Special-shaped part clamping tool for metal forging

Abstract

The invention relates to the technical field of metal forging, in particular to a special-shaped part clamping tool for metal forging, which comprises a sliding chute base, two symmetrically distributed sliding rail bottom plates are connected to the sliding chute base in a sliding manner, a bidirectional threaded rod assembly capable of controlling the two sliding rail bottom plates to move is arranged in the sliding chute base, and a support frame assembly is arranged on the sliding rail bottom plates. An angle adjusting assembly is rotationally connected to the supporting frame assembly, a positioning assembly capable of positioning the angle adjusting assembly is arranged on one side of the supporting frame assembly, a special-shaped clamping assembly is fixedly installed at one end of the angle adjusting assembly, and a clamping jaw length adjusting assembly is arranged at the end, close to the supporting frame assembly, of the special-shaped clamping assembly. A clamping jaw length positioning assembly is arranged between the special-shaped clamping assembly and the supporting frame assembly. The special-shaped part clamping tool for metal forging is high in universality and can adapt to forging of most special-shaped metal parts.

Description

Technical Field

[0001] The invention relates to the technical field of metal forging, in particular to a special-shaped piece clamping tool for metal forging. Background Art

[0002] The special-shaped parts clamping tool for metal forging is an important tool specially used to fix and support various non-standard shaped workpieces during the metal forging process; This type of tooling in the existing technology usually includes components such as a clamp seat, a positioning mechanism, a rotating mechanism, and a clamping mechanism. It can ensure the stability of the position and posture of the workpiece during the forging process, thereby improving the forging accuracy and efficiency, and rotate the special-shaped parts through the rotating mechanism to position the special-shaped parts at different angles. However, due to the complex shape of the special-shaped parts, special clamping devices are required. Summary of the Invention

[0003] In order to solve the above problems, the present invention provides a special-shaped piece clamping tool for metal forging, which has strong versatility and can adapt to the forging of most special-shaped metal pieces.

[0004] To solve the above technical problems, the present invention provides a technical solution: a metal forging special-shaped parts clamping tool, which includes a slide base, two symmetrically distributed slide rail bases are slidably connected to the slide base, a bidirectional threaded rod assembly is provided in the slide base for controlling the movement of the two slide rail bases, and a support frame assembly is provided on the slide rail bases; An angle adjustment assembly is rotatably connected to the support frame assembly, a positioning assembly that can position the angle adjustment assembly is provided on one side of the support frame assembly, a special-shaped clamping assembly is fixedly installed on one end of the angle adjustment assembly, a clamping claw length adjustment assembly is provided on the end of the special-shaped clamping assembly close to the support frame assembly, and a clamping claw length positioning assembly is provided between the special-shaped clamping assembly and the support frame assembly.

[0005] As an improvement, the support frame assembly includes a heightened frame body, on which a shaft frame is provided. The angle adjustment assembly includes a connecting shaft rotatably connected to the shaft frame, and a first gear is provided at one end of the connecting shaft.

[0006] As an improvement, the positioning assembly includes an extension frame located on one side of the height-enhancing frame, a first threaded rod is rotatably connected to the extension frame, a threaded sleeve is threadedly connected to the first threaded rod, a limiting frame is fixedly connected to one side of the threaded sleeve, a trapezoidal positioning block is provided at one end of the limiting frame away from the threaded sleeve, an arc-shaped tooth plate matching the first gear is provided on the trapezoidal positioning block, and a limiting groove is provided in the extension frame that is slidably connected to the threaded sleeve and the limiting frame.

[0007] As an improvement, the special-shaped clamping assembly includes a shell, a cover body is buckled on the shell, eight evenly distributed through slots are provided on the shell, eight second gears partially exposed in the through slots are rotatably connected in the shell, eight internal threaded sleeves corresponding to the second gears and slidably connected to the cover body are provided in the shell, the second gear can control the extension length of the corresponding internal threaded sleeve, and a pyramidal positioning claw is provided at the end of the internal threaded sleeve exposed from the cover body.

