Valve body machining clamp
By designing a valve body machining fixture with a multi-point fixed structure, the problem of difficulty in ensuring the accuracy of secondary clamping in the existing technology is solved, realizing stable clamping and efficient machining of the valve body, and improving machining accuracy and efficiency.
Patent Information
- Application Number
- CN202422939949.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-29
AI Technical Summary
The existing valve body machining process has the problem of difficulty in ensuring the accuracy of secondary clamping, and the poor rigidity of the fixtures makes it easy to damage the positioning surface during repeated loading and unloading, making it difficult to control the machining accuracy.
A valve body machining fixture was designed, comprising a fixture table, a limiting post, a fixing protrusion, a first clamping assembly, and a second clamping assembly. Through multi-point fixing and stabilizing structure, the valve body is ensured to be firmly clamped on the fixture table, reducing the number of positioning and clamping operations and improving machining accuracy and efficiency.
This achieves stable clamping and fixing of the valve body, reduces the number of positioning and clamping operations, improves machining accuracy and efficiency, avoids clamping damage caused by fixture vibration, and ensures machining quality.
Smart Images

Figure CN223519164U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lathe fixture technical field especially relates to a valve body machining fixture. BACKGROUND
[0002] With the development of mechanical processing technology, the fixture becomes the indispensable component of mechanical processing, at present, the fixture technology is developing towards general, efficient, accurate, intelligent and environmental protection. The fixture is the device used for fixing the workpiece in the process of mechanical processing and manufacturing, so that the workpiece occupies the correct position and accepts the construction or detection. In industrial production, the fixture is widely used.
[0003] At present, the precision requirement of valve body is higher and higher, especially the position precision requirement of runner hole and assembly hole is high. According to the traditional processing process route, the runner hole is processed by lathe, and the lathe processing work is completed by twice clamping, and the following shortcomings exist: the positioning and clamping times are many, the repeated positioning times are many, the auxiliary time is long, the accumulated error is large, the precision is difficult to guarantee, the rigidity of the fixture itself is poor, the product is vibrated during processing, the positioning surface of the product is clamped and removed for many times, and the clamping position is easy to be clamped. UTILITY MODEL CONTENT
[0004] In order to overcome the defects in the prior art, the utility model aims at providing a valve body machining fixture, which solves the problem of difficult to guarantee the precision of twice clamping in the prior art.
[0005] In order to achieve the above object, the utility model adopts the following technical scheme:
[0006] A valve body machining fixture, comprising a fixture tool and a valve body clamped on the fixture tool, the fixture tool comprises a fixture table, a base, a limiting column, a fixed protrusion, a first clamping assembly and a second clamping assembly, the fixture table is fixedly connected on the base, the limiting column is fixedly connected on the fixture table, the fixed protrusion is fixedly connected on the fixture table and is arranged between the limiting columns, the first clamping assembly is fixedly connected on the fixture table and abuts with one side of the valve body, and the second clamping assembly is fixedly connected on the fixture table and abuts with the other side of the valve body.
[0007] Compared with the prior art, the valve body machining fixture has the following beneficial effects:
[0008] In actual application, the valve body is fixed on the fixture table station, the clamping pressure plate is fixed on the valve body, the nut on the supporting column and the fixed column is twisted to fix the position of the first clamping assembly and the second clamping assembly, so that the fixation of the outer side of the valve body clamping and fixing is strengthened, the fixation effect is firm, the operator is convenient for subsequent operation, two groups of stations are arranged on the fixture table to process different positions of the valve body, and the station combination improves the processing efficiency of the valve body.
[0009] Preferably, the first clamping assembly comprises a first supporting column, a first fixing column and a first clamping pressing plate, the first supporting column and the first fixing column are fixedly connected on the clamp table, a first through hole and a movable through hole are formed on the first clamping pressing plate, the first supporting column is movably connected with the first through hole, the first fixing column is movably connected with the movable through hole, and an arc-shaped groove is formed on one side of the first clamping pressing plate.
[0010] Beneficial effects: The left side of the valve body is clamped by the first clamping assembly, the arc-shaped groove formed on the first clamping pressing plate is fitted with the left side surface of the valve body to improve the stability of clamping, the first clamping pressing plate and the fixing protrusion cooperate to fix and clamp the connecting block on the left side of the valve body, and the nut is screwed on the first fixing column to fix the first clamping pressing plate.
[0011] Preferably, the second clamping assembly comprises a clamping base, a second supporting column and a second clamping pressing plate, the clamping base is fixedly connected on the clamp table, the second supporting column is fixedly connected with the clamping base, a movable through hole is formed on the second clamping pressing plate, the second supporting column is detachably connected with the movable through hole, and a circular limiting groove is formed on the second clamping pressing plate.
[0012] Beneficial effects: The right side of the valve body is clamped by the second clamping assembly, the circular limiting groove formed on the second clamping pressing plate is fitted with the arc-shaped connecting column on the right side of the valve body to improve the stability of the clamp, when the second clamping pressing plate is fitted with the valve body, the nut is screwed on the second supporting column to fix the second clamping pressing plate, and subsequent machining is facilitated.
