Tool clamp with automatic magnetization direction recognition function

Abstract

The utility model discloses a work fixture with an automatic magnetization direction identification function, which comprises a fixture base, a through groove is arranged on the fixture base, a V-shaped groove for placing a cylindrical workpiece is further arranged on the fixture base, and a baffle plate for limiting the position of the cylindrical workpiece is inserted into the end part of the V-shaped groove. And a fixing mechanism for fixing the position of the cylindrical workpiece and a magnetic knob switch for enabling the cylindrical workpiece to be automatically aligned with the magnetization direction are respectively arranged in the through groove. The clamp is simple in structure, the magnetic knob switch is arranged in the clamp base, when a cylindrical workpiece is placed in the V-shaped groove, the magnetic knob switch is rotated, the cylindrical workpiece can be automatically aligned with the magnetization direction, and therefore the cylindrical workpiece can be polished by using flat grinding equipment subsequently, and in addition, after the magnetic knob switch is turned off, the magnetic knob switch is turned off. The adsorption effect on the cylindrical workpiece can be relieved, an external magnetic field is removed, grinding is carried out in a non-magnetic environment, and the situation that too much magnetic powder is adsorbed on the magnet due to magnetism is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, in particular to a tooling fixture with automatic magnetization direction recognition. Background Art

[0002] As a strong magnetic material, NdFeB has a wide range of uses and a huge amount of consumption, but its specifications are diverse. One of the NdFeB cylindrical workpieces is a disc cylindrical workpiece with a platform. The difference from the conventional disc cylindrical workpiece is that it has an additional small platform in the magnetization direction. At present, the method is to cut the magnetization direction marking groove on the large blank, cut the cylinder with wire cutting after the marking groove is cut, and then use the centerless grinder to grind the small platform according to the marking groove with a flat grinder after grinding. However, this method has a low utilization rate for the initial large blank, and the material cost of NdFeB is very high, which will cause material waste; at the same time, this process is more, the processing cycle will be longer, the production efficiency will be reduced, and the defect will increase. Therefore, a fixture with automatic magnetization direction recognition is proposed. Utility Model Content

[0003] The utility model aims to provide a fixture with automatic magnetization direction recognition to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tooling fixture with automatic magnetization direction identification, comprising a fixture base, a through groove is provided on the fixture base, a V-shaped groove for placing a cylindrical workpiece is also provided on the fixture base, a baffle for limiting the position of the cylindrical workpiece is inserted at the end of the V-shaped groove, and a fixing mechanism for fixing the position of the cylindrical workpiece and a magnetic knob switch for automatically aligning the magnetization direction of the cylindrical workpiece are respectively installed in the through groove.

[0005] As a further solution of the utility model: a plurality of fixing notches are provided on the surface of the clamp base.

[0006] As a further solution of the utility model: the through groove includes a limiting groove and a circular through hole which are connected to each other, and the limiting groove is connected to the end of the V-shaped groove away from the baffle.

[0007] As a further solution of the utility model: the fixing mechanism is installed in the limiting groove, and the magnetic knob switch is inserted and arranged inside the circular through hole.

[0008] As a further solution of the utility model: the inner diameter of the circular through hole is adapted to the end of the magnetic knob switch.

[0009] As a further solution of the utility model: the V-shaped groove is located directly above the circular through hole, and the circular through hole and the V-shaped groove are not connected to each other.

[0010] As a further solution of the utility model: the fixing mechanism includes a fixed jaw fixed in the limit groove and a movable jaw movable along the length direction of the limit groove, the end face of the fixed jaw is threadedly connected with a screw, the end of the screw passes through the fixed jaw and is rotatably connected to the end face of the movable jaw, and a clamp knob is installed at the end of the screw away from the movable jaw.

