Flat grinding tool for end face of valve bridge
By designing the valve bridge end surface flat grinding tooling, and using screw linkage and sliding structures, stable fixation of different models of valve bridges is achieved, solving the problem of poor applicability of existing tooling and improving production efficiency.
Patent Information
- Application Number
- CN202422472117.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-10-14
AI Technical Summary
The existing valve bridge fixed tooling cannot be adjusted and cannot be suitable for different models of valve bridges, resulting in the need to prepare multiple tooling equipment, affecting production efficiency.
A valve bridge end surface flat grinding tool is designed, including a first fixing member, a second fixing member and an adjustment member. Through the linkage between the first screw and the second screw, the meshing between the main gear and the slave gear is achieved to adjust the spacing between the first fixing member and the second fixing member, and combine the sliding plate and the slide rail structure to accurately fix the valve bridge.
It realizes stable fixation of different models of valve bridges, improving the flexibility and efficiency of production and processing.
Smart Images
Figure CN223223024U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of valve bridge processing, in particular to a valve bridge end face flat grinding tool. Background Art
[0002] The valve bridge is a device used in the field of engine technology, especially suitable for four-valve diesel engines to ensure that the two intake valves or two exhaust valves can be opened and closed synchronously. Its bottom end surface needs to be polished smooth after forging.
[0003] In the existing technology, when grinding the valve bridge, it needs to be fixed. However, the tooling for fixing the valve bridge cannot be adjusted. It can only be used to fix a single type of valve bridge, and has poor applicability. It is necessary to prepare multiple valve bridge tooling to process different types of valve bridges, which is not conducive to the production operation of the valve bridge. Therefore, it is necessary to propose a valve bridge end face flat grinding tool to solve the above problem. Utility Model Content
[0004] The utility model aims to provide a valve bridge end face flat grinding tool, which has the effect of being applicable to the processing of valve bridges of different models.
[0005] The above-mentioned technical purpose of the present invention is achieved through the following technical solutions: a valve bridge end face flat grinding tool, including a valve bridge fixing tool, the valve bridge fixing tool including a first fixing part and a second fixing part for fixing the valve bridge and an adjusting component for adjusting the distance between the first fixing part and the second fixing part, the adjusting component including a first screw rod and a second screw rod rotatably arranged in the valve bridge fixing tool, a linkage part is provided at the same end of the first screw rod and the second screw rod, the first screw rod is threadedly connected to the first fixing part, the second screw rod is threadedly connected to the second fixing part, the two sides of the second fixing part are slidably adapted to the inner wall of the valve bridge fixing tool, and the valve bridge fixing tool is also provided with a first guide rod slidably connected to the first fixing part.
[0006] By adopting the above technical solution, the first screw rod is rotated, and under the guide limit of the first guide rod, the first fixing part can be pushed to slide left and right. At the same time, the second screw rod is driven to rotate through the linkage part at the end, thereby pushing the second fixing part to slide relatively, thereby adjusting the distance between the first fixing part and the second fixing part to meet the needs of fixing valve bridges of different models, which is convenient for production and processing.
[0007] The present invention is further configured as follows: the linkage member includes a main gear mounted on the right end of the first screw rod, and the right end of the second screw rod is mounted with a slave gear meshing with the main gear.
[0008] By adopting the above technical solution, the first screw rotates and drives the main gear to rotate, which drives the slave gear to rotate through engagement, causing the second screw to rotate, thereby adjusting the distance between the first fixing member and the second fixing member.
[0009] The present invention is further configured as follows: a center hole for placing the valve bridge is opened at the center of the valve bridge fixing tool, and a threaded block adapted to the second screw thread is provided at the bottom of the second fixing piece.
[0010] By adopting the above technical solution, when the second screw rod rotates, the threaded block is pushed to slide back and forth, thereby controlling the movement of the second fixing member.
[0011] The present invention is further configured as follows: the second fixing member comprises a sliding plate fixed to the upper end of the threaded block, and two front-to-back symmetrical fixing columns are mounted on the upper end of the sliding plate.
[0012] By adopting the above technical solution, one end of the valve bridge can be placed on the sliding plate, and the through hole at the end thereof can be fixed by the fixing column.
[0013] The present invention is further configured as follows: first slide rails are installed on both left and right side walls of the inner cavity of the valve bridge fixing tool, and sliders adapted to the first slide rails are installed on both ends of the sliding plate.
