissipation hole is provided with eight, the heat dissipation plate is provided with two, two heat dissipation plates are installed on both sides of machine tool stand body.

[0010] As a kind of rigid numerical control machine tool stand of the utility model, wherein: the cooling plate is installed with mounting clamping block, the machine tool stand body is equipped with the mounting clamping groove corresponding with mounting clamping block, the mounting clamping block is engaged with mounting clamping groove.

[0011] As a kind of rigid numerical control machine tool stand of the utility model, wherein: the machine tool stand body includes base plate layer, the base plate layer side is fixedly installed with anticorrosive layer, the anticorrosive layer side away from base plate layer is fixedly installed with heat dissipation layer, the heat dissipation layer side away from anticorrosive layer is fixedly installed with rigid layer.

[0012] As a kind of rigid numerical control machine tool stand of the utility model, wherein: the machine tool stand body and the support base inside are provided with reinforcing rib.

[0013] The utility model has the following beneficial effects:

[0014] 1、the rigid numerical control machine tool stand, through the effective heat dissipation of heat dissipation plate and cooling assembly, the temperature of stand body is kept in reasonable range, avoid the problem of rigidity drop and deformation caused by temperature rise, through the design of integrated support base and multiple groups of slide rail sliding block at the bottom of stand body, the overall rigidity and stability of stand are enhanced, through the circulation cooling of cooling system and water pump, the temperature of stand body is effectively controlled, avoid the size instability and machining error caused by temperature change.

[0015] 2、the rigid numerical control machine tool stand, through the design of mounting clamping block and mounting clamping groove, solve the problem of unstable connection between cooling plate and stand body in original design, the clamping of clamping block and clamping groove enhances the rigidity and stability of connection, prevent the displacement of cooling plate caused by vibration or thermal expansion and cold shrinkage. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the main body three-dimensional structure schematic diagram of the utility model.

[0017] Figure 2 It is the main body plane structure schematic diagram of the utility model.

[0018] Figure 3 It is the main body side view structure schematic diagram of the utility model.

[0019] Figure 4 It is the rear view cut structure schematic diagram of the utility model.

[0020] Figure 5 It is the main body internal cut structure schematic diagram of the utility model. Figure 4 The A place enlarged structure schematic diagram in the utility model.

[0021] Figure 6 It is the main body internal cut structure schematic diagram of the utility model.

[0022] In the figure: 110, machine tool stand body;111, support base;112, slide rail;113, sliding block;114, groove;115, motor;116, running screw;117, heat sink;118, cooling plate;119, cooling cavity;120, cooling assembly;121, water tank;122, cooling pipe;123, water inlet pipe;124, water outlet pipe;125, condensed water;126, water pump;127, connecting hole;128, first flange;129, second flange;130, screw hole;131, screw;132, fixed ring;133, heat dissipation hole;134, mounting clamping block;135, mounting clamping groove;140, base plate layer;141, anticorrosion layer;142, heat dissipation layer;143, rigid layer. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Embodiment one, this embodiment aims to promote the solution when the machine tool runs for a long time, the heat generated by long-term operation may cause the rigidity of the machine tool stand to decrease, thereby causing the machine tool stand to be unstable, please refer to Figures 1-6The utility model provides a kind of strong numerical control machine tool stand column, including machine tool stand column body 110, support base 111 is integrally installed in machine tool stand column body 110 bottom, slide rail 112 is installed on machine tool stand column body 110 front side, slide block 113 is slidably installed on slide rail 112, slide rail 112 and slide block 113 are provided with two groups, recess 114 is set on machine tool stand column body 110, motor 115 is provided in recess 114, operating screw 116 is drivingly connected in the bottom of motor 115, motor 115 and operating screw 116 are located between two groups of slide rail 112 and slide block 113, heat sink 117 is installed on the both sides of machine tool stand column body, cooling plate 118 is installed on the rear wall of machine tool stand column body 110, cooling cavity 119 is set in cooling plate 118, cooling assembly 120 is provided in cooling cavity 119.

