Four-axis clamp of front clamp body

Abstract

The utility model discloses a four-axis clamp for a front clamp body, which comprises a platform, a first clamp, a second clamp, a first clamping device, a second clamping device, a first clamping device, a second clamping device, a first clamping device and a second clamping device, the platform is arranged on a four-axis machining center, and the first clamp and the second clamp are respectively arranged on two surfaces of the platform; the first clamp comprises a first pressing part which is driven by a first oil cylinder and is used for pressing one side of the workpiece to be machined; the centering and clamping part is driven by a second oil cylinder and is used for automatically centering and clamping the other side of the workpiece to be machined; the positioning columns are arranged in pairs and used for being matched with positioning grooves in a workpiece to be machined for supporting; the ball socket rod is used for being matched with a ball socket groove in a workpiece to be machined for supporting; the auxiliary supporting piece is driven by a third oil cylinder, slides on the platform and is used for supporting the workpiece to be machined in the machining process; the second clamp comprises a mounting plate used for placing a workpiece to be machined, an arc face is formed on the contact face of the second clamp and the workpiece to be machined, and locking columns are symmetrically arranged on the mounting plate.

Description

Technical Field

[0001] This application relates to the technical field of jigs, and particularly to a four-axis jig for a front clamp body. Background Art

[0002] A jig refers to a device used in the mechanical manufacturing process to fix a processing object, make it occupy the correct position, and accept construction or inspection, also known as a fixture. When machining a workpiece on a machine tool, in order to make the surface of the workpiece meet the technical requirements such as the dimensions, geometric shapes, and mutual position accuracies with other surfaces specified in the drawing, the workpiece must be positioned and clamped before machining.

[0003] For clamping workpieces with specific shapes, corresponding clamping tools are required, such as a clamp body. Due to its complex processing steps and requirements for precision, especially for the larger front clamp body, its fixed machining is more difficult, and relatively higher requirements are put forward for the stability of fixture fixation.

[0004] The above content is only used to assist in understanding the technical solution of this application, and does not represent an admission that the above content is the closest prior art to this application. Summary of the Invention

[0005] Based on this, this application provides a four-axis jig for a front clamp body to solve one of the above technical problems.

[0006] The technical solution adopted by this application to solve its technical problems is: a four-axis jig for a front clamp body, including: a platform installed on a four-axis machining center, on which a first jig and a second jig are installed, and the first jig and the second jig are respectively installed on two sides of the platform; the first jig includes: a first pressing part driven by a first oil cylinder for pressing one side of the workpiece to be machined; a centering and clamping part driven by a second oil cylinder for automatically centering and clamping the other side of the workpiece to be machined; positioning columns that appear in pairs and are used to cooperate with positioning grooves on the workpiece to be machined for support; ball socket rods used to cooperate with ball socket grooves on the workpiece to be machined for support; an auxiliary support member driven by a third oil cylinder and sliding on the platform for providing support during the machining of the workpiece to be machined; the second jig includes: a mounting plate for placing the workpiece to be machined, and an arc surface is formed on the contact surface between it and the workpiece to be machined. Locking columns are symmetrically arranged on the mounting plate, and the locking columns are used to cooperate with locking holes on the workpiece to be machined for support; a second pressing part is installed on the mounting plate and driven by a fourth oil cylinder for pressing the workpiece to be machined.

[0007] In some embodiments, the positioning columns and the ball socket rods are installed on a first fixing plate, and the first fixing plate is detachably installed on the platform through spring pins.

[0008] In some embodiments, a pair of symmetrically arranged limiting rods are installed on the first fixing plate.

[0009] In some embodiments, the first pressing part includes: a first oil cylinder; a first pressing member rotatably arranged at the output end of the first oil cylinder, with its top extending towards the workpiece to be processed, an observation hole is formed on the first pressing member, and a resisting rod is arranged on the hole groove of the observation hole; a first fixing member installed on the platform and rotatably connected to the bottom of the first pressing member.

[0010] In some embodiments, the centering and clamping part includes: a second oil cylinder; a rotating member rotatably connected to the output end of the second oil cylinder, with its bottom rotating on the first fixing plate; centering blocks installed in pairs on the rotating member, and the bottom of the centering blocks is arc-shaped for automatically centering and resisting the workpiece to be processed when the rotating member deflects.

