Clamping device for fastener polishing

Abstract

The clamping device comprises a base, a positioning assembly is arranged above an air cylinder, the positioning assembly comprises a stand column, a fixing frame and a first electromagnet are fixedly installed on the top face of a supporting plate, one end of a strip-shaped rod is fixedly connected with a push block, and the other end of the strip-shaped rod is fixedly connected with a permanent magnet. The outer surface of one side of the permanent magnet is fixedly connected with an insulating spring, the two sets of push blocks are pushed to be close to the head of the bolt fastener through the positioning assembly and the two first electromagnets, the bolt fastener is temporarily fixed, the center axis of the bolt fastener is parallel to the vertical direction at the moment, and then the two air cylinders drive the two clamping blocks to clamp the rod portion of the bolt fastener. And meanwhile, the two first electromagnets are powered off, the head of the bolt fastener is loosened, by means of the structure, the bolt fastener can be kept vertical, inclination of the angle of the bolt fastener during clamping is avoided, the influence of inclination of the bolt fastener on the grinding quality is reduced, and the flexibility of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping devices, and more specifically, to a clamping device for grinding fasteners. Background Art

[0002] Fasteners refer to mechanical parts that fasten two or more parts together. The main types of fasteners are bolts, screws, etc. After the fasteners are produced, surface defects need to be polished. The traditional clamping device for fastener polishing consists of main components such as clamping blocks and cylinders. The bolt fastener is placed in the center of two clamping blocks, and the clamping blocks are pushed by the cylinder to clamp the fastener. However, before clamping, the traditional fastener polishing device will tilt to one side due to the influence of gravity, causing the angle of the bolt fastener to shift when clamping, which affects the polishing quality to a certain extent. In order to address the shortcomings of the existing technology, we propose a clamping device for fastener polishing. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides a clamping device for fastener grinding to solve the problem that before clamping, the bolt tilts to one side due to the influence of gravity in the traditional fastener grinding device, causing the angle of the bolt fastener to shift when clamping, which affects the grinding quality to a certain extent.

[0004] In order to solve the above technical problems, the present utility model provides the following technical solutions: a clamping device for grinding fasteners, comprising a base, a cylinder is provided above the base, one end of a push rod of the cylinder is fixedly connected to a clamping block, a positioning assembly is provided above the cylinder, and a storage assembly is provided below the clamping block;

[0005] The positioning assembly includes a column, which is fixedly mounted on the top surface of the base, and the top of the column is fixedly connected to a support plate, and the top surface of the support plate is fixedly mounted with a fixing frame and an electromagnet 1, and the electromagnet 1 is located on one side of the fixing frame, and the inner wall of the fixing frame is slidably connected to a strip rod, one end of the strip rod is fixedly connected to a push block, and the other end of the strip rod is fixedly connected to a permanent magnet, and an insulating spring is fixedly connected to the outer surface of one side of the permanent magnet, and the end of the insulating spring away from the permanent magnet is fixedly connected to the fixing frame.

[0006] The magnetic poles of the electromagnet one and the permanent magnet are the same, the length direction of the strip rod is parallel to the length direction of the base, and the push block is V-shaped.

[0007] Among them, there are two groups of cylinders, clamping blocks and positioning components, and they are symmetrically distributed about the normal of the top surface of the base. The two cylinders are fixedly installed at the bottom of the two support plates respectively. Bolt fasteners are provided between the two push blocks, and the two clamping blocks are used to clamp the rods of the bolt fasteners.

[0008] Among them, the storage component includes a servo motor, which is fixedly installed on the outer surface of one side of one of the columns, the output end of the servo motor is fixedly connected to a turntable, the outer wall of the turntable is fixedly connected to a connecting rod, the end of the connecting rod away from the turntable is fixedly connected to an electromagnet 2, the top surface of the base is fixedly connected to a support frame, the outer surface of one side of the support frame is fixedly connected to a rectangular tube, the top surface of the rectangular tube is provided with a strip groove, the outer surface of one side of the rectangular tube is fixedly connected to a baffle, and a material frame is provided under the rectangular tube.

[0009] Wherein, the top surface of the second electromagnet is in contact with the bottom surface of the rod of the bolt fastener.

[0010] The cross section of the rectangular tube is concave, and the width of the strip groove is between the diameter of the rod and the diameter of the head of the bolt fastener.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] The utility model uses a positioning component, including a push block, to place the bolt fastener between the two push blocks, and when the two electromagnets are energized, the two electromagnets will push the two groups of permanent magnets, the bar rod and the push block close to the head of the bolt fastener, temporarily fixing the bolt fastener so that the V-shaped profiles of the two push blocks fit with the hexagonal head of the bolt fastener. At this time, the central axis of the bolt fastener is parallel to the vertical direction, and then the two cylinders drive the two clamping blocks to clamp the rod of the bolt fastener. At the same time, when the two electromagnets are powered off, the head of the bolt fastener is loosened, and the grinding tool can be used to grind it. With the above structure, the two push blocks fit with the head of the bolt fastener, so that the bolt can be kept vertical, avoiding the bolt from tilting to one side under the influence of gravity, thereby avoiding the bolt fastener from tilting at an angle when clamping, reducing the influence of the bolt fastener tilt on the grinding quality, and improving the flexibility of the device;

