Positioning tool for transmission shaft machining

Abstract

The utility model discloses a positioning tool for transmission shaft machining, which relates to the technical field of machining tools and comprises a supporting table, a U-shaped plate is fixed on the upper end face of the supporting table, a ventilation opening is formed in the horizontal section of the U-shaped plate, an electric heating net is mounted at the ventilation opening, an air blowing component is fixed at the upper end of the horizontal section of the U-shaped plate, and the lower end of the ventilation opening is connected with an air collecting cover. A fixed supporting part is arranged on the upper end face of the supporting table, and a strip-shaped hole is formed in one side of the supporting table. According to the utility model, the temperature sensor detects the temperature of the transmission shaft and transmits the temperature information to the controller module, when the temperature is low, the controller module controls the fan and the electric heating net to be started, the controller module controls the heating temperature of the electric heating net to be within a proper range, and hot air is blown to the transmission shaft by utilizing the fan; therefore, the temperature of the transmission shaft and the surrounding environment is increased, the phenomenon that the transmission shaft expands with heat and contracts with cold in subsequent machining is avoided, and the machining precision is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing frock technical field especially, relates to a kind of positioning frock for transmission shaft machining. BACKGROUND

[0002] In the processing of transmission shaft, accurate positioning is crucial. Traditional positioning frock often has many defects, for example, transmission shaft is processed in cold environment and the transmission shaft is heated during processing, which can cause thermal expansion and contraction phenomenon, resulting in unstable precision of processing, affecting the use of transmission shaft in later period, therefore, the present application provides a positioning frock for transmission shaft machining. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides a positioning frock for transmission shaft machining, which detects the temperature of the transmission shaft through a temperature sensor and transmits the temperature information to a controller module. When the temperature is low, the controller module controls the fan and the electric heating net to start. The controller module controls the heating temperature of the electric heating net to be within a suitable range. The fan blows hot air to the transmission shaft, which increases the temperature of the transmission shaft and its surroundings, thereby avoiding thermal expansion and contraction phenomenon during subsequent processing, ensuring the precision of processing and overcoming the deficiencies of the prior art.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A positioning frock for transmission shaft machining includes a support table, a U-shaped plate is fixed to the upper end surface of the support table, a ventilation opening is provided on the horizontal section of the U-shaped plate, an electric heating net is installed at the ventilation opening, a blowing assembly is fixed to the upper end of the horizontal section of the U-shaped plate, a wind collecting cover is connected to the lower end of the ventilation opening, a fixed support part is provided on the upper end surface of the support table, a strip-shaped hole is provided on one side of the support table, an adjusting assembly is installed at the strip-shaped hole, a movable support part is installed on the adjusting assembly, a temperature sensor is installed on the upper end surface of the support table, and a clamping assembly is fixed to the bottom of the vertical section of the U-shaped plate.

[0006] As a further scheme of the utility model: the blowing assembly includes a U-shaped bracket fixed to the upper end surface of the horizontal section of the U-shaped plate, and fans are installed equidistantly on the upper end surface of the U-shaped bracket.

[0007] As a further scheme of the utility model: a controller module is fixed to one side of the upper end surface of the horizontal section of the U-shaped plate, a display screen and control buttons are integrated and installed on the controller module, and the temperature sensor and the electric heating net are electrically connected to the controller module.

[0008] As a further scheme of the utility model: the fixed support part includes a first fixed column fixed on the end surface of the support table, and the upper end of the first fixed column is fixed with a first arc-shaped support plate.

[0009] As a further scheme of the utility model: the adjusting assembly includes a screw rod rotatably installed at the strip-shaped hole through a bearing, the screw rod is screwed with an adjusting block, the adjusting block is slidably connected with the strip-shaped hole through a sliding fit, and one end of the screw rod extends to the outside of the support table and is connected with a hand wheel.

[0010] As a further scheme of the utility model: the movable support part includes a second fixed column fixed on the upper end of the adjusting block, and the upper end of the second fixed column is fixed with a second arc-shaped support plate.

[0011] As a further scheme of the utility model: the upper end surface side of the adjusting block is fixed with an L-shaped support plate, the lower end of the horizontal section of the L-shaped support plate is fixed with a first hydraulic push rod, and the lower end of the first hydraulic push rod is fixed with a third arc-shaped support plate.

[0012] As a further scheme of the utility model: the clamping assembly includes two second hydraulic push rods fixed on the opposite sides of the vertical sections of the U-shaped plate respectively, and the opposite ends of the two second hydraulic push rods are connected with clamping blocks.