[0011] In some embodiments, the second fixture is installed on the platform through a second fixing plate, and the second fixing plate is also detachably installed on the platform through spring pins, and a pair of auxiliary supporting blocks are arranged on the second fixing plate.

[0012] In some embodiments, the second pressing part includes: a fourth oil cylinder on which a second fixing member is installed; a second pressing member rotatably arranged at the output end of the fourth oil cylinder; a connecting member, one end of which rotates on the second fixing member and the other end is rotatably connected to the second pressing member.

[0013] In some embodiments, at least two of the first fixture and the second fixture are respectively installed on one side of the platform.

[0014] In some embodiments, under the action of the four-axis machining center, the platform can rotate to perform the machining process.

[0015] The beneficial effects of the present application are as follows: The first fixture cooperates with the workpiece to be processed through the positioning column and the ball socket rod for support and positioning, and then is fixed by the first pressing part and the centering and clamping part for pressing and centering, which can effectively and stably fix the workpiece. During the machining process, the auxiliary supporting member can effectively provide support during the machining of the workpiece.

[0016] Similarly, the second fixture utilizes the locking hole on the workpiece to be processed and cooperates with the pressing of the second pressing part to effectively and conveniently fix the workpiece. The two sets of fixtures finally realize the fixation of the front clamp body with complex structure and large volume by different methods, which facilitates the machining process. Description of the Drawings

[0017] To more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0018] Figure 1 is a three-dimensional schematic diagram of the present application.

[0019] Figure 2 is a schematic diagram of the first fixture of the present application.

[0020] Figure 3 is a schematic diagram of another angle of the first fixture of the present application.

[0021] Figure 4 is a schematic diagram of the installation of the first pressing part of the present application.

[0022] Figure 5 is a schematic diagram of the installation of the centering and clamping part of the present application.

[0023] Figure 6 is a schematic diagram of the second fixture of the present application.

[0024] Figure 7 is a schematic diagram of another angle of the second fixture of the present application.

[0025] Figure 8 is a schematic diagram of the second pressing part of the present application.

[0026] Figure 9 is a schematic diagram of the workpiece to be processed of the present application.

[0027] Figure 10 is a schematic diagram of another angle of the workpiece to be processed of the present application.

[0028] Explanation of the reference numerals in the drawings: 1. Platform, 2. Four-axis machining center, 3. Workpiece to be processed, 31. Positioning groove, 32. Ball socket groove, 33. Cylinder hole, 34. Locking hole, 4. First fixture, 41. First pressing part, 411. First oil cylinder, 412. First pressing member, 413. First fixing member, 42. Centering and clamping part, 421. Second oil cylinder, 422. Rotating member, 423. Centering block, 43. Positioning column, 44. Ball socket rod, 45. Auxiliary support member, 46. Limiting rod, 47. Third oil cylinder, 5. Second fixture, 51. Mounting plate, 52. Locking column, 53. Second pressing part, 531. Fourth oil cylinder, 532. Second pressing member, 533. Connecting member, 54. Auxiliary support block, 6. First fixing plate, 7. Second fixing plate, 8. Spring pin. Detailed implementation manners

[0029] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present application. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection of the present application.

[0030] In the embodiment of the present application, please refer to Figure 1-10 As shown, a four-axis fixture for a front clamp body mainly includes: a platform 1 installed on a four-axis machining center 2, on which a first fixture 4 and a second fixture 5 are installed. The first fixture 4 and the second fixture 5 are respectively installed on two sides of the platform 1; the first fixture 4 includes: a first pressing part 41 driven by a first oil cylinder 411 for pressing one side of a workpiece 3 to be processed; a centering and clamping part 42 driven by a second oil cylinder 421 for automatically centering and clamping the other side of the workpiece 3 to be processed; positioning columns 43 that appear in pairs and are used to cooperate with positioning grooves 31 on the workpiece 3 to be processed for support; ball socket rods 44 used to cooperate with ball socket grooves 32 on the workpiece 3 to be processed for support; an auxiliary support member 45 driven by a third oil cylinder 47 and sliding on the platform 1, in contact with the hole surface of a cylinder hole 33 on the workpiece 3 to be processed, and used to provide support during the processing of the workpiece 3 to be processed; the second fixture 5 includes: a mounting plate 51 for placing and supporting the workpiece 3 to be processed, and an arc surface is formed on the contact surface with the workpiece 3 to be processed to facilitate fitting with the workpiece 3 to be processed. Locking columns 52 are symmetrically arranged on the mounting plate 51, and the locking columns 52 are used to cooperate with locking holes 34 on the workpiece 3 to be processed to support the workpiece 3 to be processed; a second pressing part 53 is installed on the mounting plate 51 and driven by a fourth oil cylinder 531 for pressing the workpiece 3 to be processed.

