Limiting tool

Abstract

The utility model relates to the technical field of part assembly, and discloses a limiting tool which comprises a limiting module installation bottom plate, two sets of transversely-fixed limiting module sliding bottom plate installation sliding rails are arranged at the top end of the limiting module installation bottom plate, and a limiting module sliding bottom plate is arranged at the top between the limiting module sliding bottom plate installation sliding rails. The front end and the rear end of the bottom of the limiting module sliding bottom plate are each provided with two sets of limiting module sliding bottom plate sliding bases. According to the limiting tool, the limiting driving part front-back moving electric cylinder, the workpiece switching left electric cylinder, the workpiece switching right electric cylinder and other assemblies are arranged, limiting of a brake main cylinder is relieved, a next workpiece is switched for press fitting, adaptive adjustment can be conducted according to the size of a steel ball, manual operation is not needed, and the problems that the limiting tool is limited in structural adaptability, and the working efficiency is high are solved. The problems that flexible adjustment cannot be conducted according to steel balls of different sizes, the assembly effect is affected due to the low fixing force of a workpiece, and the steel balls cannot be rapidly guided in are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of part assembly, and particularly relates to a limit tooling. Background Art

[0002] The steel ball press-fitting utilizes the pressure of the steel ball to realize the assembly of parts. By selecting appropriate steel ball sizes and quantities, the steel balls are placed between the parts to be assembled, and then pressure is applied to press the steel balls tightly, thereby realizing the assembly of parts. During the press-fitting process, the steel balls can evenly distribute the pressure, making the part assembly more stable and reliable.

[0003] When parts are press-fitted, it is necessary to limit and fix the workpiece to ensure that the workpiece does not displace and affect the accuracy of assembly. At present, the structural adaptability of the existing limit tooling is limited, and it cannot be flexibly adjusted according to different sizes of steel balls. The fixing force of the workpiece is relatively low, which affects the assembly effect and results in the inability to quickly introduce the steel balls.

[0004] Therefore, a new type of limit tooling is proposed to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a limit tooling to solve the problems in the above background art that the structural adaptability of the limit tooling is limited, it cannot be flexibly adjusted according to different sizes of steel balls, the fixing force of the workpiece is relatively low, which affects the assembly effect, and the steel balls cannot be quickly introduced.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a limit tooling, including a limit module installation base plate. At the top of the limit module installation base plate, there are two groups of horizontally fixed limit module sliding base plate installation slide rails. At the top between the limit module sliding base plate installation slide rails, there is a limit module sliding base plate, and at the front and rear ends of the bottom of the limit module sliding base plate, there are two groups of limit module sliding base plate sliding seats respectively;

[0007] The limit module sliding base plate sliding seats are sleeved outside the limit module sliding base plate installation slide rails. Horizontally and fixedly connected to the top of the limit module sliding base plate is a positioning slide rail. Above the positioning slide rail, from left to right, there are a first fixed part installation plate and a second fixed part installation plate. On the limit module sliding base plate on the left side of the first fixed part installation plate, there is a workpiece switching left electric cylinder installed. On the limit module sliding base plate on the right side of the second fixed part installation plate, there is a workpiece switching right electric cylinder installed. The output ends of the workpiece switching left electric cylinder and the workpiece switching right electric cylinder are respectively fixedly connected to the first fixed part installation plate and the second fixed part installation plate. The bottoms of the first fixed part installation plate and the second fixed part installation plate are both sleeved outside the positioning slide rail;

[0008] Preferably, a first fixing part is fixedly connected to the top of the first fixing part mounting plate, and a movable first movable part is arranged inside the first fixing part. A first pushing plate is arranged on the first fixing part mounting plate at the rear end of the first fixing part. A second fixing part is fixedly connected to the top end of the second fixing part mounting plate. A second pushing plate is arranged on the second fixing part mounting plate at the rear end of the second fixing part. A movable second movable part is arranged inside the second fixing part.

[0009] Preferably, two sets of external rods are fixed to the rear ends of the first fixing part and the second fixing part, and the first pushing plate or the second pushing plate is sleeved on the external rod.

