Grinding machine for new energy contactor ceramic assembly contact

Abstract

The utility model discloses a grinding machine for a ceramic assembly contact of a new energy contactor, which comprises a base, a displacement component arranged on the base, a clamp component arranged at the movable end of the displacement component, a rack arranged on the base, and a grinding mechanism arranged on the rack and corresponding to the position above the clamp component, the grinding mechanism comprises a driving assembly, a discharging wheel, a winding wheel, an abrasive belt and a supporting block, the discharging wheel and the winding wheel are rotationally installed on the rack, the output end of the driving assembly is in linkage connection with the winding wheel and used for driving the winding wheel to rotate, the supporting block is installed on the rack, one end of the abrasive belt is wound around the discharging wheel, and the other end of the abrasive belt is wound around the winding wheel; the middle of the abrasive belt abuts against the lower end of the supporting block and forms a grinding part used for grinding a contact of the contactor ceramic assembly, and the displacement assembly drives the clamp assembly to move. The grinding device can grind the new energy contactor ceramic assembly contact, so that the labor intensity is remarkably reduced, and the grinding efficiency can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding equipment, in particular to a grinding machine for ceramic assembly contacts of a new energy contactor. Background Art

[0002] A contactor is an automatic electromagnetic switch that can frequently control the on and off of AC and DC main circuits and large-capacity control circuits. The main contact in the contact system is a normally open contact, which is used to control the on and off of the main circuit; the auxiliary contacts include normally open and normally closed, which are used to control the circuit and play an electrical interlocking role. Other components include reaction springs, buffer springs, contact pressure springs, transmission mechanisms and housings.

[0003] After long-term use, the contact of the contactor will be affected by oxidation, burning, etc., which will affect the normal operation of the electrical control circuit. In order to ensure the normal operation of the contactor, the contactor contacts must be cleaned and polished regularly. However, at present, the contactor contacts are usually polished manually with sandpaper, which is not only labor-intensive but also inefficient. Utility Model Content

[0004] The purpose of the utility model is to provide a grinding machine for the ceramic assembly contacts of a new energy contactor. The utility model can grind the ceramic assembly contacts of the new energy contactor, which not only significantly reduces the labor intensity, but also can effectively improve the grinding efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grinding machine for the contact of a new energy contactor ceramic assembly, comprising a base, a displacement component is provided on the base, a fixture component for positioning the contactor ceramic assembly is provided on the movable end of the displacement component, a frame is also provided on the base, and a grinding mechanism is provided at a position above the frame corresponding to the fixture component, the grinding mechanism comprises a driving component, a discharge wheel, a winding wheel, an abrasive belt and a support block, the discharge wheel and the winding wheel are rotatably mounted on the frame, the output end of the driving component is linked to the winding wheel for driving the winding wheel to rotate, the support block is mounted on the frame, one end of the abrasive belt is wound on the discharge wheel, and the other end of the abrasive belt is wound on the winding wheel, the middle part of the abrasive belt abuts against the lower end of the support block, and the part where the middle part of the abrasive belt abuts against the lower end of the support block forms a grinding part for grinding the contact of the contactor ceramic assembly, the displacement component drives the fixture component to move, so that the contact of the contactor ceramic assembly on the fixture component and the grinding part produce relative friction.

[0006] The utility model is further configured that the clamp assembly includes a positioning seat and a pressure plate, the positioning seat is provided with a positioning groove for embedding the contactor ceramic assembly, and the pressure plate is detachably mounted on the positioning seat by screws for pressing the contactor ceramic assembly into the positioning groove.

[0007] The utility model is further configured such that the displacement assembly includes a first cylinder, a movable seat and a second cylinder, the base is provided with a guide rail, the movable seat is provided with a slider matching the guide rail, the first cylinder is mounted on the base, and the movable end of the first cylinder is connected to the movable seat, the second cylinder is mounted on the movable seat, and the movable end of the second cylinder is connected to the pressure plate of the clamp assembly.

[0008] The utility model is further configured as follows: the driving assembly includes a driving motor, a driving pulley, a driven pulley and a transmission belt, the motor shaft of the driving motor is linked to the driving pulley, the winding wheel is rotatably mounted on the frame through a rotating shaft, the driven pulley is linked to the rotating shaft, and the transmission belt is covered on the outer circumference of the driving pulley and the driven pulley.

