Positioning clamp for transformer supporting block machining

Abstract

The utility model discloses a positioning fixture for processing a transformer supporting block, which comprises a base and a fixing plate connected to the top of the base, the top of the fixing plate is connected with a U-shaped baffle, the U-shaped baffle is connected with a detachable limiting plate, the base is connected with a clamping mechanism used for clamping the supporting block, and the clamping mechanism is connected with a clamping mechanism used for clamping the supporting block. The clamping mechanism comprises a front pressing mechanism, a side pressing mechanism and an upper pressing mechanism for driving the supporting block to move upwards, the front pressing mechanism comprises a front pressing plate, a first connector, a first air cylinder, a plurality of first sliding blocks, a plurality of first inclined grooves and a first moving plate, the first air cylinder is connected to the top of the base, the first connector is connected to the first moving plate, and the first sliding blocks are connected to the side pressing mechanism. The first chutes are formed in the first moving plate, the first sliding blocks are connected to the first chutes in a sliding mode, and the first sliding blocks are fixedly connected with the front pressing plate. According to the utility model, a plurality of supporting blocks are comprehensively pressed and fixed, and are aligned, so that the subsequent machining precision is improved, the operation is simple and convenient, and the efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer support block processing technical field, concretely is a kind of positioning fixture for transformer support block processing. BACKGROUND

[0002] Transformer is the device using the principle of electromagnetic induction to change AC voltage, main component is primary coil, secondary coil and core (magnetic core). Main functions are: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer) etc. When assembling transformer, support block is needed, it is the main insulation of transformer, and the quality of support block directly affects the insulation performance and stability of transformer.

[0003] In support block machining, usually adopt the form of screw rod 102 cooperation clamping plate 101 to fix it, as shown in Figure 6 Multiple support blocks are placed in the placement groove of clamping seat 100, and then handle 103 is rotated to drive screw rod 102 to rotate, screw rod 102 is threadedly connected with clamping seat 100, and the end of screw rod 102 is rotationally connected with clamping plate 101, so that clamping plate 101 can be driven to move forward and press tightly on support blocks. The operation is more troublesome, time-consuming and laborious, and further affects the machining efficiency. Meanwhile, the rotating force of handle 103 is not easy to control, which may cause the loosening of support blocks and affect the machining quality. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a positioning fixture for transformer support block processing, which can comprehensively press and fix multiple support blocks, align the multiple support blocks, improve subsequent machining precision, and has the advantages of simple operation, high efficiency, and solves the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a positioning fixture for transformer support block processing, comprising a base and a fixed plate connected to the top of the base, the top of the fixed plate is connected with a U-shaped baffle, the U-shaped baffle is connected with a detachable limiting plate, the base is connected with a clamping mechanism for clamping support blocks, and the clamping mechanism comprises a front pressing mechanism, a side pressing mechanism and an upper pressing mechanism for driving the upward movement of support blocks.

[0006] Preferably, the front pressing mechanism comprises a front pressing plate, a connecting head one, a cylinder one, a plurality of sliding blocks one, a plurality of inclined grooves one and a moving plate one, the cylinder one is connected to the top of the base, and the power output end of the cylinder one is connected with the connecting head one, the connecting head one is connected to the moving plate one, the plurality of inclined grooves one are arranged on the moving plate one, the sliding blocks one are slidingly connected to the inclined grooves one, and the sliding blocks one are fixedly connected with the front pressing plate.

[0007] Preferably, the top of the base is connected with two guide seats, the guide seats are slidingly connected with guide columns, and the guide columns are fixedly connected with the front pressing plate.

[0008] Preferably, the side pressing mechanism comprises a side pressing plate, a sliding plate and a third air cylinder, the third air cylinder is connected to the inner side of the fixed plate, the power output end of the third air cylinder is connected with the side pressing plate, and the sliding plate is used for guiding the side pressing plate.

[0009] Preferably, the sliding plate is connected to the top of the base, and the side pressing plate is slidingly connected to the sliding plate.