[0025] Cooling assembly 120 includes water tank 121 installed in cooling cavity 119, and cooling pipe 122 installed in cooling cavity 119, cooling pipe 122 one end is connected with water inlet pipe 123, cooling pipe 122 other end is connected with water outlet pipe 124, water inlet pipe 123 end is connected in one side of water tank 121, water outlet pipe 124 is connected in other side of water tank 121, condensate water 125 is provided in water tank 121, water pump 126 is provided outside water inlet pipe 123.

[0026] Connecting hole 127 is set in the both sides of water tank 121, first flange 128 is provided in connecting hole 127, second flange 129 is installed in the end of water inlet pipe 123 and water outlet pipe 124, threaded hole 130 is set in first flange 128 and second flange 129, screw rod 131 is screw mounted in threaded hole 130.Several fixing rings 132 for fixing cooling pipe 122 are fixedly installed in cooling cavity 119, several fixing rings 132 are sleeved on the outside of cooling pipe 122.Radiating hole 133 is set in heat sink 117, and there are eight radiating holes 133, and heat sink 117 is provided with two, and two heat sinks 117 are installed on the both sides of machine tool stand column body 110.

[0027] Start numerical control machine tool, start processing work.Electric motor 115 drives operating screw 116, so that slide block 113 moves vertically on slide rail 112, to realize the accurate processing of workpiece.In the processing, heat is generated by machine tool stand column and other components, especially in high-speed cutting and heavy load processing.Heat is conducted to heat sink 117 through stand column body.Radiating hole 133 on heat sink 117 increases air circulation, and accelerates heat dissipation.

[0028] Condensate water 125 circulates in the water tank 121. The water pump 126 pumps the condensate water 125 into the cooling pipe 122 through the water inlet pipe 123. The condensate water 125 in the cooling pipe 122 absorbs the heat of the column body and the cooling plate 118, thereby reducing the temperature of the column. The cooled condensate water 125 flows back to the water tank 121 through the water outlet pipe 124 for recycling.

[0029] The fixing ring 132 ensures the stability of the cooling pipe 122 in the cooling cavity 119, preventing displacement caused by vibration or thermal expansion. Through effective heat dissipation of the heat sink 117 and the cooling assembly 120, the temperature of the column body is maintained within a reasonable range, avoiding the problem of rigidity reduction and deformation caused by temperature rise. The stability of the column is significantly improved, ensuring high-precision machining of the machine tool.

[0030] In this embodiment: through effective heat dissipation of the heat sink 117 and the cooling assembly 120, the temperature of the column body is maintained within a reasonable range, avoiding the problem of rigidity reduction and deformation caused by temperature rise. Through the design of the integrated support base 111 and the multiple sets of sliding rails 112 and sliding blocks 113 at the bottom of the column body, the overall rigidity and stability of the column are enhanced. Through the circulation cooling of the cooling system and the water pump 126, the temperature of the column body is effectively controlled, avoiding the problem of size instability and machining error caused by temperature change.

[0031] In this embodiment, the problem of displacement of the cooling plate 118 caused by vibration or thermal expansion is solved. This embodiment is an improvement based on the first embodiment. For details, please refer to Figures 1-6 . The mounting clamping block 134 is installed on the cooling plate 118, and the mounting clamping groove 135 corresponding to the mounting clamping block 134 is opened on the machine tool column body 110. The mounting clamping block 134 is clamped with the mounting clamping groove 135.

[0032] The machine tool column body 110 includes a base plate layer 140, a corrosion-resistant layer 141 is fixedly installed on the side of the base plate layer 140, a heat dissipation layer 142 is fixedly installed on the side of the corrosion-resistant layer 141 away from the base plate layer 140, and a rigid layer 143 is fixedly installed on the side of the heat dissipation layer 142 away from the corrosion-resistant layer 141. The machine tool column body 110 and the support base 111 are provided with reinforcing ribs inside. The addition of the corrosion-resistant layer 141 solves the problem of easy corrosion of the column body in harsh environments. The corrosion-resistant layer 141 provides additional protection and prolongs the service life of the column, especially for machine tools working in high humidity or corrosive environments.

[0033] The addition of the heat dissipation layer 142 further improves the heat dissipation effect of the column. The heat dissipation layer 142 not only enhances the dissipation of heat, but also improves the overall heat dissipation efficiency of the column body, which helps to maintain the temperature of the column within a reasonable range and prevent the rigidity from decreasing due to temperature rise. The addition of the rigid layer 143 significantly improves the rigidity and stability of the column.

