Flexible clamping device for mold core

Abstract

The utility model discloses a flexible mold core clamping device which comprises a workbench, a rotary table is arranged at the top of the workbench, a fixing frame is arranged on the top side of the rotary table, and a clamping assembly is arranged on the inner side of the fixing frame. The clamping assembly comprises a mounting frame arranged on the inner side of the fixing frame, a sliding groove is fixedly connected to the inner wall of a through hole of the mounting frame, a sliding block is fixedly connected to one end of a sliding rod, one side of the sliding block is inserted into the sliding groove, the sliding block and the sliding groove are in sliding connection, a through hole is formed in the mounting frame, and the sliding rod is inserted into the through hole. An electromagnet is fixedly connected to the inner wall of the through hole, an iron block is fixedly connected to one end of the sliding rod and is in magnetic connection with the electromagnet, the outer wall of the sliding rod is sleeved with a supporting spring, one end of the sliding rod is fixedly connected with a clamping rod, one end of the supporting spring is connected with the clamping rod, and a to-be-machined mold core is clamped to the inner side of the clamping rod. According to the device, the clamping rod can be attached to the outer wall of the to-be-machined mold core in shape, and the stability of the to-be-machined mold core in the clamping machining process is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of core processing, in particular to a flexible clamping device for a core. Background Art

[0002] The core is commonly known as "mud core" or "core"; it is used to form the internal structure of the casting during casting. It is often made of core sand made of raw sand and binder (water glass, resin, etc.) and is made by hand or machine (such as core blowing machine, core shooting machine, etc.) in the core box.

[0003] At present, cores are usually required for machining precision workpieces of transmission systems. In order to ensure the accuracy of the core, the core needs to be machined. Therefore, a clamping device is needed to fix the core. However, the existing clamping device cannot ensure the fit with the surface shape of the core, which affects the stability of the clamping and needs to be improved. Utility Model Content

[0004] The utility model aims to provide a flexible clamping device for a core, so as to solve the problem that the clamping device proposed in the above background technology cannot ensure the fit with the surface shape of the core.

[0005] To achieve the above object, the utility model provides the following technical solutions: a core flexible clamping device, comprising a workbench, a turntable is arranged on the top of the workbench, a fixing frame is arranged on the top side of the turntable, and a clamping assembly is arranged inside the fixing frame;

[0006] The clamping assembly includes a mounting frame arranged on the inner side of the fixed frame, a through hole is opened on the mounting frame, a sliding rod is inserted in the through hole, an electromagnet is fixedly connected to the inner wall of the through hole, an iron block is fixedly connected to one end of the sliding rod, the iron block is magnetically connected to the electromagnet, a supporting spring is sleeved on the outer wall of the sliding rod, a clamping rod is fixedly connected to one end of the sliding rod, one end of the supporting spring is connected to the clamping rod, and the inner side of the clamping rod clamps the core to be processed.

[0007] Preferably, a slide groove is fixedly connected to the inner wall of the through hole of the mounting frame, and a slide block is fixedly connected to one end of the slide rod.

[0008] Preferably, one side of the slider is inserted into the slide groove, and the slider and the slide groove form a sliding connection.

[0009] Preferably, an iron block is arranged on the inner side of the sliding block, and one iron block is arranged on each of the upper and lower ends of the sliding block.

[0010] Preferably, the slide bar is slidably connected to the mounting frame.

[0011] Preferably, the fixing frame is symmetrically distributed about the bisector of the turntable, a second motor is fixedly connected to one side of the fixing frame, the fixing frame is rotatably connected to the mounting frame, and a shaft on one side of the mounting frame is connected to the second motor.

[0012] Preferably, a first motor is fixedly connected to the bottom of the workbench, the workbench is rotatably connected to the turntable, and the shaft of the first motor is connected to the shaft at the bottom of the turntable.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) The device can make the clamping rod fit the shape of the outer wall of the core to be processed, thereby improving the stability of the core to be processed during the clamping process.

[0015] (2) The device is provided with a clamping rod that can slide laterally on the mounting frame. One end of the clamping rod has a smaller diameter and can be located at different positions on the outer wall of the core to be processed. At the same time, the clamping rod can also be fixed by magnetic automatic clamping, thereby ensuring the stability of the core to be processed during the clamping process.

[0016] (3) The device provides a slide groove on the inner wall of the through hole of the mounting frame, and provides a slider at one end of the slide rod to connect with the slide groove, thereby improving the stability of the slide rod during sliding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of a flexible clamping device for a core according to the utility model;

[0018] Figure 2 The utility model is a core flexible clamping device Figure 1 Enlarged view of point A in the middle;

[0019] Figure 3 It is a side sectional view of a mounting frame of a core flexible clamping device of the utility model;

[0020] Figure 4 The utility model is a core flexible clamping device Figure 3 Enlarged view of point B in the middle.

