Tool clamp for machining guided missile hoop support
By designing a tool fixture for processing missile clamp support, the cooperation of deformation strips and pressing parts can achieve stable positioning and fixing of missile clamp support, the problems of cumbersome clamping, low efficiency and low yield in the prior art are solved, and the processing efficiency and yield rate are significantly improved.
Patent Information
- Application Number
- CN202421983213.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-08-15
AI Technical Summary
In the prior art, when processing missile clamp brackets, the clamping process is complicated, resulting in low processing efficiency and poor clamping effect, resulting in low yield.
A tool fixture for processing missile clamp support is designed, including a base and clamping assembly. The clamping assembly consists of a support seat, a support ring and a press. The support ring is composed of a deformation strip. The press is detachably arranged at the output end of the driving mechanism. The press is driven to move through the driving mechanism, and the coupling of the deformation protrusions and protrusions is achieved to achieve stable positioning and fixing of the missile clamp support.
The tooling fixture can clamp multiple missile clamp brackets at the same time, simplifying the clamping process, improving processing efficiency, ensuring the consistency of clamping position and force, avoiding parts deformation, and significantly improving yield.
Smart Images
Figure CN223012938U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of machining, in particular to a fixture for machining a missile clamp bracket. Background Art
[0002] Figure 1 A missile clamp bracket is shown. Its material is stainless steel, the overall shape is irregular and special-shaped, and the wall thickness is uniform everywhere, for example, 1.5 mm. At present, when machining such parts, the conventional method is to stick auxiliary blocks in the inner cavity and clamp them with a pressing plate. The disadvantages of this method are as follows: only one workpiece can be clamped each time, and the clamping position is inconsistent each time, so it is necessary to re-grab the position. At the same time, due to the different clamping forces each time, the workpiece is prone to deformation, the wall thickness dimensions of the processed finished products are uneven, and the yield rate is low.
[0003] Due to the characteristics of AB glue, the maximum bonding force can only be exerted after the glue has completely solidified. When processing in large quantities, the bonding speed is slow, and the consumption of AB glue is large. At the same time, the glue needs to be removed after processing, which greatly lengthens the processing cycle and increases the time cost of processing. Summary of the Utility Model
[0004] In view of this, the utility model provides a fixture for machining a missile clamp bracket to solve the problems that the clamping process of the conventional structure for pretending a missile clamp bracket is cumbersome, resulting in low subsequent processing efficiency, poor clamping effect, and low yield rate.
[0005] The utility model provides a fixture for machining a missile clamp bracket, including:
[0006] A base;
[0007] A clamping assembly, arranged on the base, including a support seat, a support ring and a pressing member. The support ring is arranged on the support seat and consists of a plurality of deformation strips. The deformation strip includes a fixed section, a first deformation section and a second deformation section. The fixed section is arranged close to the center of the support ring. The first deformation section and the second deformation section respectively extend obliquely away from the center of the circle from two edges of the fixed section. The first deformation sections and the second deformation sections of adjacent two deformation strips form a deformation convex part;
[0008] The pressing member is detachably arranged at the output end of a driving mechanism. The pressing member is adapted to move towards the support ring under the drive of the driving mechanism. A plurality of protrusions are arranged at intervals on the edge of the pressing member. The protrusions are adapted to extend into and press the ends of the first deformation section and the second deformation section of the deformation convex part to move away from each other;
[0009] A plurality of the clamping assemblies are arranged at intervals on the base.
[0010] Optionally, the cross-sectional shapes of the first deformation section and the second deformation section are arc-shaped, and the first deformation section and the second deformation section of two adjacent deformation bars form a deformation convex part with an arc-shaped cross-sectional shape; the outer edge shape of the protrusion is arc-shaped, and the size of the outer wall of the protrusion is larger than the size of the inner wall of the deformation convex part.
[0011] Optionally, the inner walls of the first deformation section and the second deformation section are first inclined surfaces extending upward and away from the center of the circle, and the outer surface of the end of the protrusion is a second inclined surface that cooperates with the first inclined surface.