[0034] The design of the reinforcing rib solves the problem of stress concentration inside the column. By arranging the reinforcing rib inside the column body and the supporting base 111, the force and thermal stress received by the column are effectively dispersed, preventing structural deformation and damage caused by stress concentration.

[0035] In this embodiment: through the design of the installation clamping block 134 and the installation clamping groove 135, the problem of unstable connection between the cooling plate 118 and the column body in the original design is solved. The clamping of the clamping block and the clamping groove enhances the rigidity and stability of the connection, preventing displacement of the cooling plate 118 caused by vibration or thermal expansion and contraction.

[0036] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0037] The above description is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be considered as the protection scope of the present application.

Claims

1. A rigid CNC machine tool column comprising a machine tool column body (110), characterized by: The machine tool column body (110) is integrally provided with a support base (111) at the bottom, a sliding rail (112) is installed on the front side of the machine tool column body (110), a sliding block (113) is slidably installed on the sliding rail (112), the sliding rail (112) and the sliding block (113) are both provided with two groups, a groove (114) is formed in the machine tool column body (110), a motor (115) is arranged in the groove (114), a running screw (116) is drivingly connected to the bottom of the motor (115), the motor (115) and the running screw (116) are located between the two groups of sliding rails (112) and sliding blocks (113), heat dissipation plates (117) are installed on both sides of the machine tool column body (110), a cooling plate (118) is installed on the rear wall of the machine tool column body (110), a cooling cavity (119) is formed in the cooling plate (118), and a cooling assembly (120) is arranged in the cooling cavity (119).

2. The rigid column of claim 1, wherein: The cooling assembly (120) comprises a water tank (121) installed in the cooling cavity (119), and a cooling pipe (122) installed in the cooling cavity (119), one end of the cooling pipe (122) is connected with a water inlet pipe (123), the other end of the cooling pipe (122) is connected with a water outlet pipe (124), the end of the water inlet pipe (123) is connected to one side of the water tank (121), the water outlet pipe (124) is connected to the other side of the water tank (121), and condensed water (125) is arranged in the water tank (121). A water pump (126) is arranged outside the water inlet pipe (123).

3. A rigid column for a numerically controlled machine tool according to claim 2, characterized in that: Connecting holes (127) are formed in both sides of the water tank (121), first flanges (128) are arranged in the connecting holes (127), second flanges (129) are arranged at the ends of the water inlet pipe (123) and the water outlet pipe (124), threaded holes (130) are formed in the first flanges (128) and the second flanges (129), and screws (131) are screwedly installed in the threaded holes (130).

4. The rigid column of claim 2, wherein: A plurality of fixing rings (132) for fixing the cooling pipe (122) are fixedly installed in the cooling cavity (119), and the fixing rings (132) are arranged outside the cooling pipe (122).

5. The rigid column for CNC machine tools according to claim 1, characterized in that: A plurality of heat dissipation holes (133) are formed in the heat dissipation plates (117), the heat dissipation plates (117) are provided with eight heat dissipation holes (133), and the heat dissipation plates (117) are provided with two heat dissipation plates (117) installed on both sides of the machine tool column body (110).

6. The rigid column for a CNC machine tool according to claim 1, wherein: An installation clamping block (134) is installed on the cooling plate (118), an installation clamping groove (135) corresponding to the installation clamping block (134) is formed in the machine tool column body (110), and the installation clamping block (134) is clamped with the installation clamping groove (135).

7. The rigid column for a CNC machine tool according to claim 1, wherein: The machine tool column body (110) comprises a base plate layer (140), the side of the base plate layer (140) is fixedly provided with a corrosion-proof layer (141), the side, away from the base plate layer (140), of the corrosion-proof layer (141) is fixedly provided with a heat dissipation layer (142), and the side, away from the corrosion-proof layer (141), of the heat dissipation layer (142) is fixedly provided with a rigid layer (143).

8. The rigid column for a CNC machine tool according to claim 1, wherein: The machine tool column body (110) and the support base (111) are internally provided with reinforcing ribs.

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