[0010] Preferably, a limit driving part slide rail is horizontally fixed on the limit module mounting base plate at the rear end of the limit module sliding base plate, and a limit driving part sliding seat is arranged above the limit driving part slide rail. The bottom of the limit driving part sliding seat is sleeved outside the limit driving part slide rail. The limit driving part sliding seat is placed above the limit module mounting base plate. A limit driving part front and rear moving electric cylinder is fixedly connected to the top of the limit driving part sliding seat, and a workpiece pushing block is fixedly connected to the output end of the limit driving part front and rear moving electric cylinder.

[0011] Preferably, a limit driving part left and right moving electric cylinder is installed on the limit module mounting base plate on the right side of the limit driving part slide rail, and the output end of the limit driving part left and right moving electric cylinder is fixedly connected to the limit driving part sliding seat.

[0012] Preferably, a side calibration part mounting table is installed on the right side of the top of the limit module sliding base plate, and a side calibration part up and down moving electric cylinder is installed at the front end of the side calibration part mounting table. A side calibration part left and right moving electric cylinder is installed at the output end of the side calibration part up and down moving electric cylinder, and a side calibration head is installed at the output end of the side calibration part left and right moving electric cylinder.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] (1) After determining the workpiece to be press-fitted, start the limit driving part left and right moving electric cylinder to adjust the horizontal position of the limit driving part front and rear moving electric cylinder, so that the workpiece pushing block can be connected to a suitable first pushing plate or second pushing plate. When removing the completed workpiece and adding a new workpiece, start the workpiece switching left electric cylinder or the workpiece switching right electric cylinder to push the first fixing part or the second fixing part to the position where press-fitting is required. Start the limit driving part front and rear moving electric cylinder, and use the limit driving part front and rear moving electric cylinder to push the workpiece pushing block to send the workpiece (brake master cylinder) to the predetermined position and complete the limiting.

[0015] (2) After the steel balls are pressed and installed, the workpiece pushing block retracts. Affected by the hooked spring, the first movable part or the second movable part drops, releasing the limit of the brake master cylinder, and switching to the next workpiece for pressing. The number of the first fixing part or the second fixing part corresponds to the number of the steel ball pressing modules, and both of them can be switched to realize the steel ball pressing of brake master cylinders of multiple models. The side calibration head is used for calibrating and limiting the workpiece. Two notches are provided on one side of the workpiece, and a reserved notch matching the aforementioned notch is provided on the left side of the side calibration head to prevent dust from entering the workpiece during pressing;

[0016] (3) After being powered on, use the up and down moving cylinder of the side calibration part to adjust the up and down position of the side calibration head, and use the left and right moving cylinder of the side calibration part to adjust the left and right position of the side calibration head, so that the side calibration head fits the side of the workpiece to achieve calibration and limiting. Description of the Drawings

[0017] Figure 1 is a three-dimensional structural schematic diagram of the limiting tooling of the present utility model;

[0018] Figure 2 is a rear three-dimensional structural schematic diagram of the limiting tooling of the present utility model;

[0019] Figure 3 is Figure 2 the front view structural schematic diagram of;

[0020] Figure 4 is a side view structural sectional view of the connection relationship between the first / second fixing part, the first / second movable part and the first / second pushing plates of the present utility model;

[0021] Figure 5 is a three-dimensional structural schematic diagram of the connection relationship between the first / second fixing part, the first / second movable part and the first / second pushing plates of the present utility model.