[0012] Optionally, the pressing member is drivingly connected to the output end of the driving mechanism through a pressing rod, and the pressing rod includes a connecting rod detachably connected to the driving mechanism and a pressing block located at the end of the connecting rod.
[0013] Optionally, the support base has a first through hole, the pressing member has a second through hole, the driving mechanism includes a cylinder, the connecting rod is detachably connected to the output rod of the cylinder, the connecting rod sequentially passes through the first through hole and the second through hole, the pressing member is located between the pressing block and the support base, and the cylinder is adapted to drive the pressing block to move towards the support base through the output rod and the connecting rod.
[0014] Optionally, a threaded hole is provided at the end of the output rod of the cylinder, and an external thread that is screwed and matched with the threaded hole is provided at the end of the connecting rod.
[0015] Optionally, the base includes a bottom plate, a support plate and a support block. The opposite ends of the bottom of the support plate are respectively connected to the bottom plate through the support block, and an assembly space is formed between the support plate and the bottom plate. The cylinder is arranged in the assembly space. The support plate is provided with a third through hole corresponding to the first through hole of the support base in position, and the output end of the cylinder extends out of the third through hole to be connected to the connecting rod.
[0016] Optionally, a limiting port is provided on the support plate, a limiting block is provided on the top of the cylinder, the limiting port is rectangular, the shape and size of the limiting block are the same as those of the limiting port, the limiting block extends into the limiting port, a first connection hole is provided on the limiting block, and a second connection hole is provided on the support base. A first fixing member passes through the first connection hole and extends into the second connection hole.
[0017] Optionally, the bottom plate is provided with a third connection hole, the support block is provided with a fourth connection hole, the support plate is provided with a fifth connection hole, and a second fixing member sequentially passes through the third connection hole and the fourth connection hole and extends into the fifth connection hole.
[0018] Optionally, a plurality of the clamping assemblies are arranged in a matrix on the base.
[0019] Beneficial effects:
[0020] The workholding fixture for machining missile clamp brackets provided by the present utility model includes: a base and a clamping assembly. The clamping assembly is arranged on the base and includes a support seat, a support ring and a pressing member. The support ring is arranged on the support seat and consists of a plurality of deformation strips. The deformation strip includes a fixed section, a first deformation section and a second deformation section. The fixed section is arranged close to the center of the support ring. The first deformation section and the second deformation section respectively extend obliquely away from the center of the circle from two edges of the fixed section. The first deformation sections and the second deformation sections of two adjacent deformation strips form a deformation convex part. The pressing member is detachably arranged at the output end of the driving mechanism. The pressing member is adapted to move towards the support ring under the drive of the driving mechanism. A plurality of protrusions are arranged at intervals on the edge of the pressing member. The protrusions are adapted to extend into and press the ends of the first deformation section and the second deformation section of the deformation convex part to move away from each other. A plurality of clamping assemblies are arranged on the base at intervals.
[0021] The arrangement of a plurality of clamping assemblies on the base enables the workholding fixture to clamp a plurality of parts to be machined P at the same time. Taking one of the clamping assemblies as an example, the outer edge shape of the support ring is the same as the inner wall shape of the missile clamp bracket. The part to be machined P can be sleeved on the support ring. The deformation convex part formed by the first deformation section and the second deformation section of two adjacent deformation strips on the support ring can be tightly fitted with the corresponding position on the inner wall of the missile clamp bracket to position the missile clamp bracket. Then, the driving mechanism can be used to drive the pressing member to move towards the support ring. A plurality of protrusions on the edge of the pressing member will abut against the inner wall of the corresponding deformation convex part and press the first deformation section and the second deformation section forming the deformation convex part to move away from each other. The outer walls of the first deformation section and the second deformation section forming the deformation convex part press the corresponding inner wall of the missile clamp bracket, thereby fixing the missile clamp bracket.
