Copper-clad ceramic substrate positioning jig

Abstract

The utility model discloses a copper-clad ceramic substrate positioning jig which comprises a positioning frame and a fixing mechanism. Transverse grooves are formed in the left end and the right end of the lower surface of the positioning frame, sliding frames are slidably connected to the left end and the right end between the two transverse grooves, uniformly-distributed positioning holes are formed in the ends, away from the center of the positioning frame, of the transverse grooves, and uniformly-distributed threaded holes are formed in the ends, close to the center of the positioning frame, of the transverse grooves; symmetrically distributed connecting holes are formed in the lower ends of the sliding frames; the fixing mechanism comprises fixing cylinders, sliding grooves, sliding seats and outer supporting blocks, the fixing cylinders are located among the positioning holes, the connecting holes and the threaded holes which are adjacent in the longitudinal direction, and according to the copper-clad ceramic substrate positioning jig, the stability of positioning and clamping of the positioning plate on copper-clad ceramic substrates with different widths and different thicknesses is greatly improved through the outer supporting fixing mechanism; and accurate processing of the copper-coated ceramic substrates with different widths and different thicknesses is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to copper clad ceramic substrate processing technical field, specifically is a copper clad ceramic substrate positioning fixture. BACKGROUND

[0002] Copper clad ceramic substrate is a kind of electronic base material made by special process to sinter copper foil directly on ceramic surface, with high thermal conductivity, high insulation, high mechanical strength and excellent thermal cycle performance, widely used in power semiconductor, new energy automobile, aerospace, photovoltaic energy storage and other fields, copper clad ceramic substrate positioning fixture is a kind of device for accurately positioning and fixing copper clad ceramic substrate in processing or production process, to improve processing accuracy, efficiency and stability;

[0003] In prior art: the patent with authorized publication number CN217166877U discloses a copper clad ceramic substrate brazing positioning fixture, including positioning base plate, the positioning base plate top is equipped with several positioning pins, the positioning pin outer wall is equipped with the support piece of movable connection near the positioning base plate top center one side, the positioning pin outer wall is equipped with several flexible balls movably above the support piece;

[0004] This kind of copper clad ceramic substrate brazing positioning fixture has some problems, such as fixed position positioning pin, only can position and hold the copper clad ceramic substrate of different thickness in specific width range, cannot effectively meet the stable positioning demand of copper clad ceramic substrate of different width. UTILITY MODEL CONTENT

[0005] The utility model solves the technical problems of overcoming the defects of prior art, provides a copper clad ceramic substrate positioning fixture, the stability of the positioning and holding of positioning plate to copper clad ceramic substrate of different width and different thickness is greatly improved by the fixing mechanism of external support, the accurate processing of copper clad ceramic substrate of different width and different thickness is facilitated, and the problems in the background art can be effectively solved.

[0006] To achieve the above object, the utility model provides the following technical scheme: a copper clad ceramic substrate positioning fixture, including positioning frame and fixed mechanism;

[0007] Positioning frame: the left and right ends of its lower surface are each provided with a transverse slot, the left and right ends between the two transverse slots are each slidably connected with a sliding frame, the end of the transverse slot away from the center of the positioning frame is provided with evenly distributed positioning holes, the end of the transverse slot close to the center of the positioning frame is provided with evenly distributed screw holes, and the lower end of the sliding frame is provided with symmetrically distributed connecting holes;

[0008] The fixing mechanism comprises a fixing cylinder, a sliding groove, a sliding seat and an outer support block, the fixing cylinder is located between the positioning holes, the connecting holes and the threaded holes which are longitudinally adjacent, the inner part of the fixing cylinder is provided with the sliding grooves which are uniformly distributed and away from the center of the positioning frame, the inner part of the sliding groove is slidably connected with the sliding seat, and the end of the sliding seat away from the fixing cylinder is fixedly connected with the outer support block, so that the fixing mechanism of the outer support greatly improves the stability of the positioning plate for positioning and clamping the copper-clad ceramic substrate with different widths and thicknesses, and facilitates the accurate machining of the copper-clad ceramic substrate with different widths and thicknesses.

