Polishing mechanism for static contact of high-voltage relay

Abstract

The utility model relates to a high-voltage relay static contact grinding mechanism which comprises a product positioning mechanism, a polishing workpiece is placed on the product positioning mechanism in a matched mode, a grinding and polishing mechanism is arranged beside the product positioning mechanism, and the output end of the grinding and polishing mechanism corresponds to the polishing workpiece. The quality of a high-voltage relay product is guaranteed in a grinding and polishing mode, the grinding and polishing work of an oxide layer can be conveniently completed through mutual cooperation work between the grinding and polishing mechanism and the product positioning mechanism, the stability of the contact resistance of the product is guaranteed, and the product quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding mechanisms, in particular to a grinding mechanism for static contacts of high-voltage relays. Background Art

[0002] A high-voltage relay is an electrical appliance that causes a predetermined step change in the controlled quantity in the electrical output circuit when the change of the input quantity (excitation quantity) of the high-voltage circuit reaches the specified requirement.

[0003] A high-voltage relay is an electronic control device that has a control system (also known as an input circuit) and a controlled system (also known as an output circuit), and is usually applied to an automatic control circuit.

[0004] In the high-voltage relay assembly of new energy vehicles, there is currently oxidation of the contact copper terminals, resulting in unstable contact resistance of the product. In the prior art, manual polishing is used to improve the quality of the product. The overall operation is difficult, the work efficiency is low, and there are certain safety hazards. Summary of the Utility Model

[0005] The applicant of the present utility model aims at the above-mentioned disadvantages in the existing production technology and provides a grinding mechanism for static contacts of high-voltage relays with a reasonable structure, so as to conveniently complete the grinding and polishing work of the oxide layer of automatic high-voltage relays, with excellent product quality and high work efficiency.

[0006] The technical solution adopted by the present utility model is as follows:

[0007] A grinding mechanism for static contacts of high-voltage relays includes a product positioning mechanism, on which a polishing workpiece is placed in cooperation. A grinding and polishing mechanism is arranged beside the product positioning mechanism, and the output end of the grinding and polishing mechanism corresponds to the polishing workpiece.

[0008] The structure of the grinding and polishing mechanism is as follows: it includes a bracket, a transverse sliding module is installed at the front end of the upper part of the bracket, a longitudinal sliding module is installed on the transverse sliding module, a working plate is fixed on the longitudinal sliding module, and the working plate moves up and down under the action of the longitudinal sliding module and moves left and right under the action of the transverse sliding module. An active tape wheel and a driven tape wheel are installed on the working plate at intervals, a tensioning roller, a first roller and a second roller are installed between the active tape wheel and the driven tape wheel. A guide rail is fixed on the working plate below the second roller, a floating plate is installed on the guide rail through a slider, a fixing block is installed on the outer end face of the floating plate through a fastener, a polishing pressure head is installed in the middle of the fixing block, clamping cylinders are respectively installed on both sides of the polishing pressure head, and clamping blocks are installed at the heads of the clamping cylinders. A connecting plate is also installed on the working plate below the second roller, a stretching cylinder is fixed at the outer end of the connecting plate, a horizontal plate is installed at the output end of the stretching cylinder, a jaw cylinder is fixed on the upper surface of the head of the horizontal plate, and jaws are installed at the output end of the jaw cylinder.

[0009] As a further improvement of the above technical solution:

[0010] It further includes a polishing tape, which is pulled out from the driven tape pulley, passes through the tensioning roller, the first roller, the jaw, and the clamping block on the left in sequence, then bypasses the polishing head and enters the clamping block on the right, then returns to the jaw, and then bypasses the second roller and enters the driving tape pulley.

[0011] A gap is formed between the outer end face of the clamping block and the polishing head, and this gap allows the polishing tape to pass through.

[0012] The head of the polishing head corresponds to the polishing workpiece.

[0013] A driving motor is also fixed on the working plate. The output end of the driving motor passes through the working plate and is installed with a synchronous belt mechanism. The driven pulley of the synchronous belt mechanism is coaxial with the driving tape pulley.