[0022] Compared with the prior art, the workholding fixture of the present application can not only clamp a plurality of missile clamp brackets at the same time, improving the subsequent processing efficiency, but also simplify the clamping method. By using the inner support method to tightly press the inner side of the missile clamp bracket, the clamping position and clamping force are highly consistent, avoiding the deformation of the missile clamp bracket and improving the yield rate of subsequent processing. Description of the drawings
[0023] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0024] Figure 1 It is a schematic structural diagram of a missile clamp part;
[0025] Figure 2 It is a schematic structural diagram of the tooling fixture used for machining the missile clamp bracket in this embodiment;
[0026] Figure 3 It is a schematic structural diagram of the support base in this embodiment;
[0027] Figure 4 It is a schematic cross-sectional structure diagram of the support base in this embodiment;
[0028] Figure 5 It is a schematic structural diagram of the pressing part in this embodiment;
[0029] Figure 6 It is a schematic cross-sectional structure diagram of the pressing part in this embodiment;
[0030] Figure 7 It is a schematic structural diagram of the pressure rod in this embodiment;
[0031] Figure 8 It is a schematic structural diagram of the driving mechanism in this embodiment;
[0032] Figure 9 It is a schematic structural diagram of the cylinder in this embodiment;
[0033] Figure 10 It is a schematic structural diagram of the base in this embodiment;
[0034] Figure 11 It is a schematic structural diagram of the support plate in this embodiment;
[0035] Figure 12 It is a schematic structural diagram of the support block in this embodiment.
[0036] Explanation of reference numerals:
[0037] 100. Missile clamp part; 110. Arc-shaped protrusion; 120. Connection part; 200. Tooling fixture; 202. Base; 210. Bottom plate; 220. Limit block; 222. Output rod; 230. Support block; 232. Fourth connection hole; 240. Support plate; 242. Limit port; 300. Clamping assembly; 310. Support base; 312. First through hole; 314. Deformation convex part; 316. First deformation section; 317. Second deformation section; 318. Fixed section; 320. Pressing part; 322. Protrusion; 324. Second through hole; 330. Pressure rod; 332. Pressure block; 334. Connecting rod. Detailed implementation manners
[0038] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present utility model.
[0039] Figure 1 The schematic diagram of the missile clamp part 100 is shown. As Figure 1 shown, the missile clamp part 100 is a substantially annular thin-walled part, including a plurality of arc-shaped protrusions 110 arranged at intervals along the circumferential direction and a plurality of connecting parts 120 between the arc-shaped protrusions 110. The arc-shaped protrusions 110 and the connecting parts 120 have the same wall thickness, for example, within the range of 1 mm to 2 mm, for example, 1.5 mm. The missile clamp part 100 has relatively high requirements for the wall thickness uniformity and the surface quality of the outer surface. When processing such thin-walled parts by ordinary processing methods, problems such as workpiece deformation, inconsistent wall thickness, and poor surface finish exist.
[0040] To solve the above problems, as Figure 2 , Figure 3 , Figure 4 and Figure 5 shown, the present utility model provides a tooling fixture 200 for processing a missile clamp bracket, including: a base 202 and a clamping assembly 300.
[0041] The clamping assembly 300 is arranged on the base 202 and includes a support seat 310, a support ring, and a pressing member 320. The support ring is arranged on the support seat 310 and is composed of a plurality of deformation strips. The shape of the support ring corresponds to the shape of the missile clamp part 100. The deformation strip includes a fixed section 318, a first deformation section 316, and a second deformation section 317. The fixed section 318 is arranged close to the center of the support ring. The first deformation section 316 and the second deformation section 317 respectively extend obliquely away from the center of the circle from the two edges of the fixed section 318. The first deformation sections 316 and the second deformation sections 317 of adjacent two deformation strips form a deformation convex part 314. The deformation convex part 314 corresponds to the shape and position of the arc-shaped protrusion 110 of the missile clamp part 100. A plurality of deformation strips can form a plurality of deformation convex parts 314 to support each protrusion of the part P to be processed, facilitating subsequent processing.