[0014] By adopting the above technical solution, when the sliding plate moves, the sliding block thereof always slides on the first sliding rail, so that the sliding of the sliding plate is more stable.
[0015] The utility model is further configured as follows: the first fixing member includes a movable frame threadedly connected to the first screw rod and slidably connected to the first guide rod, an L-shaped positioning frame is slidably arranged on the movable frame, and an insert rod member for fixing one end of the valve bridge is installed at the upper end of the L-shaped positioning frame.
[0016] By adopting the above technical solution, when the first screw rotates, the first guide rod guides the movable frame to slide, and after adjusting to an appropriate position, the other end of the valve bridge is fixed by the inserted rod.
[0017] The present invention is further configured as follows: a second slide rail is installed on the left side of the movable frame, and a second sliding block adapted to the second slide rail is installed on the bottom of the right side of the L-shaped positioning frame.
[0018] By adopting the above technical solution, the front and rear positions of the insert rod can be adjusted under the sliding cooperation of the second slide rail and the second slider, thereby facilitating better fixation of the valve bridge.
[0019] The utility model is further configured as follows: the insert rod member includes a sliding block arranged at the upper end of the L-shaped positioning frame and an adjusting member for adjusting the sliding block to slide left and right; a fixing frame is provided at the bottom of the sliding block; the fixing frame is provided with a sliding rod inserted into the end of the valve bridge and an elastic member for pushing the sliding rod downward.
[0020] By adopting the above technical solution, the sliding block is further adjusted by the adjusting member so that the sliding rod can accurately connect with the perforation at the end of the valve bridge. Under the push of the elastic member, the sliding rod is inserted into the end of the valve bridge, so that the valve bridge can be better fixed.
[0021] The utility model is further configured as follows: the adjusting member includes a third screw rod rotatably arranged on the L-shaped positioning frame, the right end of the third screw rod is rotatably connected to the sliding block, and the upper end of the L-shaped positioning frame is also provided with two second guide rods slidably adapted to the sliding block.
[0022] By adopting the above technical solution, the third screw is rotated, and under the sliding guidance of the second guide rod, the sliding block is pushed to move to the right, so that the sliding rod can better position the valve bridge.
[0023] The present invention is further configured as follows: the elastic member comprises a push-pull disk mounted on the upper end of the slide rod; a blocking piece and a spring abutting against the blocking piece are further mounted on the outer wall of the slide rod.
[0024] By adopting the above technical solution, the slide rod is pulled up by the push-pull plate, and the spring is compressed by the baffle. After the end of the slide rod corresponds to the perforation at the end of the valve bridge, the spring expands and contracts to push the baffle down, so that the slide rod is inserted into the end of the valve bridge, thereby positioning the valve bridge.
[0025] The beneficial effects of the utility model are:
[0026] 1. The utility model rotates the first screw rod, and under the guide limit of the first guide rod, the first fixing part can be pushed to slide left and right. Under the meshing cooperation of the main gear and the slave gear at the end, the second screw rod is rotated, thereby pushing the second fixing part to slide relatively, thereby adjusting the distance between the first fixing part and the second fixing part to meet the needs of fixing different models of valve bridges and facilitate production and processing.
[0027] 2. The utility model places the through hole at one end of the valve bridge on the fixed column, and the other end can accurately adjust the position of the slide rod through the sliding cooperation of the second slide rail and the second slider, as well as the cooperation of the third screw rod and the second guide rod, so that it can better correspond to the through hole at the other end of the valve bridge. Under the expansion and contraction of the spring, the baffle is pushed down, so that the slide rod is inserted into the end of the valve bridge, thereby positioning the valve bridge, making the fixing effect of the valve bridge more stable and facilitating the subsequent smoothing process. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0029] Figure 1 The utility model is a whole structure diagram of a valve bridge end face flat grinding tool.
[0030] Figure 2 This utility model Figure 1 Structural diagram of the regulating component.
[0031] Figure 3 This utility model Figure 1 The overall structure diagram of the first fixing member.
[0032] Figure 4 This utility model Figure 3 Connection diagram of the middle spring and the slide rod.