[0009] Further, the fixing mechanism further comprises a rotating disc, an Archimedes spiral groove, a connecting rod and a driving disc, the rotating disc is rotationally connected to the end of the inner part of the fixing cylinder away from the center of the positioning frame, the end of the rotating disc away from the center of the positioning frame is provided with the Archimedes spiral groove, the sliding seat is meshingly connected with the longitudinally adjacent Archimedes spiral grooves, the end of the rotating disc close to the center of the positioning frame is fixedly connected with the connecting rod, the end of the connecting rod close to the center of the positioning frame is fixedly connected with the driving disc, and the end of the driving disc close to the center of the positioning frame is fixedly connected with the cross rib, so as to provide a driving force for the concentric movement of the outer support block.

[0010] Further, the fixing mechanism further comprises an external thread, the external thread is fixedly connected to the end of the outer arc surface of the fixing cylinder close to the center of the positioning frame, and the external thread is threadedly connected with the adjacent threaded hole, so as to improve the stability of the connection between the fixing cylinder and the threaded hole.

[0011] Further, the inner walls of the front and rear sides of the sliding frame are provided with vertical grooves, the two vertical grooves which are longitudinally adjacent are slidably connected with the positioning plates, the opposite inner surfaces of the two positioning plates are fixedly connected with the uniformly distributed supporting plates, and the lower ends of the supporting plates are fixedly connected with the rubber pads through the supporting columns, so as to realize the positioning and clamping of the copper-clad ceramic substrate.

[0012] Further, the upper surfaces of the sliding frames are threadedly connected with the screw rods at the center positions, the upper ends of the screw rods are fixedly connected with the knobs, and the lower ends of the screw rods are rotationally connected with the upper surfaces of the positioning plates at the center positions which are vertically adjacent, so as to meet the positioning and clamping requirements of the copper-clad ceramic substrates with different thicknesses.

[0013] Further, the lower ends of the knobs are rotationally connected with the rotating rings, the lower surfaces of the rotating rings and the upper surfaces of the sliding frames which are vertically adjacent are fixedly connected with the wave tubes two, the center positions of the top walls of the sliding frames and the center positions of the upper surfaces of the positioning plates are fixedly connected with the wave tubes one, and the wave tubes one and the wave tubes two which are vertically adjacent are movably sleeved on the outer surfaces of the same screw rod, so as to avoid the influence of the external environment on the performance of the screw rod.

[0014] Further, the upper surface of the positioning frame is provided with a positioning grid, which assists in accurately positioning the copper-clad ceramic substrates with different widths and thicknesses.

[0015] Compared with the prior art, the copper-clad ceramic substrate positioning jig has the following advantages:

[0016] The fixed cylinder is inserted between the adjacent positioning holes, connecting holes and threaded holes in the longitudinal direction, and the outer thread of the outer arc surface of the fixed cylinder is screwed with the threaded holes by rotating the fixed cylinder, then the Archimedes screw groove is driven by the rotating disc, so that the three sliding seats are simultaneously centered and moved outward, and finally the outer support block is in close contact with the inner wall of the positioning hole, realizing stable outward support fixation of the fixed cylinder, thereby ensuring the stability of the position locking of the sliding frame, avoiding the offset of the copper-clad ceramic substrate caused by the shaking of the sliding frame through the rubber pad, greatly improving the stability of the positioning and clamping of the positioning plate for copper-clad ceramic substrates with different widths and thicknesses, and facilitating precise machining of copper-clad ceramic substrates with different widths and thicknesses. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a sectional structural schematic diagram of the utility model;

[0019] Figure 3 It is an enlarged structural schematic diagram of the utility model at A;

[0020] Figure 4 It is an enlarged structural schematic diagram of the utility model at B.

[0021] In the figure: 1 positioning frame, 2 transverse groove, 3 sliding frame, 4 positioning hole, 5 threaded hole, 6 fixing mechanism, 61 fixed cylinder, 62 rotating disc, 63 sliding groove, 64 sliding seat, 65 Archimedes screw groove, 66 outer support block, 67 connecting rod, 68 driving disc, 69 outer thread, 7 vertical groove, 8 positioning plate, 9 support, 10 rubber pad, 11 screw rod, 12 knob, 13 corrugated pipe I, 14 corrugated pipe II, 15 rotating ring, 16 positioning grid. 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 belong to the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 The embodiment provides a technical scheme: a copper-clad ceramic substrate positioning jig, which comprises a positioning frame 1 and a fixing mechanism 6.

