Special-shaped part clamping and positioning device

Abstract

The invention relates to the technical field of special-shaped part machining and production, and particularly discloses a special-shaped part clamping and positioning device which comprises a clamping mechanism and a positioning mechanism, the clamping mechanism comprises a clamping chuck and a plurality of clamping assemblies, the clamping assemblies are arranged on the clamping chuck in the circumferential direction, and the positioning mechanism is arranged on the clamping chuck. The multiple clamping assemblies are detachably connected to the clamping chuck, the multiple clamping assemblies can be connected to the special-shaped part body in a pressed mode so that the special-shaped part body can be attached to the outer surface of the clamping chuck, and the positioning mechanism is used for clamping and fixing the clamping chuck. Through the arrangement, the clamping and fixing positions of the multiple clamping assemblies on the clamping chuck can be adaptively disassembled, assembled and adjusted according to the shape of the special-shaped part body, so that rapid clamping of the special-shaped part body is achieved, operation is flexible and convenient, universality is high, it is guaranteed that fixing is firm and reliable, the clamping and positioning precision of the special-shaped part body is effectively improved, and the working efficiency is improved. And the quality of subsequent production finished products is further improved.

Description

Technical Field

[0001] The invention relates to the technical field of processing and producing special-shaped parts, and in particular to a clamping and positioning device for special-shaped parts. Background Art

[0002] In the existing production process, in order to ensure the stability and reliability of the product during the processing, it is necessary to use a positioning fixture to clamp and fix it. When processing special-shaped products, due to the special shape of the products, traditional chucks and other tooling fixtures have certain limitations when clamping. The shape adaptability and matching are poor. Special-shaped products cannot fit well with the chuck's claws, making it difficult to complete stable clamping. It is easy to have loose clamping, eccentricity, etc., which will lead to a certain degree of reduction in subsequent processing accuracy and further affect the quality of the finished product.

[0003] Therefore, there is an urgent need for a special-shaped part clamping and positioning device to solve the above problems. Summary of the invention

[0004] The object of the present invention is to provide a device for clamping and positioning a special-shaped part, so as to solve the problem that it is difficult for existing positioning fixtures to clamp and fix the special-shaped parts with irregular shapes.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] The present invention provides a device for clamping and positioning a special-shaped part, comprising:

[0007] A clamping mechanism, the clamping mechanism comprising a clamping chuck and a plurality of clamping components, the plurality of clamping components are arranged on the clamping chuck along a circumferential direction, and the plurality of clamping components can be detachably connected to the clamping chuck, and the plurality of clamping components can be crimped to a special-shaped part body so that the special-shaped part body fits the outer surface of the clamping chuck;

[0008] A positioning mechanism is used to clamp and fix the clamping chuck.

[0009] As a preferred technical solution of the above-mentioned special-shaped part clamping and positioning device, the clamping assembly includes a connecting piece and a pressure plate, a plurality of mounting holes are opened on the clamping chuck, and the plurality of mounting holes are arranged in a circular array, the connecting piece passes through the pressure plate and is selectively connected to the hole wall of the mounting hole, so that the pressure plate can crimp the special-shaped part body to the outer surface of the clamping chuck.

[0010] As a preferred technical solution for the above-mentioned special-shaped part clamping and positioning device, a through adjustment slot hole is provided on the pressure plate, the adjustment slot hole is extended along the length direction of the pressure plate, and the length of the adjustment slot hole is smaller than the length of the pressure plate, and the connecting piece is passed through the adjustment slot hole.

[0011] As a preferred technical solution of the above-mentioned special-shaped part clamping and positioning device, the special-shaped part clamping and positioning device also includes a plurality of fixing parts, and the plurality of fixing parts are arranged in a one-to-one correspondence with the plurality of pressure plates, and the fixing parts pass through one end of the pressure plate away from the special-shaped part body, and are selectively connected to the hole wall of the mounting hole.

[0012] As a preferred technical solution of the above-mentioned special-shaped part clamping and positioning device, the special-shaped part clamping and positioning device also includes a plurality of support members, each of which has a support end and a connecting end along its own length direction, the support end abuts against and supports the special-shaped part body, and the connecting end is selectively connected to the mounting hole.

[0013] As a preferred technical solution of the above-mentioned special-shaped part clamping and positioning device, the connecting member is a bolt.

[0014] As a preferred technical solution of the above-mentioned device for clamping and positioning special-shaped parts, a positioning hole is provided on the clamping chuck, and the center of the positioning hole coincides with the center of the clamping chuck.

[0015] As an optimal technical solution of the above-mentioned special-shaped part clamping and positioning device, the positioning mechanism includes a positioning plate and a plurality of clamping parts, the plurality of clamping parts are arranged on the positioning plate along the circumferential direction, and the plurality of clamping parts are all clamped to the outer circumferential surface of the clamping chuck.

[0016] As a preferred technical solution of the above-mentioned device for clamping and positioning special-shaped parts, the clamping member is recessed with a positioning groove, and the positioning groove is in contact with the outer peripheral surface of the clamping chuck.