[0042] The pressing member 320 is detachably arranged at the output end of the driving mechanism. The pressing member 320 is adapted to move towards the direction close to the support ring under the drive of the driving mechanism. A plurality of protrusions 322 are arranged at intervals on the edge of the pressing member 320. The protrusions 322 are adapted to extend into and press the ends of the first deformation section 316 and the second deformation section 317 of the deformation convex part 314 to move away from each other. The main body shape of the pressing member 320 is circular, the main body edge is a plurality of protrusions 322, the main body is used to fill the middle part of the support ring, and the protrusions 322 are used to support the deformation convex part 314.
[0043] A plurality of clamping assemblies 300 are arranged at intervals on the base 202.
[0044] A plurality of clamping assemblies 300 are arranged on the base 202 so that the tooling fixture 200 can clamp a plurality of parts to be processed P at the same time. The parts to be processed P are similar in shape to the missile clamp parts 100. The parts to be processed P need to be further processed on the outer surface to obtain the missile clamp parts 100.
[0045] Taking one of the clamping assemblies 300 as an example, the outer edge shape of the support ring is the same as the inner wall shape of the missile clamp bracket. The missile clamp bracket can be sleeved on the support ring. The deformation convex part 314 formed by the first deformation section 316 and the second deformation section 317 of two adjacent deformation strips on the support ring can be in close fit with the corresponding position on the inner wall of the missile clamp bracket to position the part to be processed P. Then, the driving mechanism can drive the pressing member 320 to move towards the direction close to the support ring. A plurality of protrusions 322 on the edge of the pressing member 320 will abut against the inner wall of the corresponding deformation convex part 314 and press the first deformation section 316 and the second deformation section 317 that make up the deformation convex part 314 to move away from each other. The outer walls of the first deformation section 316 and the second deformation section 317 that make up the deformation convex part 314 press the corresponding inner walls of the part to be processed P, thereby fixing the part to be processed P.
[0046] Compared with the prior art, the tooling fixture 200 of the present application can not only clamp a plurality of parts to be processed P at the same time, which speeds up the subsequent processing efficiency, but also simplifies the clamping method. By using the inner support method, the inner side of the part to be processed P is pressed tightly, and the clamping position and clamping force are kept highly consistent, avoiding the deformation of the part to be processed P and effectively avoiding the tool deflection phenomenon, and improving the yield rate of the subsequent processing.
[0047] Such as Figure 3 and Figure 5As shown, in this embodiment, the cross-sectional shape of the first deformation section 316 and the second deformation section 317 is an arc, the first deformation section 316 and the second deformation section 317 of two adjacent deformation strips form a deformation convex portion 314 with an arc-shaped cross-sectional shape, the outer edge shape of the protrusion 322 is an arc, and the size of the outer wall of the protrusion 322 is larger than the size of the inner wall of the deformation convex portion 314, there is a gap S between the first deformation section 316 and the second deformation section 317, and the size of the outer edge formed by the first deformation section 316 and the second deformation section 317 is smaller than or equal to the inner wall size of the protrusion of the part to be processed P, so that The part P to be processed can be directly sleeved on the support ring, and the outer edge size of the protrusion 322 is larger than the size of the inner wall of the first deformation section 316 and the second deformation section 317. When the protrusion 322 is pressed between the first deformation section 316 and the second deformation section 317, the first deformation section 316 and the second deformation section 317 are pressurized by the protrusion 322 and have a tendency to move away from each other, so that the outer walls of the first deformation section 316 and the second deformation section 317 can respectively press the inner wall of the protrusion of the corresponding part P to be processed, so as to firmly fix the part to be processed on the support seat 311. The outer contour shape of the support seat 311 can be cylindrical.