[0024] The positioning frame 1 is provided with transverse grooves 2 at the left and right ends of the lower surface, and the left and right ends between the two transverse grooves 2 are slidably connected with sliding frames 3; the ends of the transverse grooves 2 away from the center of the positioning frame 1 are provided with uniformly distributed positioning holes 4, and the ends of the transverse grooves 2 close to the center of the positioning frame 1 are provided with uniformly distributed threaded holes 5; the lower ends of the sliding frames 3 are provided with symmetrically distributed connecting holes; the upper surface of the positioning frame 1 is provided with a positioning grid 16; the copper-clad ceramic substrate is stably placed on the upper surface of the positioning frame 1 under the positioning marks of the positioning grid 16, and then the two sliding frames 3 are slid according to the width of the copper-clad ceramic substrate, and the two sliding frames 3 slide between the two transverse grooves 2;

[0025] The fixing mechanism 6 comprises fixing cylinders 61, sliding grooves 63, sliding seats 64 and outer supporting blocks 66, the fixing cylinders 61 are located between the positioning holes 4 and the connecting holes and the threaded holes 5 which are longitudinally adjacent, the fixing cylinders 61 are uniformly provided with the sliding grooves 63 at the ends away from the center of the positioning frame 1, the sliding grooves 63 are fixedly connected with the guide rods inside, the guide rods are slidingly connected with the sliding cavities inside the sliding seats 64 which are radially adjacent, the sliding grooves 63 are slidingly connected with the sliding seats 64, the sliding seats 64 are fixedly connected with the outer supporting blocks 66 at the ends away from the fixing cylinders 61, the fixing mechanism 6 further comprises rotating discs 62, Archimedes spiral grooves 65, connecting rods 67 and driving discs 68, the rotating discs 62 are rotationally connected at the ends of the fixing cylinders 61 away from the center of the positioning frame 1, the rotating discs 62 are provided with the Archimedes spiral grooves 65 at the ends away from the center of the positioning frame 1, the sliding seats 64 are meshingly connected with the Archimedes spiral grooves 65 which are longitudinally adjacent, the rotating discs 62 are fixedly connected with the connecting rods 67 at the ends close to the center of the positioning frame 1, the connecting rods 67 are fixedly connected with the driving discs 68 at the ends close to the center of the positioning frame 1, the driving discs 68 are fixedly connected with the cross ribs at the ends close to the center of the positioning frame 1, the fixing mechanism 6 further comprises external threads 69, the external threads 69 are fixedly connected at the ends of the outer arc surfaces of the fixing cylinders 61 close to the center of the positioning frame 1, the external threads 69 are threadedly connected with the threaded holes 5 which are adjacent, when the two sliding frames 3 reach the required positions, the personnel rotate the fixing cylinders 61 to be connected between the positioning holes 4, the connecting holes and the threaded holes 5 which are longitudinally adjacent, the external threads 69 of the outer arc surfaces of the fixing cylinders 61 are threadedly connected with the threaded holes 5 which are longitudinally adjacent, when the ends of the fixing cylinders 61 away from the center of the positioning frame 1 are tightly attached to the bottom walls of the positioning holes 4 away from the center of the positioning frame 1, the rotation of the fixing cylinders 61 is stopped, then the personnel rotate the driving discs 68 through the cross ribs, the driving discs 68 drive the longitudinally adjacent connecting rods 67 to rotate, the connecting rods 67 drive the longitudinally adjacent rotating discs 62 to rotate, and then drive the longitudinally adjacent Archimedes spiral grooves 65 to rotate, so that the sliding seats 64 move in the corresponding sliding grooves 63 away from the center of the fixing cylinders 61, the sliding seats 64 move away from the center of the fixing cylinders 61, and the outer supporting blocks 66 move away from the center of the fixing cylinders 61, the side surfaces of the outer supporting blocks 66 away from the center of the fixing cylinders 61 are tightly attached to the inner walls of the positioning holes 4, and then the outer supporting of the outer supporting blocks 66 realizes the stable outer supporting of the fixing cylinders 61 and the corresponding positioning holes 4, and then the stable position locking of the sliding frames 3 is realized;