[0033] In the figure, 1. valve bridge fixing fixture; 2. first fixing part; 21. movable frame; 22. L-shaped positioning frame; 23. second slide rail; 24. second slider; 25. sliding block; 26. fixing frame; 27. sliding rod; 28. third screw rod; 29. second guide rod; 210. push-pull disk; 211. baffle; 212. spring; 3. second fixing part; 31. sliding plate; 32. fixing column; 33. first slide rail; 34. slider; 4. adjusting component; 41. first screw rod; 42. second screw rod; 43. first guide rod; 44. main gear; 45. slave gear; 46. threaded block. DETAILED DESCRIPTION
[0034] The following will clearly and completely describe the technical solutions of the present invention in conjunction with specific embodiments. Obviously, the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.
[0035] like Figures 1 to 4As shown, a valve bridge end face flat grinding tool includes a valve bridge fixing tool 1, the valve bridge fixing tool 1 includes a first fixing part 2 and a second fixing part 3 for fixing the valve bridge and an adjusting component 4 for adjusting the distance between the first fixing part 2 and the second fixing part 3, the adjusting component 4 includes a first screw rod 41 and a second screw rod 42 rotatably arranged in the valve bridge fixing tool 1, the first screw rod 41 and the second screw rod 42 are provided with a linkage part at the same end, the first screw rod 41 is threadedly connected to the first fixing part 2, the second screw rod 42 is threadedly connected to the second fixing part 3, the two sides of the second fixing part 3 are slidably adapted to the inner wall of the valve bridge fixing tool 1, and the valve bridge fixing tool 1 is also provided with a first guide rod 43 slidably connected to the first fixing part 2.
[0036] Furthermore, the linkage member includes a main gear 44 mounted on the right end of the first screw rod 41 , and a slave gear 45 meshing with the main gear 44 is mounted on the right end of the second screw rod 42 .
[0037] Furthermore, a central hole for placing the valve bridge is opened at the center of the valve bridge fixing tool 1, and a threaded block 46 threadably matched with the second screw rod 42 is provided at the bottom of the second fixing member 3.
[0038] Furthermore, the second fixing member 3 includes a sliding plate 31 fixed to the upper end of the threaded block 46 , and two front-to-back symmetrical fixing columns 32 are installed on the upper end of the sliding plate 31 .
[0039] Furthermore, first slide rails 33 are installed on both left and right side walls of the inner cavity of the valve bridge fixing tool 1 , and sliders 34 adapted to the first slide rails 33 are installed on both ends of the sliding plate 31 .
[0040] Furthermore, the first fixing member 2 includes a movable frame 21 threadedly connected to the first screw rod 41 and slidingly connected to the first guide rod 43. An L-shaped positioning frame 22 is slidingly provided on the movable frame 21, and an insert rod member for fixing one end of the valve bridge is installed at the upper end of the L-shaped positioning frame 22.
[0041] Furthermore, a second slide rail 23 is installed on the left side of the movable frame 21 , and a second sliding block 24 adapted to the second slide rail 23 is installed on the bottom of the right side of the L-shaped positioning frame 22 .
[0042] Furthermore, the insert rod includes a sliding block 25 arranged at the upper end of the L-shaped positioning frame 22 and an adjusting member for adjusting the sliding block 25 to slide left and right. A fixing frame 26 is provided at the bottom of the sliding block 25, and the fixing frame 26 is provided with a sliding rod 27 inserted into the end of the valve bridge and an elastic member for pushing the sliding rod 27 downward.
[0043] Furthermore, the adjusting member includes a third screw rod 28 rotatably arranged on the L-shaped positioning frame 22, the right end of the third screw rod 28 is rotatably connected to the sliding block 25, and the upper end of the L-shaped positioning frame 22 is also provided with two second guide rods 29 slidably adapted to the sliding block 25.
[0044] Furthermore, the elastic member includes a push-pull plate 210 installed on the upper end of the slide rod 27 , and the outer wall of the slide rod 27 is further installed with a blocking piece 211 and a spring 212 abutting against the blocking piece 211 .