[0013] Preferably, a first groove is formed on the clamp table base, and the first groove is in abutment with one side of the valve body.
[0014] Beneficial effects: The first groove facilitates the fixed connection and clamping of the protruding block on one side of the valve body.
[0015] Preferably, a clamping supporting plate and a connecting column are further provided, the connecting column is fixedly connected on the clamp table, a connecting through hole is formed on the clamping supporting plate, the clamping supporting plate is fixedly connected on the clamp table, and the connecting column is fixedly connected with the connecting through hole.
[0016] Beneficial effects: By forming the connecting through hole, the clamping supporting plate is fixedly connected on the clamp table to protect the valve body from shaking during machining.
[0017] Preferably, machining hole positions are formed on the clamping supporting plate.
[0018] Beneficial effects: By forming the machining hole positions, the valve body is fixed on the clamping supporting plate to facilitate the machining operation of the hole positions.
[0019] Preferably, a connecting hole is arranged on the valve body, and one end of the connecting column is inserted into the connecting hole.
[0020] Beneficial effects: through the insertion of the connecting hole and the connecting column, the valve body is fixed on the clamp table, and positioning and fixing are facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 A structural schematic view of a valve body machining clamp provided by the embodiment of the utility model;
[0022] Figure 2 A structural schematic view of a clamp table provided by the embodiment of the utility model;
[0023] Figure 3 A structural schematic view of a valve body provided by the embodiment of the utility model;
[0024] Figure 4 A structural schematic view of a first clamping pressing plate provided by the embodiment of the utility model;
[0025] Figure 5 A structural schematic view of a clamping supporting plate provided by the embodiment of the utility model;
[0026] Figure 6 A structural schematic view of a second clamping pressing plate provided by the embodiment of the utility model. DETAILED DESCRIPTION
[0027] The following is further described in detail through specific embodiments:
[0028] The reference signs in the drawings of the specification include: a valve body 1, a clamp table 2, a base 3, a limiting column 4, a fixed protrusion 5, a first clamping assembly 6, a second clamping assembly 7, a first supporting column 8, a first fixed column 9, a first clamping pressing plate 10, a first through hole 11, a movable through hole 12, an arc-shaped recess 13, a clamping base 14, a second supporting column 15, a second clamping pressing plate 16, a circular limiting groove 17, a first recess 18, a clamping supporting plate 19, a connecting column 20, a connecting through hole 21, a machining hole 22, and a connecting hole 23.
[0029] As shown in the accompanying drawings, Figures 1-6The embodiment shows a valve body machining clamp, which comprises a clamp tool and a valve body 1 clamped on the clamp tool, the clamp tool comprises a clamp table 2, a base 3, limiting columns 4, fixed lugs 5, a first clamping assembly 6 and a second clamping assembly 7, the clamp table 2 is fixedly connected to the base 3, the limiting columns 4 are fixedly connected to the clamp table 2, the fixed lugs 5 are fixedly connected to the clamp table 2 and are arranged between the limiting columns 4, the first clamping assembly 6 is fixedly connected to the clamp table 2 and abuts against one side of the valve body 1, and the second clamping assembly 7 is fixedly connected to the clamp table 2 and abuts against the other side of the valve body 1.
[0030] Specifically, the valve body 1 is fixed by the left and right clamping assemblies, four limiting columns 4 are arranged on the clamp table 2 and play a role of preliminary limiting during clamping of the valve body 1, the fixed lugs 5 at the bottom and the clamping base 14 support and fix the bottom of the valve body 1, and the right side of the clamp table 2 is provided with a work station for secondary machining, so that the valve body 1 can be directly fixed on the clamping plate 19 for secondary machining after first part machining is completed, and the problem of long machining time caused by excessive positioning and clamping times is solved.
[0031] The first clamping assembly 6 of the embodiment comprises a first supporting column 8, a first fixed column 9 and a first clamping pressing plate 10, the first supporting column 8 and the first fixed column 9 are fixedly connected to the clamp table 2, the first clamping pressing plate 10 is provided with a first through hole 11 and a movable through hole 12, the first supporting column 8 is movably connected to the first through hole 11, the first fixed column 9 is movably connected to the movable through hole 12, and an arc-shaped groove 13 is arranged on one side of the first clamping pressing plate 10.
[0032] Specifically, the left side of the valve body 1 abuts against and is fixed by the first clamping pressing plate 10, the first clamping pressing plate 10 is provided with the arc-shaped groove 13 to cooperate with the shape of the left side of the valve body 1 to play a role of limiting and fixing, and a connecting nut is screwed on the first fixed column 9 to fix the first clamping pressing plate 10 after abutting.
