Positioning clamp for machining automobile valve seat
By designing a positioning fixture for automobile valve seat processing with a bidirectional threaded rod and servo motor drive, the problem that existing fixtures cannot adapt to components of different shapes is solved. Flexible clamping and protection of components of different shapes and sizes is achieved, and production efficiency is improved.
Patent Information
- Application Number
- CN202421998864.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-08-19
AI Technical Summary
Existing fixtures can only clamp parts of a single shape and cannot adapt to parts of different shapes, resulting in reduced production efficiency.
A positioning fixture for automobile valve seat machining was designed. It adopts a bidirectional threaded rod and a servo motor to drive the positioning clamp, combined with a spring and a long block to clamp components of different sizes and shapes.
It realizes flexible clamping of parts of different shapes and sizes, improves production efficiency, and protects parts from damage through rubber sleeves.
Smart Images

Figure CN223353592U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a positioning fixture, in particular to a positioning fixture for processing an automobile valve seat, and belongs to the technical field of positioning fixtures. Background Art
[0002] Positioning fixtures are mainly used to fix and position workpieces during the manufacturing process to ensure processing accuracy and efficiency. Through precise positioning and fixation, the fixture can prevent the workpiece from moving or deforming during the processing, thereby ensuring processing quality.
[0003] However, the existing fixtures can only position and clamp parts of a single shape during the clamping process. When parts of different shapes need to be clamped, other fixtures need to be replaced for clamping, which reduces the company's production efficiency. Summary of the Invention
[0004] (1) Technical problems solved
[0005] The purpose of the present utility model is to provide a positioning fixture for machining an automobile valve seat in order to solve the above-mentioned problem, so as to solve the problem in the prior art that the fixture can only clamp components of a single shape.
[0006] (2) Technical solution
[0007] The utility model is realized through the following technical scheme: a kind of automobile valve seat processing positioning fixture, comprising an operating table, the top of the operating table is fixedly connected with an H-shaped plate, the top of the H-shaped plate is provided with a bidirectional threaded rod, the left and right sides of the bidirectional threaded rod are threadedly connected with positioning clamps, the adjacent sides of the two positioning clamps are provided with multiple grooves, the interiors of the multiple grooves are fixedly connected with springs, the adjacent sides of the multiple springs are fixedly connected with elongated blocks, the left end of the bidirectional threaded rod is fixedly connected with a servo motor, and the rear side of the operating table is provided with a cleaning mechanism.
[0008] Preferably, the cleaning mechanism includes a support plate, the support plate is fixedly connected to the rear side of the operating table, the front side of the support plate is fixedly connected to a fixed plate 1, the top of the fixed plate 1 is fixedly connected to a dust hood, the outer wall of the dust hood is connected to a dust pipe, the top of the dust hood is fixedly connected to a square block, the dust pipe passes through the support plate, and the bottom of the dust pipe is connected to a collection box.
[0009] Preferably, a filter is provided inside the collection box, a fan is provided at the bottom of the filter, a second fixing plate is fixedly connected to the bottom of the collection box, and a box cover is provided at the rear side of the collection box.
[0010] Preferably, a controller is fixedly connected to the front side of the square block.
[0011] Preferably, a power lever is fixedly connected to the right side of the square block.
[0012] Preferably, the dust hood passes through the first fixing plate.
[0013] Preferably, adjacent sides of the plurality of elongated blocks are fixedly connected with rubber sleeves.
[0014] The utility model provides a positioning fixture for machining an automobile valve seat, which has the following beneficial effects:
[0015] 1. The automobile valve seat processing and positioning fixture uses a servo motor to drive the bidirectional threaded rod to rotate. At this time, the clamping block slides on the outer wall of the bidirectional threaded rod to clamp and position the component. The spring and the long block can clamp components of different sizes and shapes. The rubber sleeve can prevent the clamped component from being damaged during clamping, thereby improving the practicality and convenience of the overall equipment.
[0016] 2. The automobile valve seat processing and positioning fixture provides stable support for the cleaning mechanism through the support plate. The fan generates suction and cooperates with the dust suction pipe and dust suction hood to adsorb and clean the dust or other impurities on the clamping parts. At this time, the adsorbed dust and impurities fall on the filter. When the box is full, open the box cover and pour out the dust inside, which greatly improves the practicality of the overall equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the clamping and positioning structure of the utility model;
[0019] Figure 3 This is a schematic diagram of the structure of the cleaning mechanism of the utility model;
[0020] Figure 4 This is a schematic diagram of a partial device of the cleaning mechanism of the utility model;
[0021] Figure 5 This is a partial enlarged view of the clamping and positioning structure of the utility model;
[0022] Figure 6 This is a schematic diagram of the groove structure of the utility model.