[0026] The inner wall of the front and back of the sliding frame 3 is provided with a vertical groove 7, the vertical groove 7 is slidably connected with a positioning plate 8 between two vertically adjacent vertical grooves 7, the inner wall of the vertical groove 7 is fixedly connected with a slide rod, the outer surface of the slide rod is slidably connected with the corresponding end of the vertically adjacent positioning plate 8, the opposite inner surfaces of the two positioning plates 8 are fixedly connected with evenly distributed supporting plates 9, the lower end of the supporting plate 9 is fixedly connected with a rubber pad 10 through a support column, the upper surface of the sliding frame 3 is threadedly connected with a screw rod 11 at the center position, the upper end of the screw rod 11 is fixedly connected with a knob 12, the lower end of the screw rod 11 is rotatably connected with the center position of the upper surface of the vertically adjacent positioning plate 8, the lower end of the knob 12 is rotatably connected with a rotating ring 15, the lower surface of the rotating ring 15 and the upper surface of the vertically adjacent sliding frame 3 are fixedly connected with a corrugated tube two 14, the center position of the top wall of the sliding frame 3 and the center position of the upper surface of the positioning plate 8 are fixedly connected with a corrugated tube one 13, the corrugated tube one 13 and the vertically adjacent corrugated tube two 14 are movably sleeved on the outer surface of the same screw rod 11, the screw rod 11 is lowered under the action of the sliding frame 3 by rotating the screw rod 11 through the knob 12, the positioning plate 8 is lowered between the corresponding two vertical grooves 7 by the screw rod 11, the evenly distributed supporting plates 9 are lowered by the positioning plate 8, and finally the rubber pad 10 is lowered, so that the rubber pad 10 and the positioning frame 1 realize stable positioning and clamping of the copper-clad ceramic substrate, and in the movement process of the knob 12 and the positioning plate 8, the corrugated tube one 13 and the corrugated tube two 14 are correspondingly stretched and contracted to protect the screw rod 11 and avoid the influence of the external environment on the performance of the screw rod 11.

[0027] The working principle of the copper-clad ceramic substrate positioning jig is as follows: in working, personnel first place the copper-clad ceramic substrate under the positioning marks of the positioning grid 16 on the upper surface of the positioning frame 1, then slide the two sliding frames 3 according to the width of the copper-clad ceramic substrate, when the two sliding frames 3 reach the required positions, the personnel rotate the fixing cylinders 61 to be connected between the adjacent positioning holes 4, connecting holes and threaded holes 5 in the longitudinal direction, the outer threads 69 on the outer arc surfaces of the fixing cylinders 61 are screwed with the threaded holes 5 in the longitudinal direction, when the ends of the fixing cylinders 61 away from the center of the positioning frame 1 are tightly attached to the side bottom walls of the positioning holes 4 away from the center of the positioning frame 1, stop rotating the fixing cylinders 61, then the personnel rotate the driving disc 68 through the cross rib, the driving disc 68 rotates to drive the adjacent struts 67 to rotate, the struts 67 rotate to drive the adjacent rotating discs 62 to rotate, and then drive the adjacent Archimedes spiral grooves 65 to rotate, so that the sliding seats 64 move in the corresponding sliding grooves 63 away from the center of the fixing cylinders 61, the sliding seats 64 move out to drive the adjacent outer supporting blocks 66 to move out, the side surfaces of the outer supporting blocks 66 away from the center of the fixing cylinders 61 are tightly attached to the inner walls of the positioning holes 4, and then the outer supporting of the outer supporting blocks 66 realizes the stable supporting of the fixing cylinders 61 and the corresponding positioning holes 4, and then the stable position locking of the sliding frames 3 is realized, then the personnel rotate the screw rod 11 through the knob 12, the screw rod 11 moves downward under the action of the sliding frame 3, the screw rod 11 moves downward to drive the positioning plate 8 to move downward between the two vertical grooves 7, the positioning plate 8 moves downward to drive the evenly distributed supporting plates 9 to move downward, and finally drive the downward movement of the rubber pad 10, and the rubber pad 10 and the positioning frame 1 realize the stable positioning and clamping of the copper-clad ceramic substrate, in the movement process of the knob 12 and the positioning plate 8, the wave tube one 13 and the wave tube two 14 follow the corresponding expansion and contraction to provide protection for the screw rod 11, and avoid the influence of the external environment on the performance of the screw rod 11.