[0033] The second clamping assembly 7 of the embodiment comprises a clamping base 14, a second supporting column 15 and a second clamping pressing plate 16, the clamping base 14 is fixedly connected to the clamp table 2, the second supporting column 15 is fixedly connected to the clamping base 14, the second clamping pressing plate 16 is provided with a movable through hole 12, the second supporting column 15 is detachably connected to the movable through hole 12, and a circular limiting groove 17 is arranged on the second clamping pressing plate 16.
[0034] Specifically, the right side of the valve body 1 is connected to the clamping base 14, the second clamping pressing plate 16 abuts against the right side of the valve body 1 after the valve body 1 is placed, so that the circular limiting groove 17 is attached to the two connecting columns on the right side of the valve body 1, and a connecting nut is screwed on the second supporting column 15 to fix the second clamping pressing plate 16.
[0035] The clamping base 14 of the embodiment is provided with a first groove 18, and the first groove 18 abuts against one side of the valve body 1.
[0036] Specifically, when the valve body 1 is clamped on the clamping base 14, the right side connecting column can be fixed and limited through the first groove 18.
[0037] The embodiment is also provided with a clamping plate 19 and a connecting column 20, the connecting column 20 is fixedly connected to the clamp table 2, the clamping plate 19 is provided with a connecting through hole 21, the clamping plate 19 is fixedly connected to the clamp table 2, and the connecting column 20 is fixedly connected to the connecting through hole 21.
[0038] Specifically, the clamping plate 19 can be fixedly connected to the clamp table 2 through cooperation of the connecting column 20 and the connecting through hole 21, so that the valve body 1 is prevented from being abraded during clamping and processing.
[0039] The clamping plate 19 of the embodiment is provided with a processing hole position 22.
[0040] Specifically, the processing hole position 22 is arranged at the center position of the clamping plate 19, so that the valve body 1 is convenient to be processed in hole position when being installed on the clamping plate 19.
[0041] The valve body 1 of the embodiment is provided with a connecting hole position 23, and one end of the connecting column 20 is inserted into the connecting hole position 23.
[0042] Specifically, the valve body 1 can be quickly fixed and clamped on the clamp table 2 through cooperation between the connecting hole position 23 and the connecting column 20, so that the valve body 1 is convenient to be processed.
[0043] The above is only the embodiment of the utility model, and the specific technical solutions and / or common knowledge of the scheme are not described in detail. It should be noted that, for those skilled in the art, without departing from the technical scheme of the utility model, a number of deformations and improvements can be made, which should also be regarded as the protection range of the utility model, and these will not affect the effect and practicality of the utility model. The protection range of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.
Claims
1. A valve body machining jig comprising a jig tool and a valve body (1) clamped to the jig tool, characterized in that: The clamp tool includes a clamp table (2), a base (3), a limiting column (4), a fixed protrusion (5), a first clamping assembly (6) and a second clamping assembly (7), the clamp table (2) is fixedly connected to the base (3), the limiting column (4) is fixedly connected to the clamp table (2), the fixed protrusion (5) is fixedly connected to the clamp table (2) and arranged between the limiting columns (4), the first clamping assembly (6) is fixedly connected to the clamp table (2) and abuts one side of the valve body (1), and the second clamping assembly (7) is fixedly connected to the clamp table (2) and abuts the other side of the valve body (1).
2. A valve body machining fixture according to claim 1, wherein: The first clamping assembly (6) includes a first supporting column (8), a first fixed column (9) and a first clamping pressing plate (10), the first supporting column (8) and the first fixed column (9) are fixedly connected to the clamp table (2), the first clamping pressing plate (10) is provided with a first through hole (11) and a movable through hole (12), the first supporting column (8) is movably connected to the first through hole (11), the first fixed column (9) is movably connected to the movable through hole (12), and one side of the first clamping pressing plate (10) is provided with an arc-shaped groove (13).
3. The valve body machining fixture of claim 1, wherein: The second clamping assembly (7) includes a clamping base (14), a second supporting column (15) and a second clamping pressing plate (16), the clamping base (14) is fixedly connected to the clamp table (2), the second supporting column (15) is fixedly connected to the clamping base (14), the second clamping pressing plate (16) is provided with a movable through hole (12), the second supporting column (15) is detachably connected to the movable through hole (12), and the second clamping pressing plate (16) is provided with a circular limiting groove (17).
4. A valve body machining fixture according to claim 3, wherein: The clamping base (14) is provided with a first groove (18), and the first groove (18) abuts one side of the valve body (1).
5. The valve body machining fixture of claim 1, wherein: A clamping supporting plate (19) and a connecting column (20) are further arranged, the connecting column (20) is fixedly connected to the clamp table (2), the clamping supporting plate (19) is provided with a connecting through hole (21), the clamping supporting plate (19) is fixedly connected to the clamp table (2), and the connecting column (20) is fixedly connected to the connecting through hole (21).
6. A valve body machining fixture according to claim 5, wherein: The clamping supporting plate (19) is provided with a machining hole position (22).
7. A valve body machining fixture according to claim 5, wherein: The valve body (1) is provided with a connecting hole position (23), and one end of the connecting column (20) is inserted into the connecting hole position (23).