[0022] In the figure: 1. Up and down moving cylinder of the side calibration part; 2. Left and right moving cylinder of the side calibration part; 3. Side calibration head; 4. First movable part; 5. First fixing part; 6. Sliding bottom plate of the limiting module; 7. Mounting plate of the first fixing part; 8. Mounting plate of the second fixing part; 9. Mounting bottom plate of the limiting module; 10. Left electric cylinder for workpiece switching; 11. Mounting rail of the sliding bottom plate of the limiting module; 12. Sliding seat of the sliding bottom plate of the limiting module; 13. Rail of the limiting driving part; 14. First pushing plate; 15. Front and back moving cylinder of the limiting driving part; 16. Sliding seat of the limiting driving part; 17. Workpiece pushing block; 18. Left and right moving electric cylinder of the limiting driving part; 19. Second pushing plate; 20. Mounting table of the side calibration part; 21. Right electric cylinder for workpiece switching; 22. Second fixing part; 23. Second movable part; 24. Positioning rail. Detailed Embodiment

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] A limiting tooling includes a limiting module mounting base plate 9. At the top of the limiting module mounting base plate 9, there are two groups of horizontally fixed limiting module sliding base plate mounting rails 11. At the top between the limiting module sliding base plate mounting rails 11, there is a limiting module sliding base plate 6. At the front and rear ends of the bottom of the limiting module sliding base plate 6, there are two groups of limiting module sliding base plate sliding seats 12 respectively.

[0025] The limiting module sliding base plate sliding seats 12 are sleeved outside the limiting module sliding base plate mounting rails 11. Horizontally and fixedly connected to the top of the limiting module sliding base plate 6 is a positioning rail 24. Above the positioning rail 24, from left to right, there are a first fixed part mounting plate 7 and a second fixed part mounting plate 8. On the limiting module sliding base plate 6 on the left side of the first fixed part mounting plate 7, a workpiece switching left electric cylinder 10 is installed. On the limiting module sliding base plate 6 on the right side of the second fixed part mounting plate 8, a workpiece switching right electric cylinder 21 is installed. The output ends of the workpiece switching left electric cylinder 10 and the workpiece switching right electric cylinder 21 are respectively fixedly connected to the first fixed part mounting plate 7 and the second fixed part mounting plate 8. The bottoms of the first fixed part mounting plate 7 and the second fixed part mounting plate 8 are both sleeved outside the positioning rail 24.

[0026] When in use, after determining the workpiece to be pressed, start the limiting driving part left and right moving electric cylinder 18 to adjust the horizontal position of the limiting driving part front and rear moving electric cylinder 15, so that the workpiece pushing block 17 can be connected to the appropriate first pushing plate 14 or second pushing plate 19. When removing the completed workpiece and adding a new workpiece, start the workpiece switching left electric cylinder 10 or the workpiece switching right electric cylinder 21 to push the first fixed part 5 or the second fixed part 22 to the position where pressing is required. Start the limiting driving part front and rear moving electric cylinder 15, and use the limiting driving part front and rear moving electric cylinder 15 to push the workpiece pushing block 17 to send the workpiece braking master cylinder to the predetermined position and complete the limiting.

[0027] Fixedly connected to the top of the first fixed part mounting plate 7 is a first fixed part 5. Inside the first fixed part 5, there is a movable first movable part 4. On the first fixed part mounting plate 7 at the rear end of the first fixed part 5, there is a first pushing plate 14. Fixedly connected to the top of the second fixed part mounting plate 8 is a second fixed part 22. On the second fixed part mounting plate 8 at the rear end of the second fixed part 22, there is a second pushing plate 19. Inside the second fixed part 22, there is a movable second movable part 23.

[0028] Two sets of external rods are fixed to the rear ends of the first fixing part 5 and the second fixing part 22, and the first pushing plate 14 or the second pushing plate 19 is sleeved on the external rods.

[0029] During use, the contact surfaces between the first pushing plate 14 and the first moving part 4 or between the second pushing plate 19 and the second moving part 23 are respectively located at the bottoms of the first moving part 4 or the second moving part 23, and the two sets of the foregoing contact surfaces are inclined surfaces, thereby improving the lifting stability. Bolts 1 are fixed to the bottoms on both sides of the first fixing part 5 and the second fixing part 22, U-shaped grooves are formed on both sides at the tops of the first fixing part 5 and the second fixing part 22, bolts 2 are fixed to the tops on both sides of the first moving part 4 and the second moving part 23, and hook springs are hung between the bolts 1 and the bolts 2 to provide elastic force for the return of the first moving part 4 or the second moving part 23. And the foregoing bolts 1 are all embedded in the foregoing U-shaped grooves. Since the vertical lengths of the first moving part 4 or the second moving part 23 are shorter than those of the first fixing part 5 and the second fixing part 22, when the first moving part 4 or the second moving part 23 is in the initial placement position, the upper end surfaces are flush with the first fixing part 5 and the second fixing part 22.