[0013] The utility model discloses the beneficial effects are:

[0014] The temperature sensor detects the temperature of the transmission shaft, and transmits temperature information to the controller module, when the temperature is low, the controller module controls the fan and the electric heating net to open, the controller module controls the heating temperature of the electric heating net to be in the appropriate range, the hot air is blown to the transmission shaft by the fan, the temperature of the transmission shaft and the surrounding temperature are increased, and then the thermal expansion and cold shrink phenomenon of the transmission shaft in the subsequent processing is avoided, and the processing precision is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a first perspective three-dimensional structure schematic view that the utility model proposes a positioning tool for transmission shaft machining.

[0016] Figure 2 It is a second perspective three-dimensional structure schematic view that the utility model proposes a positioning tool for transmission shaft machining.

[0017] Figure 3 It is a partial structure schematic view that the utility model proposes a positioning tool for transmission shaft machining.

[0018] Figure 4 It is a partial structure schematic view that the utility model proposes a positioning tool for transmission shaft machining. Figure 3 It is an enlarged structure schematic view of A in the middle.

[0019] In the figure: 1, support table; 2, U-shaped plate; 3, controller module; 4, U-shaped frame; 5, fan; 6, air vent; 7, temperature sensor; 8, first fixed column; 9, electric heating net; 10, strip-shaped hole; 11, screw rod; 12, adjusting block; 13, air collecting cover; 14, second fixed column; 15, clamping block; 16, first arc-shaped support plate; 17, L-shaped support plate; 18, first hydraulic push rod; 19, third arc-shaped support plate; 20, second arc-shaped support plate; 21, second hydraulic push rod. DETAILED DESCRIPTION

[0020] 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.

[0021] Embodiment 1, refer to Figures 1-4 A positioning tool for transmission shaft machining, comprising a support table 1, the upper end surface of the support table 1 is fixed with a U-shaped plate 2, the horizontal section of the U-shaped plate 2 is provided with an air vent 6, the air vent 6 is installed with an electric heating net 9, the upper end of the horizontal section of the U-shaped plate 2 is fixed with a blowing assembly, the lower end of the air vent 6 is connected with an air collecting cover 13, the upper end surface of the support table 1 is provided with a fixed support part, one side of the support table 1 is provided with a strip-shaped hole 10, the strip-shaped hole 10 is installed with an adjusting assembly, the adjusting assembly is installed with a movable support part, the upper end surface of the support table 1 is installed with a temperature sensor 7, the vertical sections of the two sides of the U-shaped plate 2 are fixed with clamping assemblies at the bottom;

[0022] The blowing assembly comprises a U-shaped frame 4 fixed on the upper end surface of the horizontal section of the U-shaped plate 2, and the upper end surface of the U-shaped frame 4 is installed with fans 5 at equal distances;

[0023] One side of the upper end surface of the horizontal section of the U-shaped plate 2 is fixed with a controller module 3, and the controller module 3 is integrally installed with a display screen and control buttons, and the temperature sensor 7 and the electric heating net 9 are electrically connected with the controller module 3;

[0024] The fixed support part comprises a first fixed column 8 fixed on the upper end surface of the support table 1, and the upper end of the first fixed column 8 is fixed with a first arc-shaped support plate 16;

[0025] The adjusting assembly comprises a screw rod 11 rotatably installed at the strip-shaped hole 10 through a bearing, the screw rod 11 is screwed with an adjusting block 12, the adjusting block 12 is slidably connected with the strip-shaped hole 10 in a sliding fit mode, and one end of the screw rod 11 extends to the outside of the support table 1 and is connected with a hand wheel;

[0026] The movable support part comprises a second fixed column 14 fixed on the upper end of the adjusting block 12, and the upper end of the second fixed column 14 is fixed with a second arc-shaped support plate 20;

[0027] The upper end face side of the adjusting block 12 is fixed with an L-shaped support plate 17, the horizontal section lower end of the L-shaped support plate 17 is fixed with a first hydraulic push rod 18, and the lower end of the first hydraulic push rod 18 is fixed with a third arc-shaped support plate 19.