[0014] The horizontal plate has a right-angled structure.

[0015] The structure of the product positioning mechanism is as follows: it includes a fixed seat. A cushion block is installed on the top of the fixed seat through fasteners. A backing plate is installed beside the cushion block. A positioning cylinder is installed on the top surface of the backing plate. The output end of the positioning cylinder is installed with a "convex"-shaped top block. A carrier is arranged on the top surface of the cushion block. A concave pit matching the polishing workpiece is arranged on the carrier. The polishing workpiece is placed in the concave pit. The head of the top block corresponds to the polishing workpiece.

[0016] The backing plate has a "7"-shaped structure.

[0017] The cushion block has an inverted T-shaped structure.

[0018] The bracket has a door-shaped structure.

[0019] The beneficial effects of the present utility model are as follows:

[0020] The structure of the present utility model is compact and reasonable, and the operation is convenient. By means of grinding and polishing, the quality of the high-voltage relay product is guaranteed. Through the mutual cooperation between the grinding and polishing mechanism and the product positioning mechanism, the grinding and polishing work of the oxide layer can be conveniently completed, the contact resistance of the product is ensured to be stable, and the product quality is improved. Brief Description of the Drawings

[0021] Figure 1 It is a structural schematic diagram of the present utility model.

[0022] Figure 2 It is a structural schematic diagram of the grinding and polishing mechanism of the present utility model.

[0023] Figure 3 For Figure 2 Partial enlarged view of part A in

[0024] Figure 4 This is a schematic structural view of another perspective of the grinding and polishing mechanism of the present utility model.

[0025] Figure 5 This is the front view of the grinding and polishing mechanism of the present utility model.

[0026] Figure 6 This is a schematic structural view of the grinding and polishing mechanism of the present utility model (the bracket and two sliding modules are omitted).

[0027] Figure 7 This is a schematic structural view of another perspective of the grinding and polishing mechanism of the present utility model (the bracket and two sliding modules are omitted).

[0028] Figure 8 This is a schematic structural view of the product positioning mechanism of the present utility model.

[0029] Wherein: 1. Grinding and polishing mechanism; 2. Product positioning mechanism; 3. Polishing workpiece;

[0030] 101. Horizontal sliding module; 102. Vertical sliding module; 103. Working plate; 104. Active material belt wheel; 105. Driven material belt wheel; 106. Tensioning roller; 107. Second roller; 108. First roller; 109. Guide rail; 110. Slide block; 111. Floating plate; 112. Fixed block; 113. Polishing pressure head; 114. Clamping block; 115. Clamping cylinder; 116. Bracket; 117. Connecting plate; 118. Horizontal plate; 119. Tensile cylinder; 120. Claw; 121. Claw cylinder; 122. Driving motor; 123. Synchronous belt mechanism;

[0031] 201. Top block; 202. Positioning cylinder; 203. Carrier; 204. Base plate; 205. Spacer block; 206. Fixed seat. Detailed implementation manners

[0032] The following combines with the attached drawings to illustrate the detailed implementation manners of the present utility model.

[0033] As Figures 1-8 shown, the static contact grinding mechanism of the high-voltage relay in this embodiment includes a product positioning mechanism 2, a polishing workpiece 3 is placed in cooperation on the product positioning mechanism 2, a grinding and polishing mechanism 1 is arranged beside the product positioning mechanism 2, and the output end of the grinding and polishing mechanism 1 corresponds to the polishing workpiece 3;