[0010] Preferably, the upper pressing mechanism comprises a second air cylinder, a connecting head two, a plurality of second inclined grooves, a moving plate two, a plurality of second sliding blocks, a pushing plate and a bearing plate, the second air cylinder is connected to the fixed plate, the power output end of the second air cylinder is connected with the connecting head two, the connecting head two is connected with the moving plate two, the plurality of second inclined grooves are arranged on the moving plate two, the second sliding blocks are slidingly connected with the second inclined grooves, the second sliding blocks are fixedly connected with the pushing plate, and the bearing plate is connected to the top of the pushing plate.

[0011] Preferably, the bearing plate is connected with a guide rod, the guide rod is slidingly connected with a guide cylinder, and the guide cylinder is connected to the top of the base.

[0012] Preferably, the front end of the base is connected with a support plate, the support plate is connected with three operation handles, and the operation handles are connected with the clamping mechanism.

[0013] Preferably, the limiting plate and the U-shaped baffle are connected through bolts.

[0014] Compared with the prior art, the utility model has the advantages that the utility model has the clamping mechanism, the second air cylinder drives the moving plate two to reciprocate, the second sliding block slides in the second inclined groove, the bearing plate can be lifted to press on the plurality of supporting blocks, the third air cylinder drives the side pressing plate to reciprocate to press on the plurality of supporting blocks, further, the first air cylinder drives the moving plate one to reciprocate, the first sliding block slides in the first inclined groove, the front pressing plate can move forward and backward to press on the front end of the plurality of supporting blocks, the U-shaped baffle and the limiting plate are used to press and fix the plurality of supporting blocks, the plurality of supporting blocks are aligned, the machining precision is improved, and the utility model is simple and convenient to operate and high in efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a top perspective view of the utility model;

[0016] Figure 2 It is a front perspective view of the utility model;

[0017] Figure 3 It is a rear perspective view of the utility model;

[0018] Figure 4 It is the upper pressing mechanism structure schematic view of the utility model;

[0019] Figure 5 It is the side pressing mechanism structure schematic view of the utility model;

[0020] Figure 6 It is the existing transformer support block machining positioning fixture structure schematic view.

[0021] In the drawing: 1, base; 2, support plate; 3, operating handle; 4, fixed plate; 5, U-shaped baffle; 6, limiting plate; 7, front pressing plate; 8, connecting head one; 9, cylinder one; 10, guide seat; 11, guide column; 12, side pressing plate; 13, sliding plate; 14, sliding block one; 15, inclined groove one; 16, moving plate one; 17, cylinder two; 18, connecting head two; 19, cylinder three; 20, bearing plate; 21, guide rod; 22, guide cylinder; 23, inclined groove two; 24, moving plate two; 25, sliding block two; 26, push plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1 to 5 The utility model provides a kind of positioning fixture for transformer support block machining, including base 1 and the fixed plate 4 connected to the top of base 1, the top of fixed plate 4 is connected with U-shaped baffle 5, U-shaped baffle 5 is connected with detachable limiting plate 6, base 1 is connected with the clamping mechanism for clamping support block, clamping mechanism includes front pressing mechanism, side pressing mechanism and the upper pressing mechanism of driving support block to move up.

[0024] Limiting plate 6 is removed using tool, make the top opening of U-shaped baffle 5 become larger, place multiple support blocks on bearing plate 20, then install limiting plate 6.When support block is in the positioning state, support block is pressed in U-shaped baffle 5, limiting plate 6, realize the overall pressing and fixing of multiple support blocks, improve the stability of support block.

[0025] The front pressing mechanism comprises a front pressing plate 7, a connecting head 8, a gas cylinder 9, a plurality of sliding blocks 14, a plurality of inclined grooves 15, and a moving plate 16. The gas cylinder 9 is connected to the top of the base 1, and the power output end of the gas cylinder 9 is connected to the connecting head 8. The connecting head 8 is connected to the moving plate 16. The plurality of inclined grooves 15 are arranged on the moving plate 16. The sliding blocks 14 are slidingly connected to the inclined grooves 15, and the sliding blocks 14 are fixedly connected to the front pressing plate 7. The gas cylinder 9 can drive the connecting head 8 to move, synchronously driving the moving plate 16 to reciprocate. The sliding blocks 14 slide relative to the inclined grooves 15, thereby driving the front pressing plate 7 to move forward and backward, facilitating the front pressing plate 7 to be pressed against the front ends of the plurality of supporting blocks.