[0030] A limit driving part slide rail 13 is horizontally fixed on a limit module mounting base plate 9 at the rear end of a limit module sliding base plate 6, and a limit driving part sliding seat 16 is arranged above the limit driving part slide rail 13. The bottom of the limit driving part sliding seat 16 is sleeved outside the limit driving part slide rail 13. The limit driving part sliding seat 16 is placed above the limit module mounting base plate 9. A limit driving part front and rear moving electric cylinder 15 is fixedly connected to the top of the limit driving part sliding seat 16, and a workpiece pushing block 17 is fixedly connected to the output end of the limit driving part front and rear moving electric cylinder 15.

[0031] A limit driving part left and right moving electric cylinder 18 is installed on the limit module mounting base plate 9 on the right side of the limit driving part slide rail 13, and the output end of the limit driving part left and right moving electric cylinder 18 is fixedly connected to the limit driving part sliding seat 16.

[0032] A side calibration part mounting table 20 is installed on the right side at the top of the limit module sliding base plate 6, a side calibration part up and down moving electric cylinder 1 is installed at the front end of the side calibration part mounting table 20, a side calibration part left and right moving electric cylinder 2 is installed at the output end of the side calibration part up and down moving electric cylinder 1, and a side calibration head 3 is installed at the output end of the side calibration part left and right moving electric cylinder 2.

[0033] During use, after the steel balls are press-fitted, the workpiece pushing block 17 retracts. Affected by the hooked spring, the first movable part 4 or the second movable part 23 drops, releasing the limit of the brake master cylinder, and switching to the next workpiece for press-fitting. The number of the first fixing part 5 or the second fixing part 22 corresponds to the number of steel ball press-fitting modules, and both of them can be switched to achieve the steel ball press-fitting of brake master cylinders of multiple models. The side calibration head 3 is used for the calibration and limiting of the workpiece. Two notches are provided on one side of the workpiece, and a reserved notch matching the aforementioned notch is provided on the left side of the side calibration head 3 to prevent dust from entering the workpiece during press-fitting.

[0034] Working principle: When the present utility model is in use, after determining the workpiece to be press-fitted, start the limit driving part left and right moving cylinder 18 to adjust the horizontal position of the limit driving part front and back moving cylinder 15, so that the workpiece pushing block 17 can be connected to the appropriate first pushing plate 14 or the second pushing plate 19. When removing the completed workpiece and adding a new workpiece, start the workpiece switching left cylinder 10 or the workpiece switching right cylinder 21 to push the first fixing part 5 or the second fixing part 22 to the position where press-fitting is required. Start the limit driving part front and back moving cylinder 15, and use the limit driving part front and back moving cylinder 15 to push the workpiece pushing block 17 to send the workpiece brake master cylinder to the predetermined position and complete the limiting. After the steel balls are press-fitted, the workpiece pushing block 17 retracts. Affected by the hooked spring, the first movable part 4 or the second movable part 23 drops, releasing the limit of the brake master cylinder, and switching to the next workpiece for press-fitting. The number of the first fixing part 5 or the second fixing part 22 corresponds to the number of steel ball press-fitting modules, and both of them can be switched to achieve the steel ball press-fitting of brake master cylinders of multiple models. The side calibration head 3 is used for the calibration and limiting of the workpiece. Two notches are provided on one side of the workpiece, and a reserved notch matching the aforementioned notch is provided on the left side of the side calibration head 3 to prevent dust from entering the workpiece during press-fitting. After being powered on, use the side calibration part up and down moving cylinder 1 to adjust the up and down position of the side calibration head 3, and use the side calibration part left and right moving cylinder 2 to adjust the left and right position of the side calibration head 3, so that the side calibration head 3 fits with the side of the workpiece to achieve calibration and limiting.

