Rapid clamping tool for machining of large motor end cover
By using adjustable positioning and clamping mechanisms in the motor end cover clamping tool, problems such as insufficient accuracy and low efficiency during the motor end cover clamping process are solved, and a fast and accurate clamping process is achieved to adapt to motor end covers of different sizes.
Patent Information
- Application Number
- CN202421068304.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-05-16
AI Technical Summary
When clamping motor end covers on vertical carriage or CNC gantry milling, there are problems such as insufficient accuracy, low efficiency, safety problems, poor stability, poor repeatability and difficulty in adapting to motor end covers of different sizes.
A large motor end cover is used to process a quick clamping tool, including an adjustable positioning mechanism and an adjustable clamping mechanism symmetrically arranged on the base of the clamp. Through the adjustable positioning and clamping mechanism, the rapid clamping processing of the large motor end cover is realized.
It greatly shortens the clamping time, improves production efficiency, ensures smooth fixation of the motor cover, achieves accurate and consistent positioning and positioning, adapts to motor end covers of different sizes, and improves the versatility and efficiency of tooling.
Smart Images
Figure CN222660242U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mechanical manufacturing and processing, in particular to a fast clamping tool for machining a large motor end cover. Background Art
[0002] When clamping the motor end cover on a vertical lathe or CNC gantry milling machine, the following disadvantages may occur:
[0003] Insufficient precision: If special fixtures or auxiliary tooling are not used, it is difficult to ensure the precise alignment between the motor end cover and the machine tool spindle or fixture by manual clamping. This may lead to insufficient dimensional accuracy and shape accuracy of the motor end cover after processing, thus affecting the overall performance and assembly quality of the motor.
[0004] Inefficiency: Manual clamping takes a lot of time to position and fix. Especially when dealing with large and heavy motor end covers, this process may be more time-consuming and affect the productivity of the entire processing process.
[0005] Safety issues: During the clamping process, operators need to frequently contact and operate large and heavy motor end covers, which increases the risk of accidents. If the operation is improper or the fixture design is unreasonable, the motor end cover may slip or move, causing personal injury or equipment damage.
[0006] Poor stability: Without special fixtures or auxiliary tooling, the motor end cover may shake or shift during processing. This not only affects the processing quality, but may also damage the accuracy and life of the machine tool.
[0007] Poor repeatability: Manual clamping usually cannot guarantee the repeatability and consistency of each clamping. This may lead to product differences between different batches or different operators, affecting the overall quality and stability of the product.
[0008] Difficulty adapting to motor end covers of different sizes: Manual clamping often has difficulty adapting to motor end covers of different sizes and shapes. This may require the use of different clamps, increasing the complexity and time cost of the operation.
[0009] The motor end cover takes a long time to align: If a single-acting four-jaw chuck is used for positioning and clamping, the centering and adjustment clamping time is long, sometimes up to half an hour, which affects the processing efficiency. Utility Model Content
[0010] The utility model aims to provide a fast clamping tool for machining a large motor end cover, which has the advantages of short clamping time, simple operation, strong adaptability, etc.; through an adjustable positioning mechanism and a clamping mechanism, fast clamping processing of the large motor end cover is achieved.
[0011] To achieve the above-mentioned purpose, the present application proposes a large motor end cover machining quick clamping fixture, including an adjustable positioning mechanism and an adjustable clamping mechanism symmetrically arranged on a fixture base;
[0012] The adjustable positioning mechanism includes a first hand wheel, the first hand wheel is connected to the end of the first adjusting screw, the first adjusting screw is rotatably connected to a first copper nut, the first copper nut is fixed to the bottom of the first V-shaped block, the bottom of the first V-shaped block is also provided with a first center slider, and the first center slider slides on the first center line rail;
[0013] The adjustable clamping mechanism includes a second hand wheel, which is connected to the end of the second adjusting screw. The second adjusting screw is rotatably connected to a second copper nut, which is fixed to the bottom of the movable plate. A third center slider is also provided at the bottom of the movable plate, and the third center slider slides on a third center line rail. A second center line rail is provided on the movable plate, and the second center line rail is connected to the second center slider. The second center slider is fixed to the bottom of the second V-block, and the second V-block is connected to the electric push cylinder through a pin shaft.
[0014] Furthermore, a Z-direction support block is distributed on the fixture base, and the motor end cover is located on the Z-direction support block.
[0015] Furthermore, scale lines are provided on the fixture base, and the scale lines are respectively located below the adjustable positioning mechanism and the adjustable clamping mechanism.
[0016] Furthermore, a first side slider is symmetrically provided at the bottom of the first V-shaped block, the first side slider is located on both sides of the first center slider, and the first side slider slides on the corresponding first side linear rail; a second side slider is symmetrically provided at the bottom of the second V-shaped block, the second side slider is located on both sides of the second center slider, and the second side slider slides on the corresponding second side linear rail; a third side slider is symmetrically provided at the bottom of the movable plate, the third side slider is located on both sides of the third center slider, and the third side slider slides on the corresponding third side linear rail.