[0008] As an improvement, a second threaded rod is fixedly connected to the second gear, and eight limiting rails corresponding to the second threaded rod are provided on the inner wall of the shell. The internal threaded sleeve includes an internal threaded sleeve body threadedly connected to the second threaded rod, and the internal threaded sleeve body is provided with a limiting slide bar slidably connected to the limiting rail. The closed end of the internal threaded sleeve is provided with an extension rod, and the extension rod is fixedly connected to the pyramid positioning claw.

[0009] As an improvement, the clamping jaw length adjustment assembly includes a ring body rotatably connected to one end of the shell near the shaft frame, eight evenly distributed arc grooves are provided on the ring body, and sliding grooves are provided on both sides of the arc groove. Both ends of the sliding groove extend outside the ring body, and a tooth plate slidably connected to the sliding groove is provided in the arc groove. The tooth surface of the tooth plate is tangent to the first gear, and a number of evenly distributed first springs are provided between one end of the tooth plate and the arc groove.

[0010] As an improvement, the clamping jaw length positioning assembly includes four special-shaped blocks located in the shell, a rectangular block is provided in the center of the shell, four limiting strips distributed around the rectangular block are provided in the shell, the special-shaped block is provided with a strip groove slidingly connected to the limiting strip, the special-shaped block is provided with a tooth surface protrusion matching the angle between the two second gears at one end close to the two second gears, and a second spring is provided between the special-shaped block and the rectangular block.

[0011] As an improvement, the special-shaped block is provided with a semi-conical protrusion on one side close to the shell, and four strip-shaped grooves are provided on the shell that are slidably connected to the semi-conical protrusion. The four semi-conical protrusions can be brought together in the four strip-shaped grooves. The shell is fixedly connected to a column connected to the connecting shaft at one end close to the shaft frame, and a thread is provided at one end of the column close to the connecting shaft. An internal threaded ring body is connected to the outer thread of the column, and a limiting ring is provided on the side of the internal threaded ring body close to the shell that is slidably connected to the conical surface of the semi-conical protrusion, and a rotating handle is provided on the outside of the limiting ring.

[0012] After adopting the above structure, the present invention has the following advantages: After rotating one of the second gears, the second threaded rod rotates with the second gear, and the second threaded rod is spirally connected to the internal threaded sleeve. Under the cooperation of the limiting slide bar and the limiting rail, the position of the internal threaded sleeve is controlled, thereby adjusting the position of the pyramid positioning claw. Thus, by sequentially turning the second gears, several of the pyramid positioning claws can be positioned and clamped on the surfaces of the special-shaped part with different thicknesses; The toothed plate is kept in a tangential state with the second gear under the action of the first spring. After the ring body is rotated, the ring body drives the toothed plate to rotate. The toothed surface of the toothed plate drives the second gear to rotate when it moves. When one of the pyramid positioning claws touches the special-shaped part, the second gear corresponding to it cannot rotate. At this time, the toothed plate connected to the second gear slides relative to the slide groove until it is no longer in contact with the second gear, while the other pyramid positioning claws are not affected. The ring body is continued to rotate until all the pyramid positioning claws are in contact with the special-shaped part, that is, all the toothed plates slide out of the slide groove, thereby eliminating the need to individually shift the second gear. The position of the pyramid positioning claw can be locked by the clamping claw length positioning component, so that the pyramid positioning claw can position the positions of different thicknesses on both sides of the special-shaped part more stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is one of the structural schematic diagrams of a special-shaped part clamping tool for metal forging according to the present invention.

[0014] Figure 2 This is the second structural schematic diagram of a special-shaped piece clamping tool for metal forging according to the present invention.

[0015] Figure 3 It is a partial structural schematic diagram of a special-shaped part clamping tool for metal forging according to the present invention.

[0016] Figure 4 This is one of the structural schematic diagrams of a special-shaped clamping assembly of a special-shaped part clamping tool for metal forging according to the present invention.

[0017] Figure 5 This is the second structural schematic diagram of the special-shaped clamping assembly of the special-shaped part clamping tool for metal forging of the present invention.

[0018] Figure 6 This is the third structural schematic diagram of a special-shaped clamping assembly of a special-shaped part clamping tool for metal forging according to the present invention.

[0019] Figure 7 The present invention is a schematic structural diagram of an internal thread sleeve of a special-shaped part clamping tool for metal forging.

[0020] Figure 8 The present invention is a schematic structural diagram of a clamping jaw length adjustment assembly of a special-shaped piece clamping tool for metal forging.