[0026] The top of the base 1 is connected with two guide seats 10. The guide seats 10 are slidingly connected with guide columns 11. The guide columns 11 are fixedly connected with the front pressing plate 7. The guide columns 11 slide relative to the guide seats 10, thereby guiding the front pressing plate 7, improving the stability of the reciprocating movement of the front pressing plate 7.

[0027] The side pressing mechanism comprises a side pressing plate 12, a sliding plate 13, and a gas cylinder 19. The gas cylinder 19 is connected to the inner side of the fixed plate 4, and the power output end of the gas cylinder 19 is connected to the side pressing plate 12. The sliding plate 13 is used for guiding the side pressing plate 12. The gas cylinder 19 drives the side pressing plate 12 to reciprocate along the length direction of the sliding plate 13, facilitating the side pressing plate 12 to be pressed against the side ends of the supporting blocks.

[0028] The sliding plate 13 is connected to the top of the base 1. The side pressing plate 12 is slidingly connected to the sliding plate 13, improving the stability of the reciprocating movement of the side pressing plate 12.

[0029] The upper pressing mechanism comprises a gas cylinder 17, a connecting head 18, a plurality of inclined grooves 23, a moving plate 24, a plurality of sliding blocks 25, a pushing plate 26, and a bearing plate 20. The gas cylinder 17 is connected to the fixed plate 4, and the power output end of the gas cylinder 17 is connected to the connecting head 18. The connecting head 18 is connected to the moving plate 24. The plurality of inclined grooves 23 are arranged on the moving plate 24. The sliding blocks 25 are slidingly connected to the inclined grooves 23, and the sliding blocks 25 are fixedly connected to the pushing plate 26. The bearing plate 20 is connected to the top of the pushing plate 26. The gas cylinder 17 drives the connecting head 18 to move, synchronously driving the moving plate 24 to reciprocate. The sliding blocks 25 slide relative to the inclined grooves 23, thereby driving the pushing plate 26 and the bearing plate 20 to move upward. The bearing plate 20 drives the supporting blocks to move upward, so that the supporting blocks are pressed against the U-shaped baffle 5 and the limiting plate 6. In combination with the use of the side pressing plate 12 and the front pressing plate 7, the plurality of supporting blocks are fully locked and fixed, improving the stability of the supporting blocks. Moreover, the plurality of supporting blocks are in an aligned state, improving the subsequent machining precision.

[0030] The bearing plate 20 is connected with a guide rod 21, the guide rod 21 is slidingly connected with a guide cylinder 22, the guide cylinder 22 is connected to the top of the base 1. The guide rod 21 and the guide cylinder 22 slide relative to each other, which plays a good guiding role on the bearing plate 20 and improves the stability of the lifting of the bearing plate 20.

[0031] The base 1 is connected with a support plate 2 at the front end, the support plate 2 is connected with three operation handles 3, the operation handles 3 are connected with the clamping mechanism. The front pressing mechanism, the side pressing mechanism and the upper pressing mechanism are respectively controlled by the corresponding operation handles 3.

[0032] The limiting plate 6 and the U-shaped baffle 5 are connected by bolts, which facilitates the disassembly and assembly of the limiting plate 6.