[0017] Furthermore, the electric push cylinder is connected to a lithium battery.
[0018] Furthermore, first angular contact ball bearings are sleeved on the head end and the tail end of the first adjusting screw respectively, and the first angular contact ball bearing is installed in the corresponding first bearing seat through the first hole by using an elastic retaining ring.
[0019] Furthermore, second angular contact ball bearings are sleeved on the head end and the tail end of the second adjusting screw respectively, and the second angular contact ball bearing is installed in the corresponding second bearing seat through the second hole by using an elastic retaining ring.
[0020] Furthermore, a balancing block is provided at the bottom of the first V-shaped block.
[0021] As a further feature, a clamping and fixing block is sleeved on the first adjusting screw, and the clamping and fixing block is connected to a first angular contact ball bearing located at the head end.
[0022] As a further feature, a locking rod is sleeved on the second adjusting screw, and the locking rod is connected to a second angular contact ball bearing located at the head end.
[0023] Compared with the prior art, the above technical solution adopted by the utility model has the following advantages: the tooling can greatly shorten the clamping time, improve production efficiency, realize the stable fixation of the motor cover, and ensure that the workpiece has accurate and consistent positioning and position during the processing. This helps the motor end cover to be processed in the correct position, protects the size and tolerance during the processing, and thus improves the processing accuracy. The adjustable positioning mechanism and the adjustable clamping mechanism are used to adapt to motor end covers of different sizes, thereby improving the versatility and use efficiency of the tooling. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 Top and side views of the quick clamping tooling for machining large motor end covers;
[0025] Figure 2 is a cross-sectional view of an adjustable positioning mechanism;
[0026] Figure 3 is a cross-sectional view of an adjustable clamping mechanism;
[0027] Wherein: 1- fixture base, 2- adjustable positioning mechanism, 3- adjustable clamping mechanism, 4- motor end cover, 5- first side rail, 6- first center slider, 7- first first wheel, 8- first adjusting screw, 9- clamping fixed block, 10- first bearing seat, 11- first copper nut, 12- balancing block, 13- first V-shaped block, 14- first center rail, 15- first washer, 16- first angular contact ball bearing, 17- elastic retaining ring for first hole, 18- Z-direction positioning block, 19- second washer, 20- first bearing seat, 21- third center rail, 22- second V-shaped block, 23- second center slider, 24- third center slider, 25- second center rail, 26- moving plate, 27- pin shaft, 28- positioning pin, 29- lithium battery, 30- electric push cylinder, 31- second bearing seat, 32- locking rod, 33- second hand wheel, 34- second adjusting screw. DETAILED DESCRIPTION
[0028] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.
[0029] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0030] In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" means two or more, unless otherwise clearly and specifically defined. "Several" means one or more, unless otherwise clearly and specifically defined.
[0031] In the description of the present application, it should be understood that the terms "center", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0032] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0033] Please refer to 1- Figure 3 , This embodiment provides a large motor end cover machining quick clamping tool, including an adjustable positioning mechanism and an adjustable clamping mechanism symmetrically arranged on a fixture base, and a plurality of Z-direction support blocks, preferably 4, are distributed on the fixture base, and the motor end cover is located on the Z-direction support block;
[0034] The adjustable positioning mechanism comprises a first hand wheel, which is connected to the end of the first adjusting screw, and a first copper nut is rotatably connected to the first adjusting screw, and the first copper nut is fixed to the bottom of the first V-shaped block, and a first center slider is also provided at the bottom of the first V-shaped block, and the first center slider slides on the first center linear rail; the first V-shaped block is symmetrically provided with first side sliders at the bottom, and the first side sliders are located on both sides of the first center slider, and the first side sliders slide on the corresponding first side linear rails; preferably, the head end and the tail end of the first adjusting screw are respectively sleeved with first angular contact ball bearings, and the first angular contact ball bearings are installed in the corresponding first bearing seat through the first hole with an elastic retaining ring; wherein the first center linear rail and the first side linear rail are both placed on the fixture base through the first washer;
[0035] The adjustable clamping mechanism includes a second hand wheel connected to the end of the second adjusting screw, a second copper nut is rotatably connected to the second adjusting screw, the second copper nut is fixed to the bottom of the moving plate, a third central slider is also provided at the bottom of the moving plate, the third central slider slides on the third central linear rail, a third side slider is symmetrically provided at the bottom of the moving plate, the third side slider is located on both sides of the third central slider, and the third side slider slides on the corresponding third side linear rail; a second central linear rail is provided on the moving plate, the second central linear rail is connected to the second central slider, the second central slider is fixed to the bottom of the second V-shaped block, a second side slider is symmetrically provided at the bottom of the second V-shaped block, the second side slider is located on both sides of the second central slider, and the second side slider slides on the corresponding second side linear rail; the second V-shaped block is connected to the electric push cylinder through a pin shaft, and the electric push cylinder is connected to a lithium battery; the setting of the moving plate is to increase the adjustment stroke. Preferably, a second angular contact ball bearing is respectively sleeved at the head end and the tail end of the second adjusting screw, and the second angular contact ball bearing is installed in the corresponding second bearing seat through the second hole with an elastic retaining ring. The second side rail is placed on the movable plate through the positioning pin; the third center rail and the third side rail are placed on the fixture base through the second pad;
[0036] As a preferred implementation scheme provided in this embodiment, scale lines are provided on the clamp base, and the scale lines are respectively located below the adjustable positioning mechanism and the adjustable clamping mechanism to facilitate coarse adjustment of the first V-block and the second V-block according to motor end covers of different sizes.