[0017] As a preferred technical solution of the above-mentioned special-shaped part clamping and positioning device, the number of the clamping assemblies is four.

[0018] The beneficial effects of the present invention are:

[0019] The present invention provides a special-shaped part clamping and positioning device, which includes: a clamping mechanism and a positioning mechanism, the clamping mechanism includes a clamping chuck and a plurality of clamping components, the plurality of clamping components are arranged on the clamping chuck along the circumferential direction, and the plurality of clamping components can be detachably connected to the clamping chuck, the plurality of clamping components can be crimped to the special-shaped part body so that the special-shaped part body fits the outer surface of the clamping chuck, and the positioning mechanism is used to clamp and fix the clamping chuck. With such a configuration, the clamping and fixing positions of the plurality of clamping components on the clamping chuck can be adaptively disassembled and adjusted according to the shape of the special-shaped part body, so as to realize the rapid clamping of the special-shaped part body, the operation is flexible and convenient, the versatility is strong, and the fixation is ensured to be firm and reliable, effectively improving the clamping and positioning accuracy of the special-shaped part body, and further improving the quality of the subsequent finished products. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic structural diagram of the device for clamping and positioning special-shaped parts provided by the present invention.

[0021] in:

[0022] 1. Clamping chuck; 101. Mounting hole; 102. Positioning hole;

[0023] 2. Special-shaped parts body;

[0024] 3. Clamping assembly; 31. Connecting piece; 32. Pressing plate; 321. Adjusting slot;

[0025] 4. Fixing part; 5. Support part; 6. Positioning plate; 7. Clip-on part. DETAILED DESCRIPTION

[0026] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0027] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.

[0028] Unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in contact with the second feature through another feature between them instead of being in direct contact. Moreover, a first feature being "above", "above" and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0030] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0031] like Figure 1 As shown, this embodiment provides a special-shaped part clamping and positioning device, which includes: a clamping mechanism and a positioning mechanism, the clamping mechanism includes a clamping chuck 1 and a plurality of clamping components 3, the plurality of clamping components 3 are arranged on the clamping chuck 1 along the circumferential direction, and the plurality of clamping components 3 can be detachably connected to the clamping chuck 1, the plurality of clamping components 3 can be crimped to the special-shaped part body 2, so that the special-shaped part body 2 fits the outer surface of the clamping chuck 1, and the positioning mechanism is used to clamp and fix the clamping chuck 1. In this way, according to the shape of the special-shaped part body 2, the clamping and fixing positions of the plurality of clamping components 3 on the clamping chuck 1 can be adaptively disassembled and adjusted to realize the rapid clamping of the special-shaped part body 2, the operation is flexible and convenient, the versatility is strong, and the fixation is ensured to be firm and reliable, effectively improving the clamping and positioning accuracy of the special-shaped part body 2, and further improving the quality of the subsequent finished products.

[0032] Specifically, the following scheme is exemplarily given in this embodiment: the clamping assembly 3 includes a connecting member 31 and a pressure plate 32, and a plurality of mounting holes 101 are provided on the clamping chuck 1, and the plurality of mounting holes 101 are arranged in a circular array, wherein m rows are arranged along the circumference of the clamping chuck 1, and n columns are arranged along the radial direction of the clamping chuck 1, and m and n are both integers greater than 1, and the connecting member 31 passes through the pressure plate 32 and is selectively connected to the hole wall of the mounting hole 101, so that the pressure plate 32 presses the special-shaped part body 2 to the outer surface of the clamping chuck 1. Specifically, the connecting member 31 is a bolt. In this way, by selectively connecting and cooperating with the hole wall of the plurality of mounting holes 101, the position of the pressure plate 32 can be quickly adjusted along the circumference and radial direction of the clamping chuck 1, so as to achieve stable and rapid clamping of the irregular-shaped special-shaped part body 2.

[0033] It should be noted that the number of rows and columns corresponding to the circular array arrangement of the plurality of mounting holes 101 can be set according to actual needs and is not further limited here.

[0034] Optionally, a through adjustment slot 321 is provided on the pressing plate 32, and the adjustment slot 321 is extended along the length direction of the pressing plate 32, and the length of the adjustment slot 321 is less than the length of the pressing plate 32, and the connecting member 31 is passed through the adjustment slot 321. With such a configuration, the connection position of the connecting member 31 and the corresponding mounting hole 101 can be quickly adjusted along the length direction of the adjustment slot 321, so as to achieve rapid clamping of the special-shaped part body 2, facilitate subsequent processing operations, and improve production efficiency. With such a configuration, the position of the connecting member 31 can be adjusted along the adjustment slot 321 on the basis of keeping the crimping position of the pressing plate 32 unchanged, so as to achieve rapid installation and positioning of the pressing plate 32, effectively improving the convenience and flexibility of the processing personnel.