[0048] like Figure 3 , Figure 4 and Figure 6 As shown, in the present embodiment, the inner wall of the first deformation section 316 and the second deformation section 317 is a first inclined surface extending from bottom to top in a direction away from the center of the circle, and the outer surface of the end of the protrusion 322 is a second inclined surface matching the first inclined surface. For example, the inclination angle range of the first inclined surface is 1 degree to 5 degrees, and the inclination angle range of the second inclined surface is 1 degree to 5 degrees. The above angle range is set by deflecting from the height direction to the horizontal direction. In actual applications, the inclination angles of the first inclined surface and the second inclined surface are the same, preferably 3 degrees, so that the protrusion 322 is pressed between the first deformation section 316 and the second deformation section 317.
[0049] like Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Figure 9 As shown, in this embodiment, the pressing piece 320 is transmission-connected to the output end of the driving mechanism through a pressing rod 330. The pressing rod 330 includes a connecting rod 334 detachably connected to the driving mechanism and a pressing block 332 located at the end of the connecting rod 334. The output end of the driving mechanism can drive the pressing block 332 to press the pressing piece 320 through the connecting rod 335, so that the pressing piece 320 is pressed into the support ring.
[0050] like Figure 4 , Figure 5 , Figure 6 , Figure 7 ,Figure 8 and Figure 9 As shown in Figure 9 and , in this embodiment, the support base 310 has a first through hole 312, the pressing member 320 has a second through hole 324, the driving mechanism includes a cylinder, the connecting rod 334 is detachably connected to the output rod 222 of the cylinder, the connecting rod 334 sequentially passes through the first through hole 312 and the second through hole 324, the pressing member 320 is located between the pressing block 332 and the support base 310, and the cylinder is adapted to drive the pressing block 332 to move towards the support base 310 through the output rod 222 and the connecting rod 334. The model of the cylinder can be SDA25X50, and the cylinder can also be replaced by an electric cylinder.
[0051] As Figure 7 and Figure 9 shown in Figure 7 and Figure 9 , in this embodiment, a threaded hole is provided at the end of the output rod 222 of the cylinder, an external thread that is screwed and matched with the threaded hole is provided at the end of the connecting rod 334, and the connecting rod 334 and the output rod 222 are detachably connected by thread fitting for easy disassembly.
[0052] As Figure 10 shown in Figure 10 , in this embodiment, the base 202 includes a bottom plate 210, a support plate 240, and a support block 230. The opposite ends of the bottom of the support plate 240 are respectively connected to the bottom plate 210 through the support block 230, an assembly space is formed between the support plate 240 and the bottom plate 210, the cylinder is arranged in the assembly space, and the support plate is provided with a third through hole corresponding to the first through hole 312 of the support base 310 in position, and the output end of the cylinder extends out of the third through hole to be connected to the connecting rod 334.
[0053] As Figure 8 , Figure 9 and Figure 11 shown in Figure 8 , Figure 9 , and Figure 11 , in this embodiment, a limiting port 242 is provided on the support plate 240, a limiting block 220 is provided at the top of the cylinder, the limiting port 242 is rectangular, the shape and size of the limiting block 220 are the same as those of the limiting port 242, the limiting block 220 extends into the limiting port 242, a first connection hole is provided on the limiting block 220, a second connection hole is provided on the support base 310, and a first fixing member passes through the first connection hole and extends into the second connection hole.
[0054] As Figure 10 , Figure 11 and Figure 12 shown in Figure 10 , Figure 11 , and Figure 12 , in this embodiment, the bottom plate 210 is provided with a third connection hole, the support block 230 is provided with a fourth connection hole 232, the support plate 240 is provided with a fifth connection hole, and a second fixing member sequentially passes through the third connection hole and the fourth connection hole 232 and extends into the fifth connection hole.
[0055] As Figure 2As shown, in this embodiment, multiple clamping components 300 are arranged in a matrix on the base 202 to facilitate clamping of multiple parts P to be processed simultaneously.