[0037] In this embodiment, in order to prevent the adjustable clamping mechanism from rotating unbalancedly, a balancing block is provided at the bottom of the first V-shaped block.
[0038] When the above-mentioned tooling is in use, first adjust the positions of the first V-block and the second V-block according to the size of the motor end cover to be processed, then place the motor end cover on the Z-axis support block, lock the position of the first V-block by clamping the fixing block, start the electric push cylinder to lock the motor end cover, then use the locking rod to lock the second V-block, and then carry out subsequent processing.
[0039] The effect of this embodiment is that when clamping, the motor end cover is placed between the adjusted first V-block and the second V-block, and then the electric push cylinder is started to clamp, which greatly shortens the clamping time and saves production costs. The positioning and clamping positions are adjustable, and can be compatible with the switching of motor end covers of multiple sizes.
[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A quick clamping tool for machining large motor end caps, characterized in that: It includes an adjustable positioning mechanism and an adjustable clamping mechanism symmetrically arranged on the fixture base; The adjustable positioning mechanism includes a first hand wheel, the first hand wheel is connected to the end of the first adjusting screw, the first adjusting screw is rotatably connected to a first copper nut, the first copper nut is fixed to the bottom of the first V-shaped block, the bottom of the first V-shaped block is also provided with a first center slider, and the first center slider slides on the first center line rail; The adjustable clamping mechanism includes a second hand wheel, which is connected to the end of the second adjusting screw. The second adjusting screw is rotatably connected to a second copper nut, which is fixed to the bottom of the movable plate. A third center slider is also provided at the bottom of the movable plate, and the third center slider slides on a third center line rail. A second center line rail is provided on the movable plate, and the second center line rail is connected to the second center slider. The second center slider is fixed to the bottom of the second V-block, and the second V-block is connected to the electric push cylinder through a pin shaft.
2. According to claim 1, a large motor end cover machining quick clamping tool is characterized in that: A Z-direction support block is distributed on the fixture base, and the motor end cover is located on the Z-direction support block.
3. According to claim 1, a large motor end cover machining quick clamping tool is characterized in that: Graduation lines are arranged on the fixture base, and the graduation lines are respectively located below the adjustable positioning mechanism and the adjustable clamping mechanism.
4. According to claim 1, a large motor end cover machining quick clamping tool is characterized in that: A first side slider is symmetrically provided at the bottom of the first V-shaped block, the first side slider is located on both sides of the first center slider, and the first side slider slides on the corresponding first side linear rail; a second side slider is symmetrically provided at the bottom of the second V-shaped block, the second side slider is located on both sides of the second center slider, and the second side slider slides on the corresponding second side linear rail; a third side slider is symmetrically provided at the bottom of the movable plate, the third side slider is located on both sides of the third center slider, and the third side slider slides on the corresponding third side linear rail.
5. According to claim 1, a large motor end cover machining quick clamping tool is characterized in that: The electric push cylinder is connected to a lithium battery.
6. According to claim 1, a large motor end cover machining quick clamping tool is characterized in that: The first angular contact ball bearings are sleeved on the head end and the tail end of the first adjusting screw respectively. The first angular contact ball bearing is installed in the corresponding first bearing seat through the first hole by using an elastic retaining ring.
7. According to claim 1, a quick clamping tool for machining a large motor end cover is characterized in that: A second angular contact ball bearing is sleeved on the head end and the tail end of the second adjusting screw rod respectively. The second angular contact ball bearing is installed in the corresponding second bearing seat through the second hole by using an elastic retaining ring.
8. According to claim 1, a quick clamping tool for machining a large motor end cover is characterized in that: A balancing block is provided at the bottom of the first V-shaped block.
9. According to claim 1, a large motor end cover machining quick clamping tool is characterized in that: The first adjusting screw rod is also sleeved with a clamping and fixing block, which is connected to a first angular contact ball bearing located at the head end.
10. According to claim 1, a large motor end cover machining quick clamping tool is characterized in that: A locking rod is sleeved on the second adjusting screw rod, and the locking rod is connected to a second angular contact ball bearing located at the head end.