[0045] The working principle of the present invention is: by rotating the first screw rod 41, the first fixing part 2 can be pushed to slide left and right under the guide limit of the first guide rod 43, and the second screw rod 42 is rotated under the meshing cooperation of the main gear 44 and the slave gear 45 at the end, thereby pushing the second fixing part 3 to slide relatively, adjusting the distance between the first fixing part 2 and the second fixing part 3, and then placing the through-hole at one end of the valve bridge on the fixed column 32, and the other end can be precisely adjusted to the position of the slide rod 27 through the sliding cooperation of the second slide rail 23 and the second slider 24, as well as the cooperation of the third screw rod 28 and the second guide rod 29, so that it can better correspond to the through-hole at the other end of the valve bridge, and push the baffle 211 down under the expansion and contraction of the spring 212, so that the slide rod 27 is inserted into the end of the valve bridge, thereby positioning the valve bridge.
Claims
1. A valve bridge end face flat grinding tool, comprising a valve bridge fixing tool (1), characterized in that: The valve bridge fixing tool (1) comprises a first fixing member (2) and a second fixing member (3) for fixing the valve bridge, and an adjusting component (4) for adjusting the distance between the first fixing member (2) and the second fixing member (3); the adjusting component (4) comprises a first screw rod (41) and a second screw rod (42) rotatably arranged in the valve bridge fixing tool (1); a linkage member is arranged at the same end of the first screw rod (41) and the second screw rod (42); the first screw rod (41) is threadedly connected to the first fixing member (2); the second screw rod (42) is threadedly connected to the second fixing member (3); both sides of the second fixing member (3) are slidably adapted to the inner wall of the valve bridge fixing tool (1); and the valve bridge fixing tool (1) is also provided with a first guide rod (43) slidably connected to the first fixing member (2).
2. The valve bridge end surface flat grinding tool according to claim 1, characterized in that: The linkage member comprises a main gear (44) mounted on the right end of the first screw rod (41), and a slave gear (45) meshing with the main gear (44) is mounted on the right end of the second screw rod (42).
3. The valve bridge end surface flat grinding tool according to claim 1, characterized in that: A central hole for placing the valve bridge is provided at the center of the valve bridge fixing tool (1), and a threaded block (46) adapted to the thread of the second screw rod (42) is provided at the bottom of the second fixing member (3).
4. The valve bridge end surface flat grinding tool according to claim 3, characterized in that: The second fixing member (3) comprises a sliding plate (31) fixed to the upper end of the threaded block (46), and two front-to-back symmetrical fixing columns (32) are mounted on the upper end of the sliding plate (31).
5. The valve bridge end surface flat grinding tool according to claim 4, characterized in that: First slide rails (33) are installed on both left and right side walls of the inner cavity of the valve bridge fixing fixture (1), and sliding blocks (34) adapted to the first slide rails (33) are installed on both ends of the sliding plate (31).
6. The valve bridge end surface flat grinding tool according to claim 1, characterized in that: The first fixing member (2) comprises a movable frame (21) threadedly connected to the first screw rod (41) and slidably connected to the first guide rod (43); an L-shaped positioning frame (22) is slidably provided on the movable frame (21); and an inserting rod member for fixing one end of the valve bridge is installed at the upper end of the L-shaped positioning frame (22).
7. The valve bridge end surface flat grinding tool according to claim 6, characterized in that: A second slide rail (23) is installed on the left side of the movable frame (21), and a second sliding block (24) adapted to the second slide rail (23) is installed on the bottom of the right side of the L-shaped positioning frame (22).
8. The valve bridge end surface flat grinding tool according to claim 7, characterized in that: The inserting rod member comprises a sliding block (25) arranged at the upper end of the L-shaped positioning frame (22) and an adjusting member for adjusting the sliding block (25) to slide left and right; a fixing frame (26) is arranged at the bottom of the sliding block (25); a sliding rod (27) inserted into the end of the valve bridge and an elastic member for pushing the sliding rod (27) downward are arranged on the fixing frame (26).
9. The valve bridge end surface flat grinding tool according to claim 8, characterized in that: The adjusting member comprises a third screw rod (28) rotatably arranged on the L-shaped positioning frame (22), the right end of the third screw rod (28) being rotatably connected to the sliding block (25), and the upper end of the L-shaped positioning frame (22) is further provided with two second guide rods (29) slidably adapted to the sliding block (25).
10. The valve bridge end surface flat grinding tool according to claim 9, characterized in that: The elastic member comprises a push-pull plate (210) mounted on the upper end of the slide bar (27); a baffle (211) and a spring (212) abutting against the baffle (211) are further mounted on the outer wall of the slide bar (27).