[0009] The utility model is further configured such that a stop assembly is respectively installed at positions on both sides of the frame corresponding to the support block, and the stop assembly includes a bracket arranged on the frame and a third cylinder arranged on the bracket, and a top block for pressing the sanding belt against the side of the support block is provided on the protruding end of the third cylinder.

[0010] The utility model is further configured that guide grooves for inserting the abrasive belt are symmetrically arranged on both sides of the support block, and the guide grooves extend vertically.

[0011] The utility model is further configured that a recessed portion is provided at the bottom of the support block corresponding to the position of the grinding portion.

[0012] The utility model is further configured to include a quantitative material shifting assembly, which includes a fourth cylinder, a connecting plate and a pneumatic finger cylinder, the fourth cylinder is mounted on a frame, the connecting plate is connected to the active end of the fourth cylinder, the pneumatic finger cylinder is mounted on the connecting plate, and the sanding belt passes between the two active ends of the pneumatic finger cylinder.

[0013] The utility model is further configured that a first linear slide rail and a second linear slide rail are respectively provided at positions on the frame corresponding to both sides of the sanding belt, a first guide wheel is rotatably mounted on the movable end of the first linear slide rail, and a second guide wheel is rotatably mounted on the movable end of the second linear slide rail, the first guide wheel and the second guide wheel are respectively abutted against positions on both sides of the sanding belt corresponding to the grinding part, so that the positions on both sides of the sanding belt corresponding to the grinding part are respectively tightly fitted with the material guide grooves on both sides of the support block.

[0014] The utility model is further configured that a tension wheel is rotatably mounted on the frame, and the abrasive belt is coated on the tension wheel.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The present application adopts a grinding machine to automatically grind the contact of the contactor ceramic assembly, that is, the driving component is used as the source power to drive the sand belt transmission, and the sand belt is located at the grinding part at the bottom of the support block as the working part. When working, the stop components on both sides of the support block work, that is, the third cylinder of the stop component drives the top block to be ejected, and the sand belt is pushed to the side of the support block to stop the sand belt, and the contactor ceramic assembly is placed in the positioning groove of the positioning seat of the fixture component, and then the contactor ceramic assembly is pressed tightly in the positioning groove of the positioning seat by the pressure plate, and the fixture component is driven to move to the first cylinder. The grinding part of the abrasive belt is placed below the grinding part, and then the second cylinder drives the clamp assembly to rise until the grinding part of the abrasive belt fits the contact of the contactor ceramic assembly, and then drives the first cylinder to cause the clamp assembly to drive the contactor ceramic assembly to move, so that the contact of the contactor ceramic assembly and the grinding part produce relative friction. After the processing is completed, the first cylinder and the second cylinder are used to push the clamp assembly out of the working position. At the same time, the stop assembly releases the abrasive belt, and the pneumatic finger cylinder clamps the abrasive belt and drags the abrasive belt to move, so that the grinding part of the abrasive belt is updated for the next grinding. Therefore, the present application can grind the contacts of the new energy contactor ceramic assembly. Compared with the manual grinding method, it not only significantly reduces the labor intensity, but also can effectively improve the grinding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of the utility model as a whole;

[0018] Figure 2 It is a structural schematic diagram of the clamp assembly and the displacement assembly of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the drive assembly of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the stop assembly of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the quantitative material shifting component of the utility model.

[0022] In the figure: 1, base; 2, displacement assembly; 3, contactor ceramic assembly; 4, fixture assembly; 5, grinding mechanism; 6, driving assembly; 7, unwinding wheel; 8, winding wheel; 9, abrasive belt; 10, support block; 11, grinding part; 12, positioning seat; 13, pressure plate; 14, positioning groove; 15, first cylinder; 16, movable seat; 17, second cylinder; 18, guide rail; 19, slider; 20, driving motor; 21, driving pulley; 22. Driven pulley; 23. Drive belt; 24. Stop assembly; 25. Bracket; 26. Third cylinder; 27. Top block; 28. Material guide trough; 29. ​​Yield recess; 30. Quantitative material removal assembly; 31. Fourth cylinder; 32. Connecting plate; 33. Pneumatic finger cylinder; 34. First linear slide rail; 35. Second linear slide rail; 36. First guide wheel; 37. Second guide wheel; 38. Tensioner; 39. Frame; 40. Rotating shaft. DETAILED DESCRIPTION

[0023] 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.