[0023]
Main component symbol description
[0024] 1. Operating table; 2. Cleaning mechanism; 201. Support plate; 202. Fixed plate 1; 203. Dust hood; 204. Square block; 205. Dust tube; 206. Collection box; 207. Box cover; 208. Fan; 209. Filter; 210. Fixed plate 2; 3. H-shaped plate; 4. Positioning clamp; 5. Groove; 6. Spring; 7. Long block; 8. Rubber sleeve; 9. Bidirectional threaded rod; 10. Servo motor; 11. Controller; 12. Power lever. DETAILED DESCRIPTION
[0025] The embodiment of the utility model provides a positioning fixture for machining an automobile valve seat.
[0026] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 , including an operating table 1, the top of the operating table 1 is fixedly connected to an H-shaped plate 3, the top of the H-shaped plate 3 is provided with a bidirectional threaded rod 9, the left and right sides of the bidirectional threaded rod 9 are threadedly connected with positioning clamps 4, the adjacent sides of the two positioning clamps 4 are provided with multiple grooves 5, the inside of the multiple grooves 5 are fixedly connected with springs 6, the adjacent sides of the multiple springs 6 are fixedly connected with elongated blocks 7, the left end of the bidirectional threaded rod 9 is fixedly connected to a servo motor 10, the adjacent sides of the multiple elongated blocks 7 are fixedly connected with rubber sleeves 8, and a cleaning mechanism 2 is provided on the rear side of the operating table 1.
[0027] Specifically, the operating table 1 is the basis of the entire fixture. On the top of the operating table 1, we fixedly connected the H-type plate 3, which plays the role of supporting other components and ensures the stability of the equipment during operation. The top of the H-type plate 3 is provided with a two-way threaded rod 9, which is one of the core components of the fixture. The left and right sides of the two-way threaded rod 9 are threadedly connected with positioning clamps 4. By rotating the two-way threaded rod 9, the two positioning clamps 4 can be driven to move toward or away from each other, thereby realizing rapid positioning and clamping of the valve seat. We have opened multiple grooves 5 on the adjacent sides of the two positioning clamps 4. The interior of these grooves 5 are fixedly connected with springs 6. The elastic force of the springs 6 can ensure that the elongated block 7 fits tightly against the surface of the valve seat while also clamping valves of different sizes, thereby improving the practicality of the overall equipment. The elongated block 7 is connected to the adjacent side of multiple springs 6, and the adjacent side of the elongated block 7 is also fixedly connected with a rubber sleeve 8. The softness of the rubber sleeve 8 can ensure that the valve seat will not be worn during clamping. The servo motor 10 can achieve precise control of the positioning clamp 4 by controlling the rotation direction and speed of the bidirectional threaded rod 9 to meet different processing requirements.
[0028] Please refer again Figure 3 and Figure 4The cleaning mechanism 2 includes a support plate 201, which is fixedly connected to the rear side of the operating table 1, a fixed plate 202 is fixedly connected to the front side of the support plate 201, a dust cover 203 is fixedly connected to the top of the fixed plate 202, an outer wall of the dust cover 203 is connected to a dust collection pipe 205, a square block 204 is fixedly connected to the top of the dust cover 203, the dust collection pipe 205 passes through the support plate 201, and the bottom of the dust collection pipe 205 is connected to a collection box 206, a filter 209 is provided inside the collection box 206, a fan 208 is provided at the bottom of the filter 209, a fixed plate 210 is fixedly connected to the bottom of the collection box 206, a box cover 207 is provided on the rear side of the collection box 206, a controller 11 is fixedly connected to the front side of the square block 204, a power lever 12 is fixedly connected to the right side of the square block 204, and the dust cover 203 passes through the fixed plate 202.
[0029] The support plate 201 is fixedly connected to the rear side of the operating table 1, providing a stable foundation for the entire cleaning mechanism 2, and the front side of the fixed plate 202 is fixedly connected to the support plate 201, playing the role of supporting and fixing the dust hood 203. The top of the dust hood 203 is fixedly connected with a square block 204, which enhances the stability and integrity of the structure. The outer wall of the dust hood 203 is connected with a dust suction pipe 205, which passes through the support plate 201 and transports the dust and debris collected in the dust hood 203 to the collection box 206 through the dust suction pipe 205. At the same time, the dust hood 203 passes through the fixed plate 202, so that the dust hood 203 can be more flexibly adjusted in position. The collection box 206 is one of the core components of the cleaning mechanism 2. It is provided with a filter screen 209 inside for filtering out large particles in the dust and debris and protecting the fan 208 from clogging and damage. The bottom of the filter screen 209 is provided with a filter screen 209 for filtering out large particles in the dust and debris and protecting the fan 208 from clogging and damage. A fan 208 is provided, and the fan 208 generates a strong suction force to suck the dust and debris in the dust hood 203 into the collection box 206. The bottom of the collection box 206 is fixedly connected to a fixed plate 210, which enhances the stability and load-bearing capacity of the collection box 206. The rear side of the collection box 206 is provided with a box cover 207, which is convenient for cleaning and replacing the filter 209 and the collected dust and debris. The front side of the square block 204 is fixedly connected to the controller 11. The controller 11 is the control center of the entire cleaning mechanism 2. The switch and suction force of the fan 208 can be conveniently controlled by the controller 11. The right side of the square block 204 is fixedly connected to the power lever 12. The design of the power lever 12 allows the user to easily control the power on and off of the entire device, thereby improving the overall practicality and convenience of the device. The groove 5 is a convex design to prevent the spring 6 from being damaged by long-term squeezing movement and affecting its working efficiency.