[0013] The utility model uses a storage component, including a servo motor. After grinding is completed, the electromagnet 2 is connected to the power supply, so that the electromagnet 2 absorbs the bolt fastener, and then controls the two cylinders to drive the two clamping blocks away from the bolt fastener. The servo motor drives the turntable, the connecting rod and the electromagnet 2 to rotate 180 degrees. At this time, the head of the bolt fastener is located below the strip groove. At this time, the strip groove clamps the head of the bolt fastener. When the turntable continues to rotate, the bolt fastener will fall off the surface of the electromagnet 2 and fall into the material frame. With the above structure, the servo motor drives the bolt fastener to flip, so that the bolt fastener can be quickly stored in the material frame, thereby improving the efficiency of the user in grinding the bolt fastener and improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the positioning component structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the storage component structure of the present utility model.

[0017] [reference numerals]

[0018] 1. Base; 2. Cylinder; 3. Clamp; 4. Positioning assembly; 5. Storage assembly; 41. Column; 42. Support plate; 43. Fixing frame; 44. Electromagnet 1; 45. Strip rod; 46. Push block; 47. Permanent magnet; 48. Insulating spring; 51. Servo motor; 52. Turntable; 53. Connecting rod; 54. Electromagnet 2; 55. Support frame; 56. Rectangular tube; 57. Strip groove; 58. Baffle; 59. Material frame. DETAILED DESCRIPTION

[0019] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, a detailed description will be given below with reference to the accompanying drawings and specific embodiments.

[0020] As attached Figure 1 To the attached Figure 3 The embodiment of the present utility model provides a clamping device for grinding fasteners, comprising a base 1, a cylinder 2 is provided above the base 1, a clamping block 3 is fixedly connected to one end of a push rod of the cylinder 2, a positioning assembly 4 is provided above the cylinder 2, and a storage assembly 5 is provided below the clamping block 3;

[0021] The positioning assembly 4 includes a column 41, which is fixedly mounted on the top surface of the base 1. The top of the column 41 is fixedly connected to a support plate 42. The top surface of the support plate 42 is fixedly mounted with a fixing frame 43 and an electromagnet 44, and the electromagnet 44 is located on one side of the fixing frame 43. The inner wall of the fixing frame 43 is slidably connected to a strip rod 45, one end of the strip rod 45 is fixedly connected to a push block 46, and the other end of the strip rod 45 is fixedly connected to a permanent magnet 47. An insulating spring 48 is fixedly connected to the outer surface of one side of the permanent magnet 47, and the end of the insulating spring 48 away from the permanent magnet 47 is fixedly connected to the fixing frame 43.

[0022] Among them, the magnetic poles of the electromagnet 44 and the permanent magnet 47 are the same on the side adjacent to each other, the length direction of the bar 45 is parallel to the length direction of the base 1, and the push block 46 is V-shaped;

[0023] The insulating spring 48 can push the permanent magnet 47, the strip rod 45 and the push block 46 away from the head of the bolt fastener. When the electromagnet 44 is energized, it will push the permanent magnet 47, the strip rod 45 and the push block 46 towards the head of the bolt fastener, so that the push block 46 fits the hexagonal contour of the bolt fastener head to limit the central axis of the bolt fastener to be parallel to the vertical direction.

[0024] There are two sets of cylinders 2, clamping blocks 3 and positioning components 4, and they are symmetrically distributed about the normal line of the top surface of the base 1. The two cylinders 2 are fixedly mounted on the bottom of the two support plates 42 respectively. A bolt fastener is provided between the two push blocks 46. The two clamping blocks 3 are used to clamp the rods of the bolt fasteners.

[0025] The two clamping blocks 3 are pushed by the two cylinders 2 respectively, so as to clamp the rod of the bolt fastener.

[0026] Among them, the storage component 5 includes a servo motor 51, which is fixedly installed on the outer surface of one side of one of the columns 41. The output end of the servo motor 51 is fixedly connected to a turntable 52, and the outer wall of the turntable 52 is fixedly connected to a connecting rod 53. The end of the connecting rod 53 away from the turntable 52 is fixedly connected to an electromagnet 2 54. The top surface of the base 1 is fixedly connected to a support frame 55, and the outer surface of one side of the support frame 55 is fixedly connected to a rectangular tube 56. The top surface of the rectangular tube 56 is provided with a strip groove 57, and the outer surface of one side of the rectangular tube 56 is fixedly connected to a baffle 58. A material frame 59 is provided below the rectangular tube 56.