[0021] Figure 9 This is one of the partial structural schematic diagrams of a clamping jaw length positioning assembly of a special-shaped piece clamping tool for metal forging according to the present invention.

[0022] Figure 10 This is the second partial structural schematic diagram of the clamping jaw length positioning assembly of a special-shaped part clamping tool for metal forging according to the present invention.

[0023] Figure 11 The present invention is a partial structural schematic diagram of a positioning assembly of a special-shaped part clamping tool for metal forging.

[0024] As shown in the figure: 1. Slide base; 2. Slide rail bottom plate; 3. Bidirectional threaded rod assembly; 4. Clamping jaw length adjustment assembly; 401. Ring body; 402. Arc groove; 403. Slide; 404. Tooth plate; 405. First spring; 5. Support frame assembly; 501. Elevating frame; 502. Axle frame; 6. Positioning assembly; 601. Extension frame; 602. Limiting slide; 603. First threaded rod; 604. Threaded sleeve; 605. Limiting frame; 606. Trapezoidal positioning block; 607. Arc tooth plate; 7. Clamping jaw length positioning assembly; 701. Special-shaped block; 702. Strip groove; 703. Tooth surface protrusion; 7 04. Second spring; 705. Semi-conical protrusion; 706. Internally threaded ring; 707. Limiting ring; 708. Rotating handle; 8. Angle adjustment assembly; 801. First gear; 802. Connecting shaft; 9. Special-shaped clamping assembly; 901. Shell; 903. Cover; 904. Internally threaded sleeve; 9041. Internally threaded sleeve; 9042. Limiting slide; 9043. Extension rod; 905. Through groove; 906. Second gear; 907. Pyramid positioning claw; 908. Column; 909. Second threaded rod; 910. Limiting rail; 911. Rectangular block; 912. Limiting strip block; 913. Strip slide. DETAILED DESCRIPTION

[0025] The present invention will be described in further detail below with reference to the accompanying drawings.

[0026] Combined with attachment Figure 1 , Attachment Figure 2 , Attachment Figure 3 and attached Figure 10 : A fixture for holding special-shaped parts for metal forging, comprising a chute base 1, to which two symmetrically distributed slide rail base plates 2 are slidably connected, a bidirectional threaded rod assembly 3 for controlling the movement of the two slide rail base plates 2 being provided within the chute base 1, a support frame assembly 5 being provided on the slide rail base plates 2, an angle adjustment assembly 8 being rotatably connected to the support frame assembly 5, and a positioning assembly 6 being provided on one side of the support frame assembly 5 for positioning the angle adjustment assembly 8; The support frame assembly 5 includes a heightened frame body 501, on which a shaft frame 502 is provided. The angle adjustment assembly 8 includes a connecting shaft 802 rotatably connected to the shaft frame 502, and one end of the connecting shaft 802 is provided with a first gear 801; The positioning assembly 6 includes an extension frame 601 located on one side of the heightening frame body 501, a first threaded rod 603 is rotatably connected to the extension frame 601, a threaded sleeve 604 is threadedly connected to the first threaded rod 603, a limiting frame 605 is fixedly connected to one side of the threaded sleeve 604, a trapezoidal positioning block 606 is provided at one end of the limiting frame 605 away from the threaded sleeve 604, an arc-shaped tooth plate 607 that cooperates with the first gear 801 is provided on the trapezoidal positioning block 606, and a limiting slot 602 that is slidably connected to the threaded sleeve 604 and the limiting frame 605 is provided in the extension frame 601; Through the above structure, the position of the slide rail base plate 2 at both ends is controlled by the bidirectional threaded rod assembly 3, thereby adjusting the distance. This is the existing technology, so it is not described here. The first threaded rod 603 is rotated to adjust the position of the threaded sleeve 604 in the limiting slide groove 602, and then the position of the trapezoidal positioning block 606 is adjusted. When the arc-shaped tooth plate 607 of the trapezoidal positioning block 606 is engaged with the teeth of the first gear 801, the connecting shaft 802 cannot rotate. When the arc-shaped tooth plate 607 of the trapezoidal positioning block 606 is separated from the teeth of the first gear 801, the connecting shaft 802 rotates freely.

