CN223265441U - A hinge grinding fixture with adjustable opening and closing angle - Google Patents

Abstract

The utility model relates to a hinge polishing clamp with an adjustable opening and closing angle, which is simple in structure and can be used for adjusting the opening angle of a hinge by aiming at hinges with different closing gaps. The hinge comprises a base, an axle center locating rack arranged on the base, and two combined page locating racks symmetrically arranged at two side ends of the axle center locating rack, wherein the base is also provided with a double-slipway linkage screw rod, the two combined page locating racks are in sliding fit with the base through the double-slipway linkage screw rod and synchronously and relatively slide on the axis of the double-slipway linkage screw rod by taking the axle center locating rack as a midpoint, and the two combined page locating racks are driven to synchronously and relatively move on the base through the double-slipway linkage screw rod, namely, the two combined page locating racks are synchronously close to the axle center locating rack on the axis of the double-slipway linkage screw rod or synchronously far away from the axle center locating rack, so that the opening and closing angles of hinge hinges are adjusted to meet the polishing requirements of hinges with different closing gaps. The utility model is suitable for the field of hinge processing and manufacturing.

Description

Hinge polishing clamp with adjustable opening and closing angle

Technical Field

The utility model relates to the field of hinge processing and manufacturing, in particular to a hinge polishing clamp with an adjustable opening and closing angle.

Background

The hinge is a mechanical connecting part which is used for connecting two objects and can enable the two objects to rotate relatively, the hinge and the hinge axis are welded together to form the hinge through a welding device matched with a corresponding jig during production, and finally, the welding position is polished smoothly to finish the production process. In order to cope with different application scenes, the closing gaps required by the hinges are different, when the hinges with different closing gaps are matched with polishing equipment to polish, the angles required to be opened by the hinges with different closing gaps are different, in the traditional polishing procedure, manual operation is generally adopted, namely, the hinges with different closing gaps are manually opened for polishing at a certain angle according to polishing requirements of the hinges with different closing gaps, the processing mode is greatly influenced by human factors, the processing efficiency and the precision are difficult to control, and the conventional clamp is matched with the clamp and the polishing equipment to automatically polish, but the opening angles cannot be adjusted, the corresponding clamp can only be replaced according to the hinges with different closing gaps, so that the production cost of enterprises is greatly improved, and the operation of replacing the clamp back and forth also has influence on the processing efficiency and the precision.

Disclosure of utility model

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing the hinge polishing clamp with the adjustable opening and closing angle, which is simple in structure and can adjust the opening angle of a hinge according to hinges with different closing gaps.

The hinge positioning frame comprises a base, an axle center positioning frame arranged on the base and two combined page positioning frames symmetrically arranged at two side ends of the axle center positioning frame, wherein a double-sliding table linkage screw rod is further arranged on the base, two groups of hinge positioning frames are in sliding fit with the base through the double-sliding table linkage screw rod, and the axle center positioning frames are used as midpoints to synchronously and relatively slide on the axis of the double-sliding table linkage screw rod.

Further, the hinge locating rack includes connecting plate, two sets of locating brackets, rotating shaft and a plurality of locating plates, two sets of locating brackets divide to be located the connecting plate left and right sides end, the rotating shaft rotates to be connected in two sets of between the locating brackets, a plurality of locating plates are fixed to be set up on the rotating shaft, two sets of all be provided with on the locating brackets with the fine setting mechanism that the rotating shaft linked mutually.

Further, fine setting mechanism includes fine setting swing arm and spacing pin, the fine setting swing arm top seted up with the connecting hole of swivel axis looks adaptation connecting hole one side is provided with the screw thread compact heap, fine setting swing arm bottom still is provided with the arc spacing groove, spacing pin one end with locating support threaded connection, the other end is arranged in the arc spacing groove.

Further, the lower surfaces of the left side and the right side of the connecting plate are provided with auxiliary sliding mechanisms, each auxiliary sliding mechanism comprises an auxiliary sliding rail and an auxiliary sliding block in sliding fit with the corresponding auxiliary sliding rail, the auxiliary sliding blocks are fixedly connected with the connecting plate, the auxiliary sliding rails are fixedly connected with the base, and the auxiliary sliding rails are parallel to the double-sliding-table linkage screw rods.

Further, the double-sliding-table linkage screw rod comprises a screw rod transversely arranged on the base, bearing seats fixedly connected with the base are respectively sleeved on two side ends of the screw rod, a first sliding table and a second sliding table with opposite screw threads are further arranged between the two bearing seats on the screw rod, and the connecting plates are respectively fixedly connected with the first sliding table and the second sliding table.

Further, the tail end of any side of the screw rod extends out of the bearing seat, and a driving gear is arranged on the tail end of the side.

Further, the axle center locating frame comprises a linear sliding rail, a plurality of axle center locating sliding blocks and locating sliding blocks, wherein the axle center locating sliding blocks and the locating sliding blocks are in sliding fit with the linear sliding rail, the linear sliding rail is arranged in parallel with the hinge locating frame, a limiting block is fixedly arranged at the tail end position of any side of the linear sliding rail, and the axle center locating sliding blocks are located between the locating sliding blocks and the limiting blocks.

Further, a positioning shaft is detachably arranged on the positioning slide blocks, and a plurality of V-shaped placing grooves are formed in the upper surfaces of the shaft center positioning slide blocks.

Finally, a first mounting groove and a second mounting groove which are distributed in a cross shape are formed in the base, the axle center locating rack is arranged in the first mounting groove, and the double-sliding table linkage screw rod is arranged in the second mounting groove.