[0034] The structure of the grinding and polishing mechanism 1 is as follows: It includes a bracket 116. At the front end of the upper part of the bracket 116, a transverse sliding module 101 is installed. On the transverse sliding module 101, a longitudinal sliding module 102 is installed. A working plate 103 is fixed on the longitudinal sliding module 102. The working plate 103 moves up and down under the action of the longitudinal sliding module 102 and moves left and right under the action of the transverse sliding module 101. On the working plate 103, a spaced active tape wheel 104 and a driven tape wheel 105 are installed. Between the active tape wheel 104 and the driven tape wheel 105, a tensioning roller 106, a first roller 108 and a second roller 107 are installed. On the working plate 103 below the second roller 107, a guide rail 109 is fixed. A floating plate 111 is installed on the guide rail 109 through a slider 110. The outer end face of the floating plate 111 is fixed with a fixing block 112 through a fastener. A polishing press head 113 is installed in the middle of the fixing block 112. On both sides of the polishing press head 113, clamping cylinders 115 are respectively installed. The head of the clamping cylinder 115 is installed with a clamping block 114. On the working plate 103 below the second roller 107, a connecting plate 117 is also installed. The outer end of the connecting plate 117 is fixed with a stretching cylinder 119. The output end of the stretching cylinder 119 is installed with a horizontal plate 118. On the upper surface of the head of the horizontal plate 118, a jaw cylinder 121 is fixed. The output end of the jaw cylinder 121 is installed with a jaw 120.

[0035] It also includes a polishing tape. The polishing tape is pulled out from the driven tape wheel 104, and successively passes through the tensioning roller 106, the first roller 108, the jaw 120, the clamping block 114 on the left, then bypasses the polishing press head 113 and enters the clamping block 114 on the right, then returns to the jaw 120, and then bypasses the second roller 107 and enters the active tape wheel 105.

[0036] A gap is formed between the outer end face of the clamping block 114 and the polishing press head 113, and this gap allows the polishing tape to pass through.

[0037] The head of the polishing press head 113 corresponds to the polishing workpiece 3.

[0038] A driving motor 122 is also fixed on the working plate 103. The output end of the driving motor 122 passes through the working plate 103 and then installs a synchronous belt mechanism 123. The driven wheel of the synchronous belt mechanism 123 is coaxial with the active tape wheel 104.

[0039] The horizontal plate 118 has a right-angled structure.

[0040] The structure of the product positioning mechanism 2 is as follows: It includes a fixed seat 206. A cushion block 205 is installed on the top of the fixed seat 206 through fasteners. A backing plate 204 is installed beside the cushion block 205. A positioning cylinder 202 is installed on the top surface of the backing plate 204. A "convex"-shaped top block 201 is installed at the output end of the positioning cylinder 202. A carrier 203 is arranged on the top surface of the cushion block 205. A concave pit matching the polished workpiece 3 is arranged on the carrier 203. The polished workpiece 3 is placed in the concave pit. The head of the top block 201 corresponds to the polished workpiece 3.

[0041] The backing plate 204 is in a "7"-shaped structure.

[0042] The cushion block 205 is in an inverted T-shaped structure.

[0043] The bracket 116 is in a gate-shaped structure.

[0044] During the actual working process:

[0045] First, place the product (polished workpiece 3) on the product positioning mechanism 2. The positioning cylinder 202 works to control the top block 201 to extend. The head of the top block 201 presses tightly against the product to ensure the stability of the product placement.

[0046] Then, manually pull out the polishing tape (not shown in the figure) from the driven tape wheel 104, and pass it through the tensioning roller 106, the first roller 108, the clamping jaw 120, the clamping block 114 on the left in sequence, then bypass the polishing head 113 and enter the clamping block 114 on the right, then return to the clamping jaw 120, and then bypass the second roller 107 and enter the driving tape wheel 105.

[0047] The longitudinal sliding module 102 works to control the working plate 103 to descend until the polishing head 113 contacts the static contact point of the product. The transverse sliding module 101 works to drive the entire mechanism to polish the product back and forth with the polishing head 113. When the number of back-and-forth polishing reaches the set number, the polishing ends.

[0048] The overall work is convenient, the operation is simple, and the work efficiency is high.

[0049] The above description is an explanation of the present invention, not a limitation of the invention. For the scope defined by the present invention, refer to the claims. Any form of modification can be made within the protection scope of the present invention.