[0028] The screw rod 11 is rotated by the hand wheel, the adjusting block 12 drives the second fixed column 14 and the second arc-shaped support plate 20 to move along the strip-shaped hole 10, the angle of the first arc-shaped support plate 16 and the second arc-shaped support plate 20 is adjusted according to the length of the transmission shaft, the transmission shaft is placed behind the first arc-shaped support plate 16 and the second arc-shaped support plate 20, the third arc-shaped support plate 19 is pushed down by the first hydraulic push rod 18, the third arc-shaped support plate 19 and the second arc-shaped support plate 20 are clamped, the temperature of the transmission shaft is detected by the temperature sensor 7, and the temperature information is transmitted to the controller module 3; when the temperature is low, the controller module 3 controls the fan 5 and the electric heating net 9 to be turned on, the heating temperature of the electric heating net 9 is controlled by the controller module 3 to be in a proper range, hot air is blown from the air collecting cover 13 to the transmission shaft by the fan 5, so that the temperature of the transmission shaft and the surrounding temperature are increased, and then the thermal expansion and cold contraction phenomenon of the transmission shaft in the subsequent machining is avoided, and the machining precision is ensured.

[0029] In the embodiment 2, the clamping assembly includes two second hydraulic push rods 21 fixed at the bottom of the opposite side of the vertical section of the U-shaped plate 2, and the two second hydraulic push rods 21 are connected with the clamping blocks 15.

[0030] The two second hydraulic push rods 21 push the two clamping blocks 15 to move towards each other, so that the transmission shaft is fixed by the two clamping blocks 15 from the end of the transmission shaft, and the stability of the transmission shaft in the machining process is ensured.

[0031] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model makes equivalent replacement or change, which should be covered in the protection scope of the utility model.

Claims

1. A positioning tool for transmission shaft machining, comprising a support table (1), characterized in that, The upper end surface of the support table (1) is fixed with a U-shaped plate (2), the horizontal section of the U-shaped plate (2) is provided with a ventilation opening (6), the ventilation opening (6) is provided with an electric heating net (9), the upper end of the horizontal section of the U-shaped plate (2) is fixed with a blowing assembly, the lower end of the ventilation opening (6) is connected with a wind collecting cover (13), the upper end surface of the support table (1) is provided with a fixed support part, one side of the support table (1) is provided with a strip-shaped hole (10), the strip-shaped hole (10) is provided with an adjusting assembly, the adjusting assembly is provided with a movable support part, the upper end surface of the support table (1) is provided with a temperature sensor (7), and the bottom of the vertical section of the U-shaped plate (2) is fixed with a clamping assembly.

2. The positioning tool for a drive shaft machining according to claim 1, characterized in that, The blowing assembly comprises a U-shaped frame (4) fixed on the upper end surface of the horizontal section of the U-shaped plate (2), and the upper end surface of the U-shaped frame (4) is provided with a fan (5) at equal distances.

3. The positioning tool for a drive shaft machining according to claim 2, characterized in that, The upper end surface of the horizontal section of the U-shaped plate (2) is fixed with a controller module (3), the display screen and the control button are integrally installed on the controller module (3), and the temperature sensor (7) and the electric heating net (9) are electrically connected with the controller module (3).

4. The positioning tool for a drive shaft machining according to claim 1, characterized in that, The fixed support part comprises a first fixed column (8) fixed on the upper end surface of the support table (1), and the upper end of the first fixed column (8) is fixed with a first arc-shaped support plate (16).

5. The positioning tool for a drive shaft machining according to claim 1, characterized in that, The adjusting assembly comprises a screw rod (11) rotatably installed at the strip-shaped hole (10) through a bearing, the screw rod (11) is screwed with an adjusting block (12), the adjusting block (12) is slidably connected with the strip-shaped hole (10) through sliding fit, and one end of the screw rod (11) extends to the outside of the support table (1) and is connected with a hand wheel.

6. The positioning tool for a drive shaft machining according to claim 5, characterized in that, The movable support part comprises a second fixed column (14) fixed on the upper end of the adjusting block (12), and the upper end of the second fixed column (14) is fixed with a second arc-shaped support plate (20).

7. The positioning tool for a drive shaft machining according to claim 6, characterized in that, The upper end surface of the adjusting block (12) is fixed with an L-shaped support plate (17), the lower end of the horizontal section of the L-shaped support plate (17) is fixed with a first hydraulic push rod (18), and the lower end of the first hydraulic push rod (18) is fixed with a third arc-shaped support plate (19).

8. The positioning tool for a drive shaft machining according to claim 1, characterized in that, The clamping assembly comprises two second hydraulic push rods (21) fixed on the bottom of the opposite side of the vertical section of the U-shaped plate (2) respectively, and the opposite ends of the two second hydraulic push rods (21) are connected with clamping blocks (15).

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