[0024] Example: As attached Figures 1 to 5 The grinding machine for the contact of the ceramic assembly of the new energy contactor shown in the figure comprises a base 1, a displacement component 2 is arranged on the base 1, a fixture component 4 for positioning the ceramic assembly 3 of the contactor is arranged on the movable end of the displacement component 2, a frame 39 is also arranged on the base 1, a grinding mechanism 5 is arranged at a position above the frame 39 corresponding to the clamp component 4, the grinding mechanism 5 comprises a driving component 6, a feeding wheel 7, a winding wheel 8, a sanding belt 9 and a supporting block 10, the feeding wheel 7 and the winding wheel 8 are rotatably mounted on the frame 39, and the output end of the driving component 6 is connected to the winding wheel 8. The reel 8 is linked to drive the winding wheel 8 to rotate, the support block 10 is installed on the frame 39, one end of the sanding belt 9 is wound on the unwinding wheel 7, and the other end of the sanding belt 9 is wound on the winding wheel 8, the middle part of the sanding belt 9 abuts against the lower end of the support block 10, and the part where the middle part of the sanding belt 9 abuts against the lower end of the support block 10 forms a grinding part 11 for grinding the contacts of the contactor ceramic assembly 3, the displacement assembly 2 drives the clamp assembly 4 to move, causing the contacts of the contactor ceramic assembly 3 on the clamp assembly 4 to generate relative friction with the grinding part 11.

[0025] As attached Figure 1 and attached Figure 2As shown, the clamp assembly 4 includes a positioning seat 12 and a pressure plate 13. The positioning seat 12 is provided with a positioning groove 14 for embedding the contactor ceramic assembly 3. The shape of the positioning groove 14 is adapted to the outer shape of the contactor ceramic assembly 3. The pressure plate 13 is detachably mounted on the positioning seat 12 by screws for pressing the contactor ceramic assembly 3 into the positioning groove 14.

[0026] As attached Figure 1 and attached Figure 2 As shown, the displacement assembly 2 includes a first cylinder 15, a movable seat 16 and a second cylinder 17. The base 1 is provided with a guide rail 18, and the movable seat 16 is provided with a slider 19 that cooperates with the guide rail 18. The first cylinder 15 is installed on the base 1, and the movable end of the first cylinder 15 is connected to the movable seat 16. The second cylinder 17 is installed on the movable seat 16, and the movable end of the second cylinder 17 is connected to the pressure plate 13 of the clamp assembly 4. The first cylinder 15 drives the clamp assembly 4 to move forward and backward, and the second cylinder 17 drives the clamp assembly 4 to move up and down.

[0027] As attached Figure 1 and attached Figure 3 As shown, the driving assembly 6 includes a driving motor 20, a driving pulley 21, a driven pulley 22 and a transmission belt 23. The motor shaft of the driving motor 20 is linked to the driving pulley 21, the winding wheel 8 is rotatably mounted on the frame 39 through a rotating shaft 40, the driven pulley 22 is linked to the rotating shaft 40, and the transmission belt 23 is covered on the outer periphery of the driving pulley 21 and the driven pulley 22. The driving motor 20 drives the winding wheel 8 to rotate by belt transmission to realize automatic winding of the sanding belt 9.

[0028] As attached Figure 1 and attached Figure 4 As shown, a stop assembly 24 is respectively installed at the positions on both sides of the frame 39 corresponding to the support block 10. The stop assembly 24 includes a bracket 25 arranged on the frame 39 and a third cylinder 26 arranged on the bracket 25. A top block 27 for pressing the sand belt 9 against the side of the support block 10 is provided on the protruding end of the third cylinder 26. When the third cylinder 26 drives the top block 27 to extend, the sand belt 9 is pressed against the side of the support block 10 to ensure that the grinding part 11 of the sand belt 9 can work stably.

[0029] As attached Figure 4 As shown, guide grooves 28 for inserting the abrasive belt 9 are symmetrically arranged on both sides of the support block 10 , and the guide grooves 28 extend vertically. When working, the abrasive belt 9 is arranged close to the guide grooves 28 on both sides of the support block 10 .

[0030] As attached Figure 4As shown, a recess 29 is provided at the bottom of the support block 10 corresponding to the position of the grinding part 11. During operation, the grinding part of the abrasive belt 9 will deform due to contact with the contactor ceramic assembly 3, and the recess 29 provides support for the deformation space.