[0035] Optionally, in order to improve the stability and reliability of the installation and fixation of the pressure plate 32, and to further provide the firmness of the crimping of the special-shaped part body 2, the special-shaped part clamping and positioning device also includes a plurality of fixing members 4, and the plurality of fixing members 4 are arranged one by one corresponding to the plurality of pressure plates 32, and the fixing members 4 pass through one end of the pressure plate 32 away from the special-shaped part body 2, and are selectively connected to the hole wall of the mounting hole 101.

[0036] Optionally, in order to further improve the processing stability of the special-shaped part body 2 and avoid the tool vibration during processing, the special-shaped part clamping and positioning device further includes a plurality of support members 5, the support members 5 having a support end and a connection end along their length direction, the support end abuts against and supports the special-shaped part body 2, and the connection end is selectively connected to the mounting hole 101. Specifically, the support member 5 is a bolt.

[0037] Optionally, a positioning hole 102 is provided on the clamping chuck 1, and the center of the positioning hole 102 coincides with the center of the clamping chuck 1. This arrangement provides a reference center point for the special-shaped body 2 when clamping and fixing it, avoiding the occurrence of eccentric clamping.

[0038] Optionally, in order to improve the stability and reliability of the installation and fixation of the clamping chuck 1, the positioning mechanism includes a positioning plate 6 and a plurality of clamping members 7, the plurality of clamping members 7 are arranged on the positioning plate 6 along the circumferential direction, and the plurality of clamping members 7 are clamped to the outer peripheral surface of the clamping chuck 1. Further, the clamping member 7 is concavely provided with a positioning groove, and the positioning groove is in contact with the outer peripheral surface of the clamping chuck 1.

[0039] In this embodiment, the number of the supporting members 5 and the clamping assemblies 3 is four.

[0040] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A device for clamping and positioning special-shaped parts, characterized in that: include: A clamping mechanism, the clamping mechanism comprising a clamping chuck (1) and a plurality of clamping assemblies (3), the plurality of clamping assemblies (3) being arranged on the clamping chuck (1) along a circumferential direction, and the plurality of clamping assemblies (3) being detachably connected to the clamping chuck (1), and the plurality of clamping assemblies (3) being capable of being crimped onto a special-shaped part body (2) so that the special-shaped part body (2) is fitted onto an outer surface of the clamping chuck (1); A positioning mechanism, the positioning mechanism is used to clamp and fix the clamping chuck (1).

2. The device for clamping and positioning special-shaped parts according to claim 1, characterized in that: The clamping assembly (3) comprises a connecting piece (31) and a pressing plate (32); a plurality of mounting holes (101) are provided on the clamping chuck (1); the plurality of mounting holes (101) are arranged in a circular array; the connecting piece (31) passes through the pressing plate (32) and is selectively connected to the hole wall of the mounting hole (101), so that the pressing plate (32) presses the special-shaped part body (2) onto the outer surface of the clamping chuck (1).

3. The device for holding and positioning special-shaped parts according to claim 2, characterized in that: The pressing plate (32) is provided with a through adjustment slot hole (321), the adjustment slot hole (321) is extended along the length direction of the pressing plate (32), and the length of the adjustment slot hole (321) is smaller than the length of the pressing plate (32), and the connecting member (31) is passed through the adjustment slot hole (321).

4. The device for clamping and positioning special-shaped parts according to claim 3, characterized in that: The special-shaped part clamping and positioning device also includes a plurality of fixing parts (4), and the plurality of fixing parts (4) are arranged in a one-to-one correspondence with the plurality of pressing plates (32), and the fixing parts (4) pass through one end of the pressing plate (32) away from the special-shaped part body (2), and are selectively connected to the hole wall of the mounting hole (101).

5. The device for clamping and positioning special-shaped parts according to claim 2, characterized in that: The special-shaped component clamping and positioning device further comprises a plurality of support components (5), wherein the support components (5) have support ends and connecting ends along their length direction, wherein the support ends abut against and support the special-shaped component body (2), and the connecting ends are selectively connected to the mounting holes (101).

6. The device for clamping and positioning special-shaped parts according to claim 2, characterized in that: The connecting member (31) is a bolt.

7. The device for clamping and positioning a special-shaped part according to any one of claims 1 to 6, characterized in that: The clamping chuck (1) is provided with a positioning hole (102), and the center of the positioning hole (102) coincides with the center of the clamping chuck (1).

8. The device for clamping and positioning a special-shaped part according to any one of claims 1 to 6, characterized in that: The positioning mechanism comprises a positioning plate (6) and a plurality of clamping members (7), wherein the plurality of clamping members (7) are arranged on the positioning plate (6) along a circumferential direction, and the plurality of clamping members (7) are all clamped to the outer peripheral surface of the clamping chuck (1).

9. The device for clamping and positioning special-shaped parts according to claim 8, characterized in that: The clamping piece (7) is recessed with a positioning slot, and the positioning slot is in contact with the outer peripheral surface of the clamping chuck (1).

10. The device for clamping and positioning a special-shaped part according to any one of claims 1 to 6, characterized in that: The number of the clamping assemblies (3) is four.

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