[0027] Wherein, the top surface of the second electromagnet 54 is in contact with the bottom surface of the bolt fastener rod;

[0028] The bolt fastener is adsorbed by the second electromagnet 54 , and when the two push blocks 46 and the two clamping blocks 3 loosen the bolt fastener, the servo motor 51 can drive the bolt fastener to rotate.

[0029] The cross section of the rectangular tube 56 is concave, and the width of the strip groove 57 is between the diameter of the shank and the diameter of the head of the bolt fastener;

[0030] By driving the bolt fastener to rotate 180 degrees through the servo motor 51, the strip groove 57 can clamp the head of the bolt fastener. At this time, the bolt fastener will fall off the surface of the electromagnet 2 54 and fall into the rectangular tube 56. The baffle 58 can prevent the bolt fastener from falling outside the material frame 59 during the falling process.

[0031] The working process of this utility model is as follows:

[0032] First, place the bolt fastener between the two push blocks 46 and energize the two electromagnets 44. At this time, the two electromagnets 44 will push the two sets of permanent magnets 47, the bar 45 and the push blocks 46 close to the head of the bolt fastener, temporarily fixing the bolt fastener so that the V-shaped profiles of the two push blocks 46 fit the hexagonal head of the bolt fastener. At this time, the central axis of the bolt fastener is parallel to the vertical direction. Then, the two cylinders 2 drive the two clamping blocks 3 to clamp the rod of the bolt fastener. At the same time, the two electromagnets 44 are disconnected from the power supply to loosen the head of the bolt fastener. You can use a grinding tool to grind it. After grinding is completed, connect the power supply of electromagnet 2 54 to make electromagnet 2 54 absorb the bolt fastener, then control the two cylinders 2 to drive the two clamping blocks 3 away from the bolt fastener, and the servo motor 51 drives the turntable 52, the connecting rod 53 and the electromagnet 2 54 to rotate 180 degrees. At this time, the head of the bolt fastener is located below the strip groove 57. At this time, the strip groove 57 clamps the head of the bolt fastener. When the turntable 52 continues to rotate, the bolt fastener will fall off from the surface of the electromagnet 2 54 and fall into the material frame 59.

[0033] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0034] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0035] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A clamping device for grinding fasteners, comprising a base (1), characterized in that: A cylinder (2) is provided above the base (1), one end of a push rod of the cylinder (2) is fixedly connected to a clamping block (3), a positioning assembly (4) is provided above the cylinder (2), and a storage assembly (5) is provided below the clamping block (3); The positioning assembly (4) comprises a column (41), the column (41) is fixedly mounted on the top surface of the base (1), the top end of the column (41) is fixedly connected to a support plate (42), the top surface of the support plate (42) is fixedly mounted with a fixing frame (43) and an electromagnet (44), and the electromagnet (44) is located on one side of the fixing frame (43), the inner wall of the fixing frame (43) is slidably connected to a strip rod (45), one end of the strip rod (45) is fixedly connected to a push block (46), the other end of the strip rod (45) is fixedly connected to a permanent magnet (47), an outer surface of one side of the permanent magnet (47) is fixedly connected to an insulating spring (48), and the end of the insulating spring (48) away from the permanent magnet (47) is fixedly connected to the fixing frame (43).

2. The fastener grinding clamping device according to claim 1, characterized in that: The magnetic poles of the electromagnet 1 (44) and the permanent magnet (47) are the same on one side, the length direction of the strip rod (45) is parallel to the length direction of the base (1), and the push block (46) is V-shaped.

3. The fastener grinding clamping device according to claim 1, characterized in that: The cylinder (2), clamping block (3) and positioning assembly (4) are each provided in two groups and are symmetrically distributed about the normal line of the top surface of the base (1). The two cylinders (2) are respectively fixedly mounted on the bottoms of the two support plates (42). A bolt fastener is provided between the two push blocks (46). The two clamping blocks (3) are used to clamp the rods of the bolt fasteners.

4. The fastener grinding clamping device according to claim 1, characterized in that: The storage assembly (5) includes a servo motor (51), which is fixedly mounted on the outer surface of one side of one of the columns (41). The output end of the servo motor (51) is fixedly connected to a turntable (52), the outer wall of the turntable (52) is fixedly connected to a connecting rod (53), and the end of the connecting rod (53) away from the turntable (52) is fixedly connected to an electromagnet 2 (54). The top surface of the base (1) is fixedly connected to a support frame (55), and the outer surface of one side of the support frame (55) is fixedly connected to a rectangular tube (56). The top surface of the rectangular tube (56) is provided with a strip groove (57), and the outer surface of one side of the rectangular tube (56) is fixedly connected to a baffle (58). A material frame (59) is provided below the rectangular tube (56).

5. The fastener grinding clamping device according to claim 4, characterized in that: The top surface of the second electromagnet (54) is in contact with the bottom surface of the bolt fastener rod.

6. The fastener grinding clamping device according to claim 4, characterized in that: The cross section of the rectangular tube (56) is concave, and the width of the strip groove (57) is between the diameter of the rod and the diameter of the head of the bolt fastener.

Images