Claims

1. A static contact polishing mechanism for a high-voltage relay, characterized in that: It includes a product positioning mechanism (2), on which a polishing workpiece (3) is placed in cooperation. There is a grinding and polishing mechanism (1) beside the product positioning mechanism (2), and the output end of the grinding and polishing mechanism (1) corresponds to the polishing workpiece (3). The structure of the grinding and polishing mechanism (1) is as follows: It includes a bracket (116). At the front end of the upper part of the bracket (116), a transverse sliding module (101) is installed. On the transverse sliding module (101), a longitudinal sliding module (102) is installed. A working plate (103) is fixed on the longitudinal sliding module (102). The working plate (103) moves up and down under the action of the longitudinal sliding module (102) and moves left and right under the action of the transverse sliding module (101). On the working plate (103), a spaced active tape wheel (104) and a driven tape wheel (105) are installed. Between the active tape wheel (104) and the driven tape wheel (105), a tensioning roller (106), a first roller (108) and a second roller (107) are installed. On the working plate (103) below the second roller (107), a guide rail (109) is fixed. A floating plate (111) is installed on the guide rail (109) through a slider (110). The outer end face of the floating plate (111) is fixedly installed with a fixing block (112) through a fastener. A polishing pressure head (113) is installed in the middle of the fixing block (112). On both sides of the polishing pressure head (113), clamping cylinders (115) are installed respectively. The head of the clamping cylinder (115) is installed with a clamping block (114). On the working plate (103) below the second roller (107), a connecting plate (117) is also installed. The outer end of the connecting plate (117) is fixed with a stretching cylinder (119). The output end of the stretching cylinder (119) is installed with a horizontal plate (118). On the upper surface of the head of the horizontal plate (118), a jaw cylinder (121) is fixed. The output end of the jaw cylinder (121) is installed with a jaw (120).

2. The static contact polishing mechanism of the high-voltage relay according to claim 1, characterized in that: It also includes a polishing tape. The polishing tape is pulled out from the driven tape wheel (104), passes through the tensioning roller (106), the first roller (108), the jaw (120), the clamping block (114) on the left in sequence, then bypasses the polishing pressure head (113) and enters the clamping block (114) on the right, then returns to the jaw (120), then bypasses the second roller (107) and enters the active tape wheel (105).

3. The static contact polishing mechanism of the high-voltage relay according to claim 2, characterized in that: A gap is formed between the outer end face of the clamping block (114) and the polishing pressure head (113), and this gap allows the polishing tape to pass through.

4. The static contact polishing mechanism of the high-voltage relay according to claim 1, characterized in that: The head of the polishing pressure head (113) corresponds to the polishing workpiece (3).

5. The static contact polishing mechanism of the high-voltage relay according to claim 1, characterized in that: A driving motor (122) is also fixed on the working plate (103). The output end of the driving motor (122) passes through the working plate (103) and then installs a synchronous belt mechanism (123). The driven wheel of the synchronous belt mechanism (123) is coaxial with the active tape wheel (104).

6. The static contact polishing mechanism of the high-voltage relay according to claim 1, wherein: The horizontal plate (118) has a right-angled structure.

7. The static contact polishing mechanism of the high-voltage relay according to claim 1, characterized in that: The structure of the product positioning mechanism (2) is as follows: it includes a fixed seat (206), a cushion block (205) is installed on the top of the fixed seat (206) through fasteners, a backing plate (204) is installed beside the cushion block (205), a positioning cylinder (202) is installed on the top surface of the backing plate (204), a "convex"-shaped top block (201) is installed at the output end of the positioning cylinder (202), a carrier (203) is arranged on the top surface of the cushion block (205), a concave pit matching the polished workpiece (3) is arranged on the carrier (203), the polished workpiece (3) is placed in the concave pit, and the head of the top block (201) corresponds to the polished workpiece (3).

8. The static contact polishing mechanism of the high-voltage relay according to claim 7, characterized in that: The backing plate (204) has a "7"-shaped structure.

9. The static contact polishing mechanism of the high-voltage relay according to claim 7, characterized in that: The cushion block (205) has an inverted T-shaped structure.

10. The static contact polishing mechanism of the high-voltage relay according to claim 1, wherein: The bracket (116) has a gate-shaped structure.

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