[0011] As a further solution of the utility model: the fixed jaw is provided with an internal threaded through hole for the screw to pass through.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: the application sets a magnetic knob switch in the fixture base. When a cylindrical workpiece is placed in the V-groove, the magnetic knob switch is rotated to automatically align the magnetization direction of the cylindrical workpiece, so that the cylindrical workpiece can be polished using flat grinding equipment later, eliminating the need to cut magnetization direction marking grooves on large blanks and then use wire cutting to cut the cylinder. In addition, after turning off the magnetic knob switch, the adsorption effect on the cylindrical workpiece can be released, the external magnetic field is removed, and grinding can be carried out in a non-magnetic environment to avoid excessive adsorption of magnetic powder on the magnet due to magnetization. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the fixture of the utility model;

[0014] Figure 2 It is a schematic diagram of a fixture with a cylindrical workpiece of the utility model;

[0015] Figure 3 This is a schematic diagram of the fixture base of the utility model;

[0016] Figure 4 This is a schematic diagram of a magnetic knob switch of the utility model;

[0017] In the figure: 1. clamp base; 2. fixed notch; 3. limit slot; 4. fixed jaw; 5. movable jaw; 6. screw; 7. clamp knob; 8. V-shaped groove; 9. baffle; 10. circular through hole; 11. magnetic knob switch. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-4In an embodiment of the utility model, a tooling fixture with automatic magnetization direction recognition includes a fixture base 1, a through groove is provided on the fixture base 1, and a V-shaped groove 8 for placing a cylindrical workpiece is also provided on the fixture base 1. A baffle 9 for limiting the position of the cylindrical workpiece is inserted at the end of the V-shaped groove 8, and a fixing mechanism for fixing the position of the cylindrical workpiece and a magnetic knob switch 11 for automatically aligning the magnetization direction of the cylindrical workpiece are respectively installed in the through groove.

[0020] Specifically, a through groove is longitudinally penetrated on the clamp base 1, and a V-shaped groove 8 is also formed on the upper surface of the clamp base 1 and located above the through groove. The two sides of the V-shaped groove 8 are inclined at an angle expanding outward, so that after the cylindrical workpiece is placed in the V-shaped groove 8, the axial rotation action can be completed under the premise of forming less resistance, wherein the magnetic poles of the cylindrical workpiece and the magnetic knob switch 11 are evenly divided into N pole and S pole. When the staff turns on the magnetic knob switch 11, the cylindrical workpiece will be affected by the magnetic force to rotate and align the magnetization direction automatically, without cutting the magnetization direction marking groove and wire cutting the cylinder. When the magnetic knob switch 11 is turned off, the magnetic force disappears, and the fixing mechanism can be used to clamp and position the cylindrical workpiece.

[0021] See also Figure 1-3 In one embodiment, in this embodiment, preferably, a plurality of fixing slots 2 are provided on the surface of the clamp base 1, and the number of the fixing slots 2 is not limited. In this embodiment, preferably, the number of the fixing slots 2 is four, and the four fixing slots 2 are respectively provided on the sides of the clamp base 1. Under the action of the fixing slots 2, when the fastener passes through the fixing slots 2, the clamp base 1 can be fixed on the flat grinding equipment.

[0022] See also Figure 3 and Figure 4 In one embodiment, in this embodiment, preferably, the through groove includes a limit groove 3 and a circular through hole 10 that are interconnected, the limit groove 3 is connected to the end of the V-shaped groove 8 away from the baffle 9, further, the fixing mechanism is installed in the limit groove 3, the magnetic knob switch 11 is inserted into the inside of the circular through hole 10, the inner diameter of the circular through hole 10 is adapted to the end of the magnetic knob switch 11, the V-shaped groove 8 is located directly above the circular through hole 10, and the circular through hole 10 and the V-shaped groove 8 are not connected to each other, so that it is convenient to clamp the cylindrical workpiece and automatically align the magnetization direction.

[0023] See also Figure 1 and Figure 2In one embodiment, in this embodiment, preferably, the fixing mechanism includes a fixed jaw 4 fixed in the limiting groove 3 and a movable jaw 5 movable along the length direction of the limiting groove 3, the end face of the fixed jaw 4 is threadedly connected with a screw 6, and the fixed jaw 4 is provided with an internal threaded through hole for the screw 6 to pass through, the end of the screw 6 passes through the fixed jaw 4 and is rotatably connected to the end face of the movable jaw 5, and a clamp knob 7 is installed at the end of the screw 6 away from the movable jaw 5.