[0033] Working principle: open the limiting plate 6, place multiple supporting blocks on the bearing plate 20, and then install and fix the limiting plate 6. Operate the corresponding operation handle 3, the cylinder two 17 drives the moving plate two 24 to move, the sliding block two 25 slides relative to the inclined groove two 23, drives the pushing plate 26 and the bearing plate 20 to move upwards, the guide rod 21 slides relative to the guide cylinder 22, and the top of the multiple supporting blocks is pressed against the U-shaped baffle 5 and the limiting plate 6. Then, the cylinder three 19 drives the side pressing plate 12 to move, so that the side pressing plate 12 is pressed against the side surface of the supporting block. Further, the cylinder one 9 drives the moving plate one 16 to move, the sliding block one 14 slides relative to the inclined groove one 15, drives the front pressing plate 7 to move forward, so that the front pressing plate 7 is pressed against the front end of the multiple supporting blocks, the guide column 11 slides relative to the guide seat 10, and the supporting blocks are fully locked and fixed, which improves the stability of the supporting blocks. At this time, the multiple supporting blocks are in an aligned state, which is convenient for subsequent machining, and the operation is simple and convenient, and the efficiency is high. When the supporting blocks are machined, the corresponding operation handle 3 is operated again, the front pressing plate 7, the side pressing plate 12 and the bearing plate 20 are moved back, and the supporting blocks are loosened, and then the limiting plate 6 is opened to take out the machined supporting blocks.

[0034] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A positioning jig for transformer support block processing, characterized by, The utility model relates to a supporting device for supporting and clamping the support block, including base (1) and the fixed plate (4) connected in the top of base (1), the top of fixed plate (4) is connected with U-shaped baffle (5), U-shaped baffle (5) is connected with detachable limiting plate (6), base (1) is connected with the clamping mechanism for clamping the support block, and the clamping mechanism includes front pressure mechanism, side pressure mechanism and the upper pressure mechanism of driving support block and moving up.

2. The positioning fixture for transformer support block machining according to claim 1, characterized in that, The front pressure mechanism includes front pressure plate (7), connecting head one (8), air cylinder one (9), a plurality of sliding block one (14), a plurality of inclined groove one (15), moving plate one (16), the air cylinder one (9) is connected in the top of base (1), and the power output end of air cylinder one (9) is connected with connecting head one (8), connecting head one (8) is connected in moving plate one (16), a plurality of inclined groove one (15) are arranged in moving plate one (16), sliding block one (14) is slidably connected in inclined groove one (15), and sliding block one (14) is fixedly connected with front pressure plate (7).

3. The positioning fixture for transformer support block machining according to claim 2, characterized in that, The top of base (1) is connected with two guide seats (10), the guide seat (10) is slidably connected with guide column (11), and the guide column (11) is fixedly connected with front pressure plate (7).

4. The positioning fixture for transformer support block machining according to claim 1, characterized in that, The side pressure mechanism includes side pressure plate (12), sliding plate (13) and air cylinder three (19), the air cylinder three (19) is connected to the inner side of fixed plate (4), and the power output end of air cylinder three (19) is connected with side pressure plate (12), and the sliding plate (13) is used for guiding side pressure plate (12).

5. The positioning fixture for transformer support block machining according to claim 4, characterized in that, The sliding plate (13) is connected to the top of base (1), and the side pressure plate (12) is slidably connected to the sliding plate (13).

6. The positioning fixture for transformer support block machining according to claim 1, characterized in that, The upper pressure mechanism includes air cylinder two (17), connecting head two (18), a plurality of inclined groove two (23), moving plate two (24), a plurality of sliding block two (25), push plate (26) and bearing plate (20), the air cylinder two (17) is connected to the fixed plate (4), and the power output end of air cylinder two (17) is connected with connecting head two (18), the connecting head two (18) is connected with moving plate two (24), a plurality of inclined groove two (23) are arranged in moving plate two (24), the sliding block two (25) is slidably connected in inclined groove two (23), and the sliding block two (25) is fixedly connected with push plate (26), and the bearing plate (20) is connected to the top of push plate (26).

7. The positioning fixture for transformer support block machining according to claim 6, characterized in that, The bearing plate (20) is connected with guide rod (21), the guide rod (21) is slidably connected with guide cylinder (22), and the guide cylinder (22) is connected to the top of base (1).

8. The positioning fixture for transformer support block machining according to claim 1, characterized in that, The front end of base (1) is connected with support plate (2), the support plate (2) is connected with three operating handles (3), and the operating handle (3) is connected with the clamping mechanism.

9. The positioning fixture for transformer support block machining according to claim 1, characterized in that, The limiting plate (6) and U-shaped baffle (5) are connected by bolts.

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