[0027] Combined with attachment Figure 1 , Attachment Figure 4 , Attachment Figure 6 and attached Figure 7 : A special-shaped clamping assembly 9 is fixedly mounted on one end of the angle adjustment assembly 8. The special-shaped clamping assembly 9 includes a shell 901, a cover 903 is buckled on the shell 901, and eight evenly distributed through slots 905 are provided on the shell 901. Eight second gears 906 partially exposed in the through slots 905 are rotatably connected in the shell 901. Eight internally threaded sleeves 904 corresponding to the second gears 906 and slidably connected to the cover 903 are provided in the shell 901. The second gears 906 can control the extension length of the corresponding internally threaded sleeves 904. A pyramid positioning claw 907 is provided at one end of the internally threaded sleeve 904 exposed in the cover 903. A second threaded rod 909 is fixedly connected to the second gear 906. The inner wall of the housing 901 is provided with eight limiting rails 910 corresponding to the second threaded rod 909. The internally threaded sleeve 904 includes an internally threaded sleeve body 9041 threadedly connected to the second threaded rod 909. The internally threaded sleeve body 9041 is provided with a limiting slide 9042 slidably connected to the limiting rails 910. The closed end of the internally threaded sleeve 904 is provided with an extension rod 9043, which is fixedly connected to the pyramid positioning claw 907. Through the above structure: after rotating one of the second gears 906, the second threaded rod 909 rotates with the second gear 906, and the second threaded rod 909 is spirally connected to the internal threaded sleeve 9041. With the cooperation of the limiting slide 9042 and the limiting rail 910, the position of the internal threaded sleeve 9041 is controlled to adjust the position of the pyramid positioning claw 907. Therefore, by turning the second gear 906 in turn, several of the pyramid positioning claws 907 can be used to position and clamp the surfaces of the special-shaped parts with different thicknesses.

[0028] Combined with attachment Figure 4 , Attachment Figure 5 and attached Figure 8 : The special-shaped clamping assembly 9 is provided with a clamping jaw length adjustment assembly 4 at one end close to the support frame assembly 5, and the clamping jaw length adjustment assembly 4 includes a ring body 401 rotatably connected to one end of the shell 901 close to the shaft frame 502, and eight evenly distributed arc grooves 402 are provided on the ring body 401, and sliding grooves 403 are provided on both sides of the arc groove 402. Both ends of the sliding groove 403 extend to the outside of the ring body 401, and a tooth plate 404 is provided in the arc groove 402, which is slidingly connected to the sliding groove 403. The tooth surface of the tooth plate 404 is tangent to the first gear 801, and a number of evenly distributed first springs 405 are provided between one end of the tooth plate 404 and the arc groove 402.

[0029] Through this structure, the first spring 405 provides a preload, and the tooth plate 404 remains tangential to the second gear 906 under the action of the first spring 405. After the ring body 401 is rotated, the ring body 401 drives the tooth plate 404 to rotate, and the tooth surface of the tooth plate 404 drives the second gear 906 to rotate when moving. When one of the pyramid positioning claws 907 touches the special-shaped part, the corresponding second gear 906 cannot rotate. At this time, the tooth plate 404 in contact with this second gear 906 slides relative to the slide groove 403 until it is no longer in contact with this second gear 906, while the other pyramid positioning claws 907 are not affected. Continue to rotate the ring body 401 until all the pyramid positioning claws 907 are in contact with the special-shaped part, that is, all tooth plates 404 slide out relative to the slide groove 403.