[0031] Next, some preferred / improved embodiments based on the above embodiments will be further elaborated. Any one or a combination of multiple of the following embodiments can be selected.

[0032] As Figure 3 shown, the positioning columns 43 and the ball socket rods 44 are installed on a first fixing plate 6, and the first fixing plate 6 is detachably installed on the platform 1 through spring pins 8, which is convenient for the disassembly, replacement and repair of components.

[0033] Further, a pair of symmetrically arranged limiting rods 46 are installed on the first fixing plate 6 for limiting the position of the workpiece 3 to be processed.

[0034] like Figure 4 As shown, the first clamping part 41 includes: a first oil cylinder 411; a first clamping member 412, which is rotatably arranged on the output end of the first oil cylinder 411, and its top extends toward the workpiece 3 to be processed, and an observation hole is opened on the first clamping member 412, and a resistance rod is arranged on the hole groove of the observation hole, and the resistance rod is used to directly contact and press the workpiece 3 to be processed downward; a first fixing member 413 is installed on the platform 1 and is rotatably connected to the bottom of the first clamping member 412, serving as a fulcrum for the deflection of the first clamping member 412. When the first clamping part 41 is working, the first oil cylinder 411 is started to push the first clamping member 412 upward, and the first clamping member 412 begins to rotate toward the workpiece 3 to be processed with the first fixing member 413 as the center of the circle until the resistance rod contacts and presses the workpiece 3 to be processed, thereby fixing one side of the workpiece 3 to be processed.

[0035] like Figure 5 As shown, the centering clamping part 42 includes: a second oil cylinder 421; a rotating member 422, which is rotatably connected to the output end of the second oil cylinder 421, and its bottom rotates on the first fixed plate 6; a centering block 423, which is installed in pairs on the rotating member 422, and its bottom is an arc guide, which is used to automatically center and contact the workpiece 3 to be processed when the rotating member 422 is deflected. When the centering clamping part 42 is working, the second oil cylinder 421 drives the rotating member 422 to rotate, and drives the centering block 423 installed on the rotating member 422 to contact the workpiece 3 to be processed. Under the action of the arc guide at the bottom of the centering block 423, it is automatically centered and presses the workpiece 3 to be processed from both sides.

[0036] like Figure 6 As shown, the second clamp 5 is mounted on the platform 1 via a second fixing plate 7, and the second fixing plate 7 is also detachably mounted on the platform 1 via a spring pin 8. A pair of auxiliary support blocks 54 are provided on the second fixing plate 7, and the auxiliary support blocks 54 are used to strengthen the structural strength of the second clamp 5.

[0037] like Figure 8 As shown, the second clamping part 53 includes: a fourth oil cylinder 531, on which a second fixing member is installed; a second clamping member 532, which is rotatably arranged on the output end of the fourth oil cylinder 531; a connecting member 533, one end of which is rotatably connected to the second fixing member and the other end is rotatably connected to the second clamping member 532, and is used to cooperate with the mounting plate 51 to clamp the workpiece 3 to be processed.

[0038] like Figure 1 As shown, at least two of the first clamps 4 and the second clamps 5 are respectively installed on one surface of the platform 1.

[0039] Specifically, under the action of the four-axis machining center 2, the platform 1 can rotate to perform the machining process, and multi-axis machining improves production efficiency.

[0040] During use, first perform the first process. Place the workpiece 3 to be machined at the corresponding position on the first fixture 4, align the ball socket groove 32 and the positioning groove 31 on the workpiece 3 to be machined with the ball socket rod 44 and the positioning post 43 respectively. Then start the first oil cylinder 411 to make the first pressing part 41 press one side of the workpiece 3 to be machined, and start the second oil cylinder 421 to make the centering and clamping part 42 automatically center and clamp the other side of the workpiece 3 to be machined. Finally, drive the auxiliary support 45 by the third oil cylinder 47 to support the hole surface of the cylinder hole 33 of the workpiece 3 to be machined.

