Spline shaft grinding machine machining positioning tool

Abstract

The utility model belongs to the technical field of positioning tools, and particularly relates to a spline shaft grinding machine machining positioning tool which comprises a base, a top plate is arranged above the base, stand columns are fixedly connected to the four corners of the top face of the base and the four corners of the bottom face of the top plate, and a spline shaft is placed on the top face of the top plate. A clamping assembly is arranged in the top plate, and oil injection assemblies are arranged on the two sides of the base. The clamping assembly is arranged, a motor is controlled to be started, a rotating shaft can be driven to rotate, accordingly, a special-shaped cam is driven to rotate, and along with rotation of the special-shaped cam, when the slope surface of the outer side of the special-shaped cam is larger and larger, one end of a clamping plate can be driven to move towards the outer side of a top plate; and then the other end of the clamping plate moves in the direction of the spline shaft, so that the spline shaft can be rapidly and stably clamped, the purpose of rapidly clamping and disassembling the spline shaft is achieved, and the production efficiency is greatly improved.

Description

Technical Field

[0001] This utility model belongs to the field of positioning tooling technology, specifically a positioning tooling for spline shaft grinding. Background Technology

[0002] The design and use of positioning fixtures for spline shaft grinding machines aim to ensure the accuracy, stability, and processing efficiency of spline shafts during the grinding process. Spline shafts are shaft parts with spline structures and are commonly used in transmission systems in the automotive and mechanical equipment industries. Due to the complex geometry of splines and the high precision requirements, special fixtures are needed to ensure accurate positioning and effectively improve processing accuracy and efficiency when machining spline shafts on grinding machines.

[0003] Currently, existing positioning fixtures still have some problems in actual use. For example, due to their complex structure, existing positioning fixtures waste a lot of time during the clamping process of spline shafts, resulting in low production efficiency.

[0004] Therefore, a positioning fixture for spline shaft grinding is proposed to address the above problems. Utility Model Content

[0005] To overcome the shortcomings of existing technologies and solve the problem of excessive time wasted in the clamping process of spline shafts due to the complexity of existing structures, a positioning fixture for spline shaft grinding is proposed.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: The spline shaft grinding machine positioning fixture of this utility model includes a base, a top plate is provided on the top of the base, and columns are fixedly connected to the four corners of the top surface of the base and the four corners of the bottom surface of the top plate. A spline shaft is placed on the top surface of the top plate, a clamping assembly is provided inside the top plate, and an oil injection assembly is provided on both sides of the base.

[0007] Preferably, the clamping assembly includes a rotating shaft, which is rotatably mounted between the top plate and the base. A shaped cam is fixedly sleeved on the outer surface of the rotating shaft. Movable grooves are provided at both ends of the top surface of the top plate. Mounting brackets are fixedly mounted on both sides of the movable grooves. A clamping plate is installed inside the mounting bracket. A clamping frame is fixedly mounted on the top of the clamping plate.

[0008] Preferably, a shaped cam is fixedly sleeved on the outer surface of the rotating shaft, and a contact post is installed on one side of the clamping plate, with one end of the contact post contacting the outer surface of the shaped cam.

[0009] Preferably, one side surface of the top plate is fixedly provided with a positioning plate, the bottom surface of the positioning plate is fixedly provided with a motor, the output end of the motor is fixedly provided with a gear two, the outer surface of the rotating shaft is fixedly provided with a gear one, and the gear one and the gear two are in meshing relationship.

[0010] Preferably, the oil injection assembly comprises two L-shaped mounting plates which are symmetrically arranged, the inside of each L-shaped mounting plate is fixedly provided with a box body and a tank body, the connecting pipe is fixedly connected between the box body and the tank body, the outer surface of the connecting pipe is fixedly provided with a one-way valve one, the outer surface of the tank body is fixedly connected with a liquid outlet pipe, and the outer surface of the liquid outlet pipe is fixedly provided with a one-way valve two.

[0011] Preferably, the inside of the tank body is movably clamped with a sealing clamping disc, one side surface of the sealing clamping disc is movably connected with a connecting shaft, the bottom surface of the clamping plate is fixedly provided with a support, the other end of the connecting shaft is movably connected in the inside of the support, the top surface of the clamping plate is fixedly connected with a supporting column, the top end of the supporting column is fixedly provided with a rectangular pipe, and one side surface of the rectangular pipe is fixedly connected with a plurality of nozzles.

[0012] The utility model discloses a beneficial effect:

[0013] The utility model provides a spline shaft grinding machine processing positioning frock, through setting up clamping component, through the control motor starts, can drive rotating shaft and rotate, to drive special-shaped cam rotation, because the one end of contact column is in contact with the outer surface of special-shaped cam, along with special-shaped cam rotation, when the slope of special-shaped cam outside is bigger and bigger, can drive one end of clamping plate to the outside of top plate movement, and then make the other end of clamping plate to the direction of spline shaft movement, can complete the quick and stable clamping of spline shaft, to realize the purpose of quick clamping and dismounting of spline shaft, replace the existing cumbersome clamping process, greatly improve the efficiency of production.