[0030] Combined with attachment Figure 2 , Attachment Figure 3 , Attachment Figure 5 , Attachment Figure 6 , Attachment Figure 9 and attached Figure 10 : A clamping jaw length positioning assembly 7 is provided between the special-shaped clamping assembly 9 and the support frame assembly 5. The clamping jaw length positioning assembly 7 includes four special-shaped blocks 701 located in a housing 901. A rectangular block 911 is provided in the center of the housing 901. Four limiting strips 912 distributed around the rectangular block 911 are provided in the housing 901. A strip groove 702 is provided in the special-shaped block 701 to be slidably connected to the limiting strip 912. A tooth surface protrusion 703 that matches the angle between the two second gears 906 is provided at one end of the special-shaped block 701 close to the two second gears 906. A second spring 704 is provided between the special-shaped block 701 and the rectangular block 911. The special-shaped block 701 is provided with a semi-conical protrusion 705 on the side close to the shell 901, and four strip-shaped sliding grooves 913 are provided on the shell 901 to be slidably connected to the semi-conical protrusion 705. The four semi-conical protrusions 705 can be brought together in the four strip-shaped sliding grooves 913. The shell 901 is fixedly connected to a column 908 connected to the connecting shaft 802 at one end close to the shaft frame 502. The column 908 is provided with a thread at one end close to the connecting shaft 802. The external thread of the column 908 is connected to the internal threaded ring body 706. The internal threaded ring body 706 is provided with a limiting ring 707 that is slidably connected to the conical surface of the semi-conical protrusion 705 on the side close to the shell 901. A rotating handle 708 is provided on the outside of the limiting ring 707; Through the above structure, the second spring 704 provides pre-tension. When the tooth surface protrusion 703 contacts the two adjacent second gears 906, the tooth surface protrusion 703 limits the rotation of the two adjacent second gears 906. By rotating the handle 708, the limit ring 707 and the internal threaded ring body 706 are rotated, and the internal threaded ring body 706 is threadedly connected to the column 908. When the internal threaded ring body 706 and the limit ring 707 move toward the shell 901, since the limit ring 707 is slidably connected to the conical surface of the semi-conical protrusion 705, the semi-conical protrusion 705 moves along the strip groove 913 toward the column 908, and the semi-conical protrusion 705 drives the special-shaped block 701 to move along the limit strip block 912 toward the rectangular block 911, thereby separating the special-shaped block 701 from the two second gears 906. At this time, the second gear 906 can rotate freely.

[0031] During the specific implementation of the present invention, the special-shaped workpiece is placed between two symmetrical special-shaped clamping assemblies 9, and the distance between the two special-shaped clamping assemblies 9 is adjusted by the bidirectional threaded rod assembly 3. When the special-shaped clamping assemblies 9 on both sides of the special-shaped part are close to the special-shaped part, the clamping jaw length adjustment assembly 4 is rotated to make all the pyramid positioning claws 907 contact the special-shaped part, thereby completing the positioning of different thickness positions on both sides of the special-shaped part. Then, the rotating handle 708 is rotated to make the limit ring 707 gradually move away from the shell 901. Under the action of the second spring 704, the tooth surface protrusion 703 contacts the two adjacent second gears 906, thereby locking the position of the pyramid positioning claw 907, thereby forming a stable clamping. By rotating the first threaded rod 603, the positional relationship between the arc tooth plate 607 and the first gear 801 is controlled, thereby controlling the rotation angle of the special-shaped part, thereby forging different surfaces of the special-shaped part.

[0032] The above description of the present invention and its embodiments is non-limiting, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above description and, without departing from the purpose of the present invention, designs a structure and embodiment similar to the technical solution without creatively designing, they shall fall within the scope of protection of the present invention.

Claims

1. A fixture for holding special-shaped parts for metal forging, comprising a slide base (1), two symmetrically distributed slide rail bases (2) being slidably connected to the slide base (1), a bidirectional threaded rod assembly (3) for controlling the movement of the two slide rail bases (2) being provided in the slide base (1), and a support frame assembly (5) being provided on the slide rail bases (2), characterized in that: An angle adjustment component (8) is rotatably connected to the support frame component (5), a positioning component (6) capable of positioning the angle adjustment component (8) is provided on one side of the support frame component (5), a special-shaped clamping component (9) is fixedly installed on one end of the angle adjustment component (8), a clamping claw length adjustment component (4) is provided on one end of the special-shaped clamping component (9) close to the support frame component (5), and a clamping claw length positioning component (7) is provided between the special-shaped clamping component (9) and the support frame component (5).

2. The tool for holding special-shaped parts for metal forging according to claim 1, characterized in that: The support frame assembly (5) comprises a heightened frame body (501), a shaft frame (502) is provided on the heightened frame body (501), and the angle adjustment assembly (8) comprises a connecting shaft (802) rotatably connected to the shaft frame (502), and a first gear (801) is provided at one end of the connecting shaft (802).