[0041] After the workpiece 3 to be machined after preliminary machining is removed, use the four-axis machining center 2 to rotate the platform 1 and turn it to the other side of the platform 1.

[0042] Similarly, place the workpiece 3 to be machined on the second fixture 5, insert the locking post 52 into the locking hole 34, start the fourth oil cylinder 531, and drive the second pressing part 532 to press the workpiece 3 to be machined for the next machining operation.

[0043] So far, various embodiments of the present application have been described in detail. To avoid obscuring the concept of the present application, some details well known in the art are not described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein based on the above description.

[0044] Finally, it should be noted that the above are only the preferred embodiments of the present application. The foregoing embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present application.

Claims

1. A four-axis clamp for a front clamp body, characterized in that: include: A platform is installed on a four-axis machining center, and a first fixture and a second fixture are installed on the platform, wherein the first fixture and the second fixture are respectively installed on two sides of the platform; The first fixture comprises: A first clamping part, driven by a first oil cylinder, for clamping one side of a workpiece to be processed; A centering clamping part, driven by a second oil cylinder, for automatically centering and clamping the other side of the workpiece to be processed; Locating columns, which come in pairs, are used to cooperate with the locating grooves on the workpiece to be processed for support; A ball and socket rod is used to cooperate with a ball and socket groove on the workpiece to be processed for support; An auxiliary support member, driven by a third oil cylinder, slides on the platform and is used to provide support during the machining of the workpiece to be machined; The second fixture comprises: A mounting plate, used for placing the workpiece to be processed, wherein the contact surface between the mounting plate and the workpiece to be processed forms an arc surface, and locking columns are symmetrically arranged on the mounting plate, and the locking columns are used for cooperating with locking holes on the workpiece to be processed for support; The second clamping part is installed on the mounting plate and driven by the fourth oil cylinder to clamp the workpiece to be processed.

2. A four-axis clamp for a front clamp body according to claim 1, characterized in that: The positioning column and the ball-and-socket rod are mounted on a first fixing plate, and the first fixing plate is detachably mounted on the platform via a spring pin.

3. A four-axis clamp for a front clamp body according to claim 2, characterized in that: A pair of symmetrically arranged limiting rods are installed on the first fixing plate.

4. A four-axis clamp for a front clamp body according to claim 1, characterized in that: The first pressing portion comprises: First oil cylinder; A first pressing member is rotatably arranged on the output end of the first oil cylinder, and its top extends toward the workpiece to be processed. An observation hole is provided on the first pressing member, and an abutment rod is provided on the hole groove of the observation hole; The first fixing member is mounted on the platform and is rotatably connected to the bottom of the first pressing member.

5. The four-axis clamp of the front clamp body according to claim 2, characterized in that: The centering clamping portion comprises: Second oil cylinder; A rotating member, rotatably connected to the output end of the second oil cylinder, with its bottom rotating on the first fixed plate; The centering blocks are installed in pairs on the rotating member, and the bottom of the centering blocks is an arc guide, which is used for automatically centering and contacting the workpiece to be processed when the rotating member is deflected.

6. A four-axis fixture for a front clamp according to claim 1, characterized in that: The second fixture is mounted on the platform via a second fixing plate, and the second fixing plate is also detachably mounted on the platform via a spring pin, and a pair of auxiliary support blocks are arranged on the second fixing plate.

7. The four-axis clamp of the front clamp body according to claim 1, characterized in that: The second pressing portion comprises: a fourth oil cylinder, on which a second fixing member is mounted; A second pressing member, rotatably disposed on the output end of the fourth oil cylinder; A connecting member, one end of which is rotatably connected to the second fixing member, and the other end of which is rotatably connected to the second pressing member.

8. The four-axis clamp of the front clamp body according to claim 1, characterized in that: At least two of the first fixtures and the second fixtures are respectively installed on one surface of the platform.

9. The four-axis clamp of the front clamp body according to claim 1, characterized in that: Under the action of the four-axis machining center, the platform can be rotated to carry out the machining process.

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