[0031] As attached Figure 1 and attached Figure 5 As shown, a quantitative material shifting assembly 30 is also included, and the quantitative material shifting assembly 30 includes a fourth cylinder 31, a connecting plate 32 and a pneumatic finger cylinder 33. The fourth cylinder 31 is installed on a frame 39, and the connecting plate 32 is connected to the movable end of the fourth cylinder 31. The pneumatic finger cylinder 33 is installed on the connecting plate 32. The sanding belt 9 passes between the two movable ends of the pneumatic finger cylinder 33. The pneumatic finger cylinder 33 can clamp or loosen the sanding belt 9. When the pneumatic finger cylinder 33 clamps the sanding belt 9, the fourth cylinder 31 is used to drive the pneumatic finger cylinder 33 to move vertically, thereby realizing the sliding of the sanding belt 9.

[0032] As attached Figure 1 As shown, the positions on the frame 39 corresponding to the two sides of the abrasive belt 9 are respectively provided with a first linear slide rail 34 and a second linear slide rail 35, a first guide wheel 36 is rotatably mounted on the movable end of the first linear slide rail 34, and a second guide wheel 37 is rotatably mounted on the movable end of the second linear slide rail 35, the first guide wheel 36 and the second guide wheel 37 are respectively abutted against the positions on both sides of the grinding part 11 of the abrasive belt 9, so that the positions on both sides of the grinding part 11 of the abrasive belt 9 are respectively tightly fitted with the material guide grooves 28 on both sides of the support block 10.

[0033] As attached Figure 1 As shown, a tension wheel 38 is rotatably mounted on the frame 39 , and the abrasive belt 9 is wrapped around the tension wheel 38 . The tension of the abrasive belt 9 can be adjusted by setting the tension wheel 38 .

[0034] Working principle: The present application adopts a grinding machine to automatically grind the contacts of the contactor ceramic assembly 3, that is, the driving component 6 is used as the source power to drive the sanding belt 9 to transmit, and the sanding belt 9 is located at the grinding part 11 at the bottom of the support block 10 as the working part. During operation, the stop components 24 on both sides of the support block 10 work, that is, the third cylinder 26 of the stop component 24 drives the top block 27 to push out, and pushes the sanding belt 9 to the side of the support block 10 to stop the sanding belt 9, and places the contactor ceramic assembly 3 in the positioning groove 14 of the positioning seat 12 of the fixture component 4, and then uses the pressure plate 13 to press the contactor ceramic assembly 3 in the positioning groove 14 of the positioning seat 12, and drives the fixture through the first cylinder 15. The component 4 moves to the bottom of the grinding part 11 of the sand belt 9, and then the second cylinder 17 drives the clamp component 4 to rise until the grinding part 11 of the sand belt 9 fits with the contact of the contactor ceramic assembly 3, and then drives the first cylinder 15 to cause the clamp component 4 to drive the contactor ceramic assembly 3 to move, so that the contact of the contactor ceramic assembly 3 and the grinding part 11 produce relative friction. After the processing is completed, the first cylinder 15 and the second cylinder 17 are used to push the clamp component 4 out of the working position. At the same time, the stop component 24 releases the sand belt 9, and the pneumatic finger cylinder 33 clamps the sand belt 9 and drags the sand belt 9 to move, so that the grinding part 11 of the sand belt 9 is updated for the next grinding. Therefore, the present application can grind the contacts of the new energy contactor ceramic assembly 3. Compared with the manual grinding method, it not only significantly reduces the labor intensity, but also can effectively improve the grinding efficiency.

Claims

1. The grinding machine for ceramic assembly contacts of new energy contactors is characterized by: The invention comprises a base (1), wherein a displacement assembly (2) is provided on the base (1), wherein a fixture assembly (4) for positioning a contactor ceramic assembly (3) is provided on a movable end of the displacement assembly (2), wherein a frame (39) is further provided on the base (1), wherein a grinding mechanism (5) is provided on the frame (39) at a position corresponding to the position above the fixture assembly (4), wherein the grinding mechanism (5) comprises a driving assembly (6), a discharge wheel (7), a winding wheel (8), a sanding belt (9) and a supporting block (10), wherein the discharge wheel (7) and the winding wheel (8) are rotatably mounted on the frame (39), and wherein the output end of the driving assembly (6) is linked to the winding wheel (8). The support block (10) is mounted on the frame (39), one end of the abrasive belt (9) is wound on the unwinding wheel (7), and the other end of the abrasive belt (9) is wound on the rewinding wheel (8). The middle of the abrasive belt (9) abuts against the lower end of the support block (10), and the part where the middle of the abrasive belt (9) abuts against the lower end of the support block (10) forms a grinding portion (11) for grinding the contact of the contactor ceramic assembly (3). The displacement component (2) drives the clamp component (4) to move, causing the contact of the contactor ceramic assembly (3) on the clamp component (4) to generate relative friction with the grinding portion (11).