3. The tool for holding special-shaped parts for metal forging according to claim 2, characterized in that: The positioning assembly (6) comprises an extension frame (601) located on one side of the heightening frame body (501), a first threaded rod (603) being rotatably connected in the extension frame (601), a threaded sleeve (604) being threadedly connected on the first threaded rod (603), a limiting frame (605) being fixedly connected on one side of the threaded sleeve (604), a trapezoidal positioning block (606) being provided at one end of the limiting frame (605) away from the threaded sleeve (604), an arc-shaped tooth plate (607) being provided on the trapezoidal positioning block (606) being matched with the first gear (801), and a limiting slide groove (602) being slidably connected to the threaded sleeve (604) and the limiting frame (605) being provided in the extension frame (601).

4. The tool for holding special-shaped parts for metal forging according to claim 2, characterized in that: The special-shaped clamping assembly (9) comprises a shell (901), a cover (903) being buckled on the shell (901), eight evenly distributed through slots (905) being provided on the shell (901), eight second gears (906) partially exposed from the through slots (905) being rotatably connected in the shell (901), eight internally threaded sleeves (904) corresponding to the second gears (906) and slidably connected to the cover (903) being provided in the shell (901), the second gears (906) being capable of controlling the extension length of the corresponding internally threaded sleeves (904), and a pyramidal positioning claw (907) being provided at one end of the internally threaded sleeve (904) exposed from the cover (903).

5. The tool for holding special-shaped parts for metal forging according to claim 4, characterized in that: A second threaded rod (909) is fixedly connected to the second gear (906), and the inner wall of the housing (901) is provided with eight limiting rails (910) corresponding to the second threaded rod (909). The internal threaded sleeve (904) includes an internal threaded sleeve body (9041) threadedly connected to the second threaded rod (909), and a limiting slide bar (9042) slidably connected to the limiting rail (910) is provided on the internal threaded sleeve body (9041). An extension rod (9043) is provided at the closed end of the internal threaded sleeve (904), and the extension rod (9043) is fixedly connected to the pyramid positioning claw (907).

6. The tool for holding special-shaped parts for metal forging according to claim 5, characterized in that: The clamping jaw length adjustment assembly (4) includes a ring body (401) rotatably connected to one end of the housing (901) near the shaft frame (502), and eight evenly distributed arc grooves (402) are provided on the ring body (401). Slide grooves (403) are provided on both sides of the arc groove (402), and both ends of the slide groove (403) extend to the outside of the ring body (401). A tooth plate (404) is provided in the arc groove (402) and is slidably connected to the slide groove (403). The tooth surface of the tooth plate (404) is tangent to the first gear (801), and a plurality of evenly distributed first springs (405) are provided between one end of the tooth plate (404) and the arc groove (402).

7. The tool for holding special-shaped parts for metal forging according to claim 4, characterized in that: The clamping jaw length positioning assembly (7) comprises four special-shaped blocks (701) located in a housing (901), a rectangular block (911) is provided in the center of the housing (901), four limiting strips (912) distributed around the rectangular block (911) are provided in the housing (901), a strip groove (702) slidably connected to the limiting strip (912) is provided in the special-shaped block (701), a tooth surface protrusion (703) matching the angle between the two second gears (906) is provided at one end of the special-shaped block (701) close to the two second gears (906), and a second spring (704) is provided between the special-shaped block (701) and the rectangular block (911).

8. The tool for holding special-shaped parts for metal forging according to claim 7, characterized in that: The special-shaped block (701) is provided with a semi-conical protrusion (705) on the side close to the shell (901), and four strip-shaped sliding grooves (913) are provided on the shell (901) and are slidably connected to the semi-conical protrusion (705). The four semi-conical protrusions (705) can be brought together in the four strip-shaped sliding grooves (913). The shell (901) is fixedly connected to a column (908) connected to the connecting shaft (802) at one end close to the shaft frame (502). The column (908) is provided with a thread at one end close to the connecting shaft (802). The external thread of the column (908) is connected to an internal threaded ring body (706). The internal threaded ring body (706) is provided with a limiting ring (707) on the side close to the shell (901) and is slidably connected to the conical surface of the semi-conical protrusion (705). A rotating handle (708) is provided on the outside of the limiting ring (707).

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