[0021] In the figure: 1. turntable; 2. workbench; 3. first motor; 4. second motor; 5. fixed frame; 6. clamping assembly; 61. slide rod; 62. mounting frame; 63. clamping rod; 64. supporting spring; 65. slide groove; 66. slider; 67. electromagnet; 68. iron block; 7. core to be processed. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides a technical solution: a core flexible clamping device, including a workbench 2, a turntable 1 is arranged on the top of the workbench 2, a first motor 3 is fixedly connected to the bottom of the workbench 2, the workbench 2 is rotatably connected to the turntable 1, and the shaft of the first motor 3 is connected to the shaft at the bottom of the turntable 1; this structure can drive the turntable 1 to rotate through the first motor 3, thereby facilitating the core 7 to be processed to adjust the processing angle; a fixed frame 5 is arranged on the top side of the turntable 1, and the fixed frame 5 is symmetrically distributed about the bisector of the turntable 1, a second motor 4 is fixedly connected to one side of the fixed frame 5, the fixed frame 5 is rotatably connected to the mounting frame 62, and the shaft on one side of the mounting frame 62 is connected to the second motor 4; this structure can drive the mounting frame 62 and the core 7 to be processed inside the mounting frame 62 to adjust the processing angle through the second motor 4; a clamping assembly 6 is arranged on the inner side of the fixed frame 5;

[0024] The clamping assembly 6 includes a mounting frame 62 arranged on the inner side of the fixing frame 5, and a slide groove 65 is fixedly connected to the inner wall of the through hole of the mounting frame 62, and a slider 66 is fixedly connected to one end of the slide rod 61; this structure can realize the clamping and release of the core 7 to be processed through the movement of the slide rod 61; one side of the slider 66 is inserted into the slide groove 65, and the slider 66 and the slide groove 65 form a sliding connection; an iron block 68 is arranged on the inner side of the slider 66, and one slider 66 is respectively arranged on the upper and lower ends of the iron block 68; this structure can limit the shaking of the slide rod 61 by arranging the slider 66 and the slide groove 65; the slide rod 61 is slidably connected to the mounting frame 62; this structure can realize the movement of the slide rod 61 while providing The stability of the high slide bar 61 is improved; a through hole is opened on the mounting frame 62, and the slide bar 61 is inserted in the through hole, and an electromagnet 67 is fixedly connected to the inner wall of the through hole, and an iron block 68 is fixedly connected to one end of the slide bar 61, and the iron block 68 is magnetically connected to the electromagnet 67. A supporting spring 64 is sleeved on the outer wall of the slide bar 61, and a clamping rod 63 is fixedly connected to one end of the slide bar 61, and one end of the supporting spring 64 is connected to the clamping rod 63, and the inner side of the clamping rod 63 clamps the core 7 to be processed; the device can fix the slide bar 61 through the magnetic adsorption and fixation of the iron block 68 and the electromagnet 67, so that the slide bar 61 is fixed on the mounting frame 62, thereby improving the stability of the clamping rod 63 at one end of the slide bar 61 clamping the core 7 to be processed.

[0025] Working principle: When using the core flexible clamping device, first move the core 7 to be processed to the inner side of the clamping rod 63, then adjust the magnetic force of the electromagnet 67 to reduce the magnetic force of the electromagnet 67, and then push the slide bar 61 and the clamping rod 63 to move toward the outer wall of the core 7 to be processed under the support of the support spring 64, until the clamping rod 63 contacts the outer wall of the core 7 to be processed, and then adjust the magnetic force of the electromagnet 67 to increase, so that the electromagnet 67 and the iron block 68 on the outer wall of the slide bar 61 are magnetically adsorbed and fixed, and then the slide bar 61 is fixed, and the core 7 to be processed is clamped, and then the core 7 to be processed can be processed. During the processing, the first motor 3 and the second motor 4 can be started to adjust the processing angle of the core 7 to be processed to improve the processing efficiency.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A core flexible clamping device, comprising a workbench (2), characterized in that: A turntable (1) is arranged on the top of the workbench (2), a fixing frame (5) is arranged on the top side of the turntable (1), and a clamping assembly (6) is arranged on the inner side of the fixing frame (5); The clamping assembly (6) comprises a mounting frame (62) arranged on the inner side of the fixing frame (5), the mounting frame (62) being provided with a through hole, a sliding rod (61) being inserted into the through hole, an electromagnet (67) being fixedly connected to the inner wall of the through hole, an iron block (68) being fixedly connected to one end of the sliding rod (61), the iron block (68) being magnetically connected to the electromagnet (67), a supporting spring (64) being sleeved on the outer wall of the sliding rod (61), a clamping rod (63) being fixedly connected to one end of the sliding rod (61), one end of the supporting spring (64) being connected to the clamping rod (63), and a core (7) to be processed is clamped on the inner side of the clamping rod (63).

2. A core flexible clamping device according to claim 1, characterized in that: A slide groove (65) is fixedly connected to the inner wall of the through hole of the mounting frame (62), and a slide block (66) is fixedly connected to one end of the slide rod (61).

3. A core flexible clamping device according to claim 2, characterized in that: One side of the sliding block (66) is inserted into the sliding groove (65), and the sliding block (66) and the sliding groove (65) form a sliding connection.

4. A core flexible clamping device according to claim 2, characterized in that: An iron block (68) is arranged on the inner side of the slider (66), and one is arranged at each of the upper and lower ends of the slider (66) with respect to the iron block (68).

5. A core flexible clamping device according to claim 1, characterized in that: The sliding rod (61) and the mounting frame (62) are in sliding connection.

6. A core flexible clamping device according to claim 1, characterized in that: The fixing frame (5) is symmetrically distributed about the bisector of the turntable (1); a second motor (4) is fixedly connected to one side of the fixing frame (5); the fixing frame (5) is rotatably connected to the mounting frame (62); and a shaft on one side of the mounting frame (62) is connected to the second motor (4).

7. A core flexible clamping device according to claim 1, characterized in that: A first motor (3) is fixedly connected to the bottom of the workbench (2); the workbench (2) is rotatably connected to the turntable (1); and the shaft of the first motor (3) is connected to the shaft at the bottom of the turntable (1).

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