[0030] Working principle: The operating table 1 is the basis of the entire fixture. On the top of the operating table 1, an H-shaped plate 3 is fixedly connected, which plays the role of supporting other components. A two-way threaded rod 9 is set on the top of the H-shaped plate 3. It is one of the core components of the fixture. The left and right sides of the two-way threaded rod 9 are threadedly connected with positioning clamps 4. By rotating the two-way threaded rod 9, the two positioning clamps 4 can be driven to move toward or away from each other, thereby realizing rapid positioning and clamping of the valve seat. We have opened multiple grooves 5 on the adjacent sides of the two positioning clamps 4, and the interior of these grooves 5 is fixedly connected with springs. 6. The elastic force of the spring 6 can ensure that the elongated block 7 fits tightly against the surface of the valve seat while also clamping valves of different sizes. The elongated block 7 is connected to the adjacent side of the multiple springs 6. The adjacent side of the elongated block 7 is also fixedly connected to a rubber sleeve 8. The softness of the rubber sleeve 8 can ensure that the valve seat will not be worn during clamping. The servo motor 10 can achieve precise control of the positioning clamp 4 by controlling the rotation direction and speed of the bidirectional threaded rod 9. The support plate 201 is fixedly connected to the rear side of the operating table 1, and the front side of the fixed plate 202 is fixedly connected to the support plate 201. , plays the role of supporting and fixing the dust hood 203. The top of the dust hood 203 is fixedly connected with a square block 204, which enhances the stability and integrity of the structure. The outer wall of the dust hood 203 is connected with a dust suction pipe 205, which passes through the support plate 201 and transports the dust and debris collected in the dust hood 203 to the collection box 206 through the dust suction pipe 205. At the same time, the dust hood 203 passes through the fixed plate 202, so that the dust hood 203 can be more flexibly adjusted. The collection box 206 is one of the core components of the cleaning mechanism 2, and a filter is provided inside it. 209 is used to filter out large particles in the dust and debris and protect the fan 208 from being blocked and damaged. A fan 208 is provided at the bottom of the filter 209. The fan 208 generates a strong suction force to suck the dust and debris in the dust hood 203 into the collection box 206. The bottom of the collection box 206 is fixedly connected with a fixing plate 210, which enhances the stability and load-bearing capacity of the collection box 206. The rear side of the collection box 206 is provided with a box cover 207, which is convenient for cleaning and replacing the filter 209 and the collected dust and debris, thereby improving the practicality and convenience of the overall equipment.
[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.
Claims
1. A positioning fixture for machining an automobile valve seat, comprising an operating table (1), characterized in that: The top of the operating table (1) is fixedly connected to an H-shaped plate (3), the top of the H-shaped plate (3) is provided with a bidirectional threaded rod (9), the left and right sides of the bidirectional threaded rod (9) are both threadedly connected to positioning clamps (4), the adjacent sides of the two positioning clamps (4) are each provided with a plurality of grooves (5), the interiors of the plurality of grooves (5) are each fixedly connected to a spring (6), the adjacent sides of the plurality of springs (6) are each fixedly connected to an elongated block (7), the left end of the bidirectional threaded rod (9) is fixedly connected to a servo motor (10), and a cleaning mechanism (2) is provided on the rear side of the operating table (1).
2. The automobile valve seat processing and positioning fixture according to claim 1, characterized in that: The cleaning mechanism (2) comprises a support plate (201) fixedly connected to the rear side of the operating table (1); the front side of the support plate (201) is fixedly connected to a fixing plate 1 (202); the top of the fixing plate 1 (202) is fixedly connected to a dust hood (203); the outer wall of the dust hood (203) is connected to a dust suction pipe (205); the top of the dust hood (203) is fixedly connected to a square block (204); the dust suction pipe (205) passes through the support plate (201); and the bottom of the dust suction pipe (205) is connected to a collection box (206).
3. The automobile valve seat processing and positioning fixture according to claim 2, characterized in that: A filter screen (209) is provided inside the collection box (206), a fan (208) is provided at the bottom of the filter screen (209), a fixing plate 2 (210) is fixedly connected to the bottom of the collection box (206), and a box cover (207) is provided at the rear side of the collection box (206).
4. The automobile valve seat processing and positioning fixture according to claim 2, characterized in that: The front side of the square block (204) is fixedly connected with a controller (11).
5. The automobile valve seat processing and positioning fixture according to claim 2, characterized in that: The right side of the square block (204) is fixedly connected to a power lever (12).
6. The automobile valve seat machining and positioning fixture according to claim 2, characterized in that: The dust collecting cover (203) passes through the fixing plate 1 (202).
7. The automobile valve seat machining and positioning fixture according to claim 1, characterized in that: Adjacent sides of the plurality of elongated blocks (7) are all fixedly connected with rubber sleeves (8).