[0024] Specifically, the size of the fixed jaw 4 is adapted to the interior of the limit groove 3, and it is just stuck in the interior of the limit groove 3 and fixed. At the same time, the size of the movable jaw 5 is slightly smaller than the interior of the limit groove 3, so that the movable jaw 5 can be ensured to move along the length direction of the limit groove 3. At the same time, rotating the clamp knob 7 can drive the screw 6 to rotate synchronously. At this time, the screw 6 takes the fixed jaw 4 as the base point, and the movable jaw 5 can be pushed to move inside the limit groove 3 by rotating the screw 6 clockwise or counterclockwise. When the end face of the movable jaw 5 contacts the cylindrical workpiece aligned in the V-groove 8, it can be clamped step by step to fix the position of the cylindrical workpiece, and it can also adapt to cylindrical workpieces of different lengths.

[0025] The working principle and use process of the utility model are as follows: after placing the tooling fixture at the designated position of the flat grinding equipment, use the fastener to align the fixed notch 2 to fix it on the flat grinding equipment; freely place the cylindrical workpiece ground by the centerless grinding on the V-shaped groove 8 (no marking groove is required); rotate to turn on the magnetic knob switch 11, and the cylindrical workpiece will rotate and align automatically to the magnetization direction under the action of the magnetic field; rotate the fixture knob 7 to move the movable jaw 5 to clamp the cylindrical workpiece; after clamping, rotate and turn off the magnetic knob switch 11 to release the adsorption effect on the cylindrical workpiece, remove the external magnetic field, and grind in a non-magnetic environment to avoid excessive adsorption of magnetic powder on the magnet due to magnetism; use the flat grinding equipment to adjust the height and grind out the required platform according to the drawing; after grinding the product, rotate the fixture knob 7 to loosen the fixation of the cylindrical workpiece, remove it for slicing, and then electroplate it to the finished product.

[0026] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0027] Therefore, the above description is only a preferred embodiment of the present application and is not intended to limit the scope of implementation of the present application; that is, all equivalent changes made according to the scope of the claims of the present application are within the protection scope of the claims of the present application.

Claims

1. A fixture with automatic magnetization direction recognition, comprising a fixture base (1), characterized in that: The fixture base (1) is provided with a through groove, and the fixture base (1) is also provided with a V-shaped groove (8) for placing a cylindrical workpiece, and a baffle (9) for limiting the position of the cylindrical workpiece is inserted at the end of the V-shaped groove (8), and a fixing mechanism for fixing the position of the cylindrical workpiece and a magnetic knob switch (11) for automatically aligning the magnetization direction of the cylindrical workpiece are respectively installed in the through groove.

2. The fixture with automatic magnetization direction recognition according to claim 1, characterized in that: A plurality of fixing notches (2) are provided on the surface of the clamp base (1).

3. The fixture with automatic magnetization direction recognition according to claim 1, characterized in that: The through groove comprises a limiting groove (3) and a circular through hole (10) which are connected to each other, and the limiting groove (3) is connected to the end of the V-shaped groove (8) away from the baffle (9).

4. The fixture with automatic magnetization direction recognition according to claim 3 is characterized in that: The fixing mechanism is installed in the limiting groove (3), and the magnetic knob switch (11) is inserted and arranged inside the circular through hole (10).

5. The fixture with automatic magnetization direction recognition according to claim 4, characterized in that: The inner diameter of the circular through hole (10) is adapted to the end of the magnetic knob switch (11).

6. The fixture with automatic magnetization direction recognition according to claim 3, characterized in that: The V-shaped groove (8) is located directly above the circular through hole (10), and the circular through hole (10) and the V-shaped groove (8) are not connected to each other.

7. The fixture with automatic magnetization direction recognition according to claim 3, characterized in that: The fixing mechanism comprises a fixed jaw (4) fixed in a limiting groove (3) and a movable jaw (5) movable along the length direction of the limiting groove (3); the end face of the fixed jaw (4) is threadedly connected with a screw rod (6); the end of the screw rod (6) passes through the fixed jaw (4) and is rotatably connected to the end face of the movable jaw (5); and a clamp knob (7) is installed at the end of the screw rod (6) away from the movable jaw (5).

8. The fixture with automatic magnetization direction recognition according to claim 7, characterized in that: The fixed jaw (4) is provided with an internal threaded through hole for the screw rod (6) to pass through.

Images