[0014] The utility model provides a spline shaft grinding machine processing positioning frock, through setting up protection component, in the process of clamping spline shaft, can drive connecting shaft movement synchronously, protection oil in the inside of box body is inhaled to the inside of tank body through connecting pipe, then when clamping plate moves to the opposite direction, can drive sealing clamping disc to move to the direction of far from clamping plate, extrude the protection oil inhaled to the inside of liquid outlet pipe, finally through rectangular pipe and nozzle and spray out to spline shaft, realize the protection after the processing of spline shaft. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

[0016] Figure 1 is a perspective view of the present application;

[0017] Figure 2 is a schematic diagram of a special-shaped cam structure in the present application;

[0018] Figure 3 is a schematic diagram of an overall front view structure in the present application;

[0019] Figure 4 is a schematic diagram of a tank body cross-sectional structure in the present application.

[0020] Legend:

[0021] 1, base; 2, stand; 3, top plate; 4, spline shaft; 5, movable groove; 6, mounting frame; 7, clamping plate; 8, clamping frame; 9, contact column; 10, rotating shaft; 11, special-shaped cam; 12, gear one; 13, positioning plate; 14, motor; 15, gear two; 16, L-shaped mounting plate; 17, box body; 18, connecting pipe; 19, one-way valve one; 20, tank body; 21, liquid outlet pipe; 22, one-way valve two; 23, support column; 24, rectangular pipe; 25, spray head; 26, connecting shaft; 27, sealing clamping disc; 28, support. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Specific embodiments are given below.

[0024] Please refer to Figures 1-4 The present application provides a spline shaft grinding machine machining positioning tool, which comprises a base 1, the upper portion of the base 1 is provided with a top plate 3, the top surface of the base 1 and the bottom surface of the top plate 3 are both fixedly connected with a stand 2 at the four corners, the top surface of the top plate 3 is placed with a spline shaft 4, the inside of the top plate 3 is provided with a clamping assembly, and the two sides of the base 1 are provided with an oil injection assembly.

[0025] The clamping assembly comprises a rotating shaft 10 rotatably arranged between the top plate 3 and the base 1, the outer surface of the rotating shaft 10 is fixedly sleeved with a special-shaped cam 11, the top surface of the top plate 3 is provided with a movable groove 5 at both ends, the movable groove 5 is fixedly provided with a mounting frame 6 at both sides, the mounting frame 6 is internally provided with a clamping plate 7, the top end of the clamping plate 7 is fixedly provided with a clamping frame 8, the outer surface of the rotating shaft 10 is fixedly sleeved with the special-shaped cam 11, one side of the clamping plate 7 is provided with a contact column 9, one end of the contact column 9 is in contact with the outer surface of the special-shaped cam 11, one side surface of the top plate 3 is fixedly provided with a positioning plate 13, the bottom surface of the positioning plate 13 is fixedly provided with a motor 14, the output end of the motor 14 is fixedly provided with a gear two 15, the outer surface of the rotating shaft 10 is fixedly provided with a gear one 12, the gear one 12 and the gear two 15 are in meshing with each other, and the inside of the mounting frame 6 is provided with a coil spring which can drive the clamping plate 7 to reset.

[0026] In work, during clamping of the spline shaft 4, first, the spline shaft 4 is placed in the middle of the top surface of the top plate 3, then the motor 14 is started by control, during rotation of the gear two 15 driven by the motor 14, the rotating shaft 10 is driven to rotate due to the meshing between the gear two 15 and the gear one 12, thereby driving the special-shaped cam 11 to rotate, and since one end of the contact column 9 is in contact with the outer surface of the special-shaped cam 11, with rotation of the special-shaped cam 11, when the slope surface on the outside of the special-shaped cam 11 becomes larger and larger, one end of the clamping plate 7 is driven to move outward of the top plate 3, thereby making the other end of the clamping plate 7 move toward the spline shaft 4, until the clamping frame 8 installed at one end of the clamping plate 7 is tightly attached to the outer surface of the spline shaft 4, thereby completing fast and stable clamping of the spline shaft 4, conversely, when the gear two 15 is reversely rotated driven by the motor 14, the moving direction of the clamping plate 7 is reversed, thereby making the spline shaft 4 lose clamping, thereby achieving the purpose of fast clamping of the spline shaft 4, and the structure is simple and practical, and is applicable to clamping operation of spline shafts 4 with different diameters.