2. The grinding machine for ceramic assembly contacts of new energy contactors according to claim 1 is characterized in that: The clamp assembly (4) comprises a positioning seat (12) and a pressure plate (13); the positioning seat (12) is provided with a positioning groove (14) for embedding the contactor ceramic assembly (3); the pressure plate (13) is detachably mounted on the positioning seat (12) by means of screws and is used to press the contactor ceramic assembly (3) into the positioning groove (14).

3. The grinding machine for ceramic assembly contacts of new energy contactors according to claim 2 is characterized in that: The displacement assembly (2) comprises a first cylinder (15), a movable seat (16) and a second cylinder (17); a guide rail (18) is provided on the base (1); a slider (19) matching the guide rail (18) is provided on the movable seat (16); the first cylinder (15) is mounted on the base (1), and the movable end of the first cylinder (15) is connected to the movable seat (16); the second cylinder (17) is mounted on the movable seat (16), and the movable end of the second cylinder (17) is connected to the pressure plate (13) of the clamp assembly (4).

4. The grinding machine for ceramic assembly contacts of new energy contactors according to claim 1 is characterized in that: The driving assembly (6) comprises a driving motor (20), a driving pulley (21), a driven pulley (22) and a transmission belt (23); the motor shaft of the driving motor (20) is linked to the driving pulley (21); the winding wheel (8) is rotatably mounted on the frame (39) via a rotating shaft (40); the driven pulley (22) is linked to the rotating shaft (40); and the transmission belt (23) is wrapped around the outer periphery of the driving pulley (21) and the driven pulley (22).

5. The grinding machine for ceramic assembly contacts of new energy contactors according to claim 1 is characterized in that: A stop assembly (24) is respectively installed at positions on both sides of the frame (39) corresponding to the support block (10), and the stop assembly (24) comprises a bracket (25) arranged on the frame (39) and a third cylinder (26) arranged on the bracket (25), and a top block (27) for pressing the sanding belt (9) against the side of the support block (10) is provided on the extended end of the third cylinder (26).

6. The grinding machine for ceramic assembly contacts of new energy contactors according to claim 5 is characterized in that: Material guide grooves (28) for inserting the abrasive belt (9) are symmetrically arranged on both sides of the support block (10), and the material guide grooves (28) extend vertically.

7. The grinding machine for ceramic assembly contacts of new energy contactors according to claim 5 is characterized in that: A recessed portion (29) is provided at the bottom of the support block (10) at a position corresponding to the grinding portion (11).

8. The grinding machine for ceramic assembly contacts of new energy contactors according to claim 5 is characterized in that: The invention also comprises a quantitative material shifting assembly (30), wherein the quantitative material shifting assembly (30) comprises a fourth cylinder (31), a connecting plate (32) and a pneumatic finger cylinder (33), wherein the fourth cylinder (31) is mounted on a frame (39), the connecting plate (32) is connected to the movable end of the fourth cylinder (31), the pneumatic finger cylinder (33) is mounted on the connecting plate (32), and the sanding belt (9) passes between the two movable ends of the pneumatic finger cylinder (33).

9. The grinding machine for ceramic assembly contacts of new energy contactors according to claim 6 is characterized in that: A first linear slide rail (34) and a second linear slide rail (35) are respectively provided at positions on both sides of the grinding belt (9) on the frame (39); a first guide wheel (36) is rotatably mounted on the movable end of the first linear slide rail (34); a second guide wheel (37) is rotatably mounted on the movable end of the second linear slide rail (35); the first guide wheel (36) and the second guide wheel (37) are respectively abutted against positions on both sides of the grinding portion (11) of the grinding belt (9), so that the positions on both sides of the grinding portion (11) of the grinding belt (9) are respectively tightly fitted with the material guide grooves (28) on both sides of the support block (10).

10. The grinding machine for ceramic assembly contacts of new energy contactors according to claim 1, characterized in that: A tension wheel (38) is also rotatably mounted on the frame (39), and the abrasive belt (9) is wrapped around the tension wheel (38).

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