[0056] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims
1. A fixture for processing a missile clamp bracket, characterized in that: include: Base (202); A clamping assembly (300) is arranged on the base (202), comprising a support seat (310), a support ring and a pressing piece (320); the support ring is arranged on the support seat (310) and is composed of a plurality of deformation strips; the deformation strips include a fixed section (318), a first deformation section (316) and a second deformation section (317); the fixed section (318) is arranged close to the center of the support ring; the first deformation section (316) and the second deformation section (317) are respectively extended obliquely from two edges of the fixed section (318) in a direction away from the center of the circle; the first deformation section (316) and the second deformation section (317) of two adjacent deformation strips form a deformation convex portion (314); The pressing piece (320) is detachably arranged at the output end of the driving mechanism, and the pressing piece (320) is suitable for moving in a direction close to the supporting ring under the drive of the driving mechanism, and a plurality of protrusions (322) are arranged at intervals on the edge of the pressing piece (320), and the protrusions (322) are suitable for extending into and pressing the ends of the first deformation section (316) and the second deformation section (317) of the deformation convex part (314) to move in directions away from each other; A plurality of the clamping assemblies (300) are arranged at intervals on the base (202).
2. The fixture according to claim 1, characterized in that: The cross-sectional shape of the first deformation section (316) and the second deformation section (317) is arc-shaped, and the first deformation section (316) and the second deformation section (317) of two adjacent deformation strips form a deformation convex portion (314) with an arc-shaped cross-sectional shape; the outer edge shape of the convex portion (322) is arc-shaped, and the size of the outer wall of the convex portion (322) is larger than the size of the inner wall of the deformation convex portion (314).
3. The fixture according to claim 1, characterized in that: The inner walls of the first deformation section (316) and the second deformation section (317) are first inclined surfaces extending from bottom to top in a direction away from the center of the circle, and the outer surface of the end of the protrusion (322) is a second inclined surface matching the first inclined surface.
4. The fixture according to any one of claims 1 to 3, characterized in that: The pressing piece (320) is transmission-connected to the output end of the driving mechanism via a pressing rod (330), and the pressing rod (330) comprises a connecting rod (334) detachably connected to the driving mechanism and a pressing block (332) located at the end of the connecting rod (334).
5. The fixture according to claim 4, characterized in that: The support seat (310) has a first through hole (312), the pressing piece (320) has a second through hole (324), the driving mechanism includes a cylinder, the connecting rod (334) is detachably connected to the output rod of the cylinder, the connecting rod (334) passes through the first through hole (312) and the second through hole (324) in sequence, the pressing piece (320) is located between the pressing block (332) and the support seat (310), and the cylinder is suitable for driving the pressing block (332) to move in a direction close to the support seat (310) through the output rod and the connecting rod (334).
6. The fixture according to claim 5, characterized in that: The end of the output rod of the cylinder is provided with a threaded hole, and the end of the connecting rod (334) is provided with an external thread that is screwed together with the threaded hole.
7. The fixture according to claim 5, characterized in that: The base (202) comprises a bottom plate (210), a support plate and a support block. The bottoms of the two opposite ends of the support plate are respectively connected to the bottom plate (210) through the support blocks. An assembly space is formed between the support plate and the bottom plate (210). The cylinder is arranged in the assembly space. The support plate is provided with a third through hole corresponding in position to the first through hole (312) of the support seat (310). The output end of the cylinder extends from the third through hole to be connected to the connecting rod (334).
8. The fixture according to claim 7, characterized in that: A limiting opening is provided on the support plate, a limiting block (220) is provided on the top of the cylinder, the limiting opening is rectangular, the limiting block (220) has the same shape and size as the limiting opening, the limiting block (220) extends into the limiting opening, a first connecting hole is provided on the limiting block (220), a second connecting hole is provided on the support seat (310), and a first fixing member passes through the first connecting hole and extends into the second connecting hole.
9. The fixture according to claim 7, characterized in that: The bottom plate (210) is provided with a third connection hole, the support block is provided with a fourth connection hole, the support plate is provided with a fifth connection hole, and the second fixing member passes through the third connection hole and the fourth connection hole in sequence and extends into the fifth connection hole.
10. The fixture according to claim 1, characterized in that: The plurality of clamping assemblies (300) are arranged in a matrix on the base (202).