[0027] Further, as Figures 1-4As shown, the oil injection assembly comprises two L-shaped mounting plates 16 symmetrically mounted, the inside of the L-shaped mounting plates 16 is fixedly mounted with a box body 17 and a tank body 20, the box body 17 and the tank body 20 are fixedly connected with a connecting pipe 18, the outer surface of the connecting pipe 18 is fixedly mounted with a one-way valve 19, the outer surface of the tank body 20 is fixedly connected with a liquid outlet pipe 21, the outer surface of the liquid outlet pipe 21 is fixedly mounted with a one-way valve 22, the inside of the tank body 20 movably clamps a sealing clamping disc 27, the side surface of the sealing clamping disc 27 movably connects with a connecting shaft 26, the bottom surface of the clamping plate 7 is fixedly mounted with a support 28, the other end of the connecting shaft 26 movably connects with the inside of the support 28, the top surface of the clamping plate 7 is fixedly connected with a supporting column 23, the top end of the supporting column 23 is fixedly mounted with a rectangular pipe 24, the side surface of the rectangular pipe 24 is fixedly connected with a plurality of spray heads 25.

[0028] When the clamping plate 7 moves to the outside of the top plate 3 at one end below the top plate 3, that is, in the process of clamping the spline shaft 4, the connecting shaft 26 can be driven to move synchronously, the protective oil in the box body 17 is sucked into the inside of the tank body 20 through the connecting pipe 18, then when the clamping plate 7 moves in the opposite direction, that is, in the process of disassembling the spline shaft 4, the sealing clamping disc 27 can be driven to move away from the clamping plate 7, the sucked protective oil is extruded into the inside of the liquid outlet pipe 21, and finally sprayed to the spline shaft 4 through the rectangular pipe 24 and the spray head 25, realizing the protection of the spline shaft 4 after machining, wherein the protective oil can be mineral oil-based rust-proof oil or synthetic oil-based rust-proof oil.

[0029] The supporting column 23 is of a telescopic structure, which can control the height of the rectangular pipe 24, thereby being suitable for machining spline shafts 4 of different heights, and greatly increasing the practicability of the device as a whole.

[0030] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A spline shaft grinding machine processing positioning tooling device, comprising a base (1), characterized in that: The top plate (3) is arranged above the base (1), four corners of the top surface of the base (1) and four corners of the bottom surface of the top plate (3) are fixedly connected with the stand column (2), the top surface of the top plate (3) is placed with the spline shaft (4), the inside of the top plate (3) is provided with the clamping assembly, and the two sides of the base (1) are provided with the oil injection assembly.

2. The spline shaft grinder processing positioning tool according to claim 1, characterized in that: The clamping assembly comprises a rotating shaft (10) which is rotatably installed between the top plate (3) and the base (1), the outer surface of the rotating shaft (10) is fixedly sleeved with a special-shaped cam (11), both ends of the top surface of the top plate (3) are provided with a movable groove (5), the movable groove (5) is fixedly installed with a mounting bracket (6) on both sides, the inside of the mounting bracket (6) is installed with a clamping plate (7), and the top end of the clamping plate (7) is fixedly installed with a clamping frame (8).

3. The spline shaft grinder processing positioning tooling according to claim 2, characterized in that: The outer surface of the rotating shaft (10) is fixedly sleeved with a special-shaped cam (11), one side of the clamping plate (7) is provided with a contact column (9), and one end of the contact column (9) is in contact with the outer surface of the special-shaped cam (11).

4. The spline shaft grinder processing positioning tooling according to claim 3, characterized in that: One side surface of the top plate (3) is fixedly installed with a positioning plate (13), the bottom surface of the positioning plate (13) is fixedly installed with a motor (14), the output end of the motor (14) is fixedly installed with a gear two (15), the outer surface of the rotating shaft (10) is fixedly installed with a gear one (12), and the gear one (12) and the gear two (15) are in meshing relationship.

5. The spline shaft grinder processing positioning tooling according to claim 4, characterized in that: The oil injection assembly comprises an L-shaped mounting plate (16), the number of the L-shaped mounting plate (16) is two, the two L-shaped mounting plates (16) are symmetrically installed, the inside of the L-shaped mounting plate (16) is fixedly installed with a box body (17) and a tank body (20), the box body (17) and the tank body (20) are fixedly connected with a connecting pipe (18), the outer surface of the connecting pipe (18) is fixedly installed with a one-way valve one (19), the outer surface of the tank body (20) is fixedly connected with a liquid outlet pipe (21), and the outer surface of the liquid outlet pipe (21) is fixedly installed with a one-way valve two (22).

6. The spline shaft grinder processing positioning tooling according to claim 5, characterized in that: The inside of the tank body (20) is movably clamped with a sealing clamping disc (27), one side surface of the sealing clamping disc (27) is movably connected with a connecting shaft (26), the bottom surface of the clamping plate (7) is fixedly installed with a support (28), the other end of the connecting shaft (26) is movably connected in the inside of the support (28), the top surface of the clamping plate (7) is fixedly connected with a supporting column (23), the top end of the supporting column (23) is fixedly installed with a rectangular tube (24), and one side surface of the rectangular tube (24) is fixedly connected with a plurality of spray heads (25).

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