[0035] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to include all changes falling within the meaning and scope of the equivalent elements of the claims in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. A limiting tooling, comprising a bottom plate (9) for installing a limiting module, characterized in that: At the top of the limiting module mounting base plate (9), there are two sets of horizontally fixed limiting module sliding base plate mounting slide rails (11). At the top between the limiting module sliding base plate mounting slide rails (11), there is a limiting module sliding base plate (6), and at the front and rear ends of the bottom of the limiting module sliding base plate (6), there are two sets of limiting module sliding base plate sliding seats (12) respectively. The limiting module sliding base plate sliding seats (12) are sleeved outside the limiting module sliding base plate mounting slide rails (11). Horizontally and fixedly connected to the top of the limiting module sliding base plate (6) is a positioning slide rail (24). Above the positioning slide rail (24), from left to right, there are a first fixing part mounting plate (7) and a second fixing part mounting plate (8). On the limiting module sliding base plate (6) on the left side of the first fixing part mounting plate (7), a workpiece switching left electric cylinder (10) is installed. On the limiting module sliding base plate (6) on the right side of the second fixing part mounting plate (8), a workpiece switching right electric cylinder (21) is installed. The output ends of the workpiece switching left electric cylinder (10) and the workpiece switching right electric cylinder (21) are respectively fixedly connected to the first fixing part mounting plate (7) and the second fixing part mounting plate (8). The bottoms of the first fixing part mounting plate (7) and the second fixing part mounting plate (8) are both sleeved outside the positioning slide rail (24).

2. The a position-limiting tooling according to claim 1, characterized in that: Fixedly connected to the top of the first fixing part mounting plate (7) is a first fixing part (5), and inside the first fixing part (5), there is a movable first movable part (4). On the first fixing part mounting plate (7) at the rear end of the first fixing part (5), there is a first pushing plate (14). Fixedly connected to the top of the second fixing part mounting plate (8) is a second fixing part (22). On the second fixing part mounting plate (8) at the rear end of the second fixing part (22), there is a second pushing plate (19). Inside the second fixing part (22), there is a movable second movable part (23).

3. The positioning tooling according to claim 2, characterized in that: At the rear ends of both the first fixing part (5) and the second fixing part (22), there are two sets of external connecting rods, and the first pushing plate (14) or the second pushing plate (19) is sleeved on the external connecting rods.

4. A limiting tooling according to claim 1, characterized in that: Horizontally and fixedly mounted on the limiting module mounting base plate (9) at the rear end of the limiting module sliding base plate (6) is a limiting driving part slide rail (13). Above the limiting driving part slide rail (13), there is a limiting driving part sliding seat (16). The bottom of the limiting driving part sliding seat (16) is sleeved outside the limiting driving part slide rail (13). The limiting driving part sliding seat (16) is placed above the limiting module mounting base plate (9). Fixedly connected to the top of the limiting driving part sliding seat (16) is a limiting driving part front - rear moving electric cylinder (15), and the output end of the limiting driving part front - rear moving electric cylinder (15) is fixedly connected to a workpiece pushing block (17).

5. The positioning tooling according to claim 4, wherein: Mounted on the limiting module mounting base plate (9) on the right side of the limiting driving part slide rail (13) is a limiting driving part left - right moving electric cylinder (18), and the output end of the limiting driving part left - right moving electric cylinder (18) is fixedly connected to the limiting driving part sliding seat (16).

6. The positioning tooling according to claim 1, characterized in that: On the right side of the top of the sliding bottom plate (6) of the limit module, a side calibration part mounting table (20) is installed, and a side calibration part up and down moving electric cylinder (1) is installed at the front end of the side calibration part mounting table (20). The output end of the side calibration part up and down moving electric cylinder (1) is installed with a side calibration part left and right moving electric cylinder (2), and the output end of the side calibration part left and right moving electric cylinder (2) is installed with a side calibration head (3).

Images