[0028] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation according to the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A copper clad ceramic substrate positioning jig, characterized by: It comprises a positioning frame (1) and a fixing mechanism (6); The positioning frame (1) is provided with transverse grooves (2) at both ends of its lower surface, and sliding frames (3) are slidably connected at both ends between the two transverse grooves (2). The end of the transverse groove (2) away from the center of the positioning frame (1) is provided with uniformly distributed positioning holes (4), and the end of the transverse groove (2) close to the center of the positioning frame (1) is provided with uniformly distributed threaded holes (5). The lower end of the sliding frame (3) is provided with symmetrically distributed connecting holes. The fixing mechanism (6) comprises a fixing cylinder (61), a sliding groove (63), a sliding seat (64) and an outer support block (66). The fixing cylinder (61) is located between the longitudinally adjacent positioning holes (4), connecting holes and threaded holes (5). The inner end of the fixing cylinder (61) away from the center of the positioning frame (1) is provided with uniformly distributed sliding grooves (63). The inner part of the sliding groove (63) is slidably connected with the sliding seat (64). The end of the sliding seat (64) away from the fixing cylinder (61) is fixedly connected with the outer support block (66).

2. The copper clad ceramic substrate positioning jig of claim 1, wherein: The fixing mechanism (6) further comprises a rotating disc (62), an Archimedes spiral groove (65), a connecting rod (67) and a driving disc (68). The rotating disc (62) is rotatably connected to the inner end of the fixing cylinder (61) away from the center of the positioning frame (1). The end of the rotating disc (62) away from the center of the positioning frame (1) is provided with an Archimedes spiral groove (65). The sliding seat (64) is meshingly connected with the longitudinally adjacent Archimedes spiral groove (65). The end of the rotating disc (62) close to the center of the positioning frame (1) is fixedly connected with the connecting rod (67). The end of the connecting rod (67) close to the center of the positioning frame (1) is fixedly connected with the driving disc (68). The end of the driving disc (68) close to the center of the positioning frame (1) is fixedly connected with a cross rib.

3. The copper clad ceramic substrate positioning fixture of claim 1, wherein: The fixing mechanism (6) further comprises an external thread (69) fixedly connected to the outer arc surface of the fixing cylinder (61) close to the center of the positioning frame (1). The external thread (69) is threadedly connected with the adjacent threaded hole (5).

4. The copper clad ceramic substrate positioning fixture of claim 1, wherein: The inner walls of the front and rear sides of the sliding frame (3) are provided with vertical grooves (7). The longitudinally adjacent two vertical grooves (7) are slidably connected with positioning plates (8). The opposite inner surfaces of the two positioning plates (8) are fixedly connected with uniformly distributed support plates (9). The lower end of the support plate (9) is fixedly connected with a rubber pad (10) through a support column.

5. The copper clad ceramic substrate positioning fixture of claim 4, wherein: The upper surface of the sliding frame (3) is threadedly connected with a screw rod (11) at the center position. The upper end of the screw rod (11) is fixedly connected with a knob (12). The lower end of the screw rod (11) is rotatably connected with the center position of the upper surface of the vertically adjacent positioning plate (8).

6. The copper clad ceramic substrate positioning fixture of claim 5, wherein: The lower end of the knob (12) is rotationally connected with a rotating ring (15), the lower surface of the rotating ring (15) and the upper surface of the vertically adjacent sliding frame (3) are fixedly connected with a wave tube two (14), the center position of the top wall of the sliding frame (3) and the center position of the upper surface of the positioning plate (8) are fixedly connected with a wave tube one (13), and the wave tube one (13) and the vertically adjacent wave tube two (14) are movably sleeved on the outer surface of the same screw rod (11).

7. The copper clad ceramic substrate positioning fixture of claim 1, wherein: The upper surface of the positioning frame (1) is provided with a positioning grid (16).

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