Compared with the prior art, the hinge positioning device has the beneficial effects that when the hinge to be polished is positioned, the rotating shaft of the hinge is placed on the axle center positioning frame to limit, the hinge of the hinge is naturally contacted with the hinge positioning frames at two sides, and the two groups of hinge positioning frames are driven to synchronously and relatively move on the base through the double-sliding-table linkage screw rod, namely, the axes of the double-sliding-table linkage screw rod synchronously approach to the axle center positioning frame or synchronously depart from the axle center positioning frame, so that the opening and closing angles of the hinge are adjusted to meet the polishing requirements of the hinges with different closing gaps, the manual operation is effectively replaced, and meanwhile, the clamp is not required to be frequently replaced, so that the production efficiency is greatly improved. Therefore, the utility model has simple structure, can adjust the opening angle of the hinge by coping with hinges with different closing gaps, and improves the production efficiency of enterprises.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic side elevational view of the present utility model;

FIG. 3 is a schematic view of the hinge retainer (shown partially exploded);

fig. 4 is a schematic structural view of the double-slipway linkage screw rod;

FIG. 5 is a schematic view of the structure of the axle center positioning frame;

FIG. 6 is a schematic view of the structure of the base;

FIG. 7 is a schematic view of the structure of the fine tuning swing arm;

FIG. 8 is a schematic view of the structure of the positioning slider;

Fig. 9 is a schematic structural view of the axial positioning slider.

Detailed Description

As shown in fig. 1 to 9, the utility model comprises a base 1, an axle center locating frame 2 arranged on the base 1, and two combined page locating frames 3 symmetrically arranged at two side ends of the axle center locating frame 2, wherein a double-sliding table linkage screw rod 4 is also arranged on the base 1, and two groups of the two combined page locating frames 3 are in sliding fit with the base 1 through the double-sliding table linkage screw rod 4 and synchronously and relatively slide on the axis of the double-sliding table linkage screw rod 4 by taking the axle center locating frame 2 as a middle point. The base 1 is also provided with a first mounting groove 10 and a second mounting groove 11 which are distributed in a cross shape, the axle center positioning frame 2 is arranged in the first mounting groove 10, and the double-sliding table linkage screw rod 4 is arranged in the second mounting groove 11. When the hinge to be polished is positioned, the rotating shaft of the hinge is placed on the axle center positioning frame 2 to limit, the hinge of the hinge is naturally contacted with the hinge positioning frames 3 on two sides, the two groups of hinge positioning frames 3 are driven by the double-sliding-table linkage screw rod 4 to synchronously move relatively on the base 1, namely, the axis of the double-sliding-table linkage screw rod 4 is synchronously moved to the axle center positioning frames 3 to be close to or synchronously moved away from the axle center positioning frames 3, so that the opening and closing angles of the hinge are adjusted to meet the polishing requirements of the hinges with different closing gaps.

In the utility model, the two combined page positioning frames 3 comprise a connecting plate 30, two groups of positioning brackets 31, a rotating shaft 32 and a plurality of positioning plates 33, wherein the two groups of positioning brackets 31 are respectively arranged at the left side end and the right side end of the connecting plate 30, the rotating shaft 32 is rotatably connected between the two groups of positioning brackets 31, the plurality of positioning plates 33 are fixedly arranged on the rotating shaft 32, two groups of positioning brackets 31 are respectively provided with a fine adjustment mechanism linked with the rotating shaft 32, the fine adjustment mechanism comprises a fine adjustment swing arm 34 and a limiting pin 35, the top of the fine adjustment swing arm 34 is provided with a connecting hole 340 matched with the rotating shaft 32, one side of the connecting hole 340 is provided with a threaded compression block 341, the bottom of the fine adjustment swing arm 34 is also provided with an arc limiting groove 342, one end of the limiting pin 35 is in threaded connection with the positioning brackets 31, the other end of the limiting pin is arranged in the arc limiting groove 342, the lower surfaces of the left side and the right side of the connecting plate 30 are respectively provided with an auxiliary sliding mechanism, the auxiliary sliding mechanism comprises an auxiliary sliding rail 36 and an auxiliary sliding block 37 matched with the auxiliary sliding rail 36, the auxiliary sliding rail 37 is connected with the auxiliary sliding rail 36 in a sliding way, and the auxiliary sliding rail 36 is fixedly connected with the auxiliary sliding rail 36, and the auxiliary sliding rail is parallel to the base 1. The rotating shaft 32 is provided with a plane 38 for placing the positioning plates 33, in the scheme, two positioning plates 33 are arranged on the plane 38 in a screw fixing mode, the positioning plates 33 in the two groups of hinge positioning frames 3 are placed in a V shape in a normal state, the hinge is matched with the surface of the hinge, the inclination angle is adjusted by rotating the fine-tuning swing arm 34, the adapting range of the utility model is further improved, the arc-shaped limiting groove 342 is used for adjusting the rotating amplitude, and after rotating in place, the limiting pin 35 is screwed into the positioning frame 31 and is tightly pressed on the fine-tuning swing arm 34 to fix. The base 1 is further provided with a third mounting groove 12 for placing the auxiliary sliding rail 36, and the auxiliary sliding rail 36 is fixedly mounted in the third mounting groove 12 through a screw.

In the utility model, the double-sliding-table linkage screw rod 4 comprises a screw rod 40 transversely arranged on the base 1, bearing seats 41 fixedly connected with the base 1 are sleeved on two side ends of the screw rod 40, a first sliding table 42 and a second sliding table 43 which are opposite in thread direction are further arranged between the two bearing seats 41 on the screw rod 40, the connecting plate 30 is fixedly connected with the first sliding table 42 and the second sliding table 43 respectively, the tail end of any side of the screw rod 40 extends out of the bearing seats 41, a driving gear 44 is arranged on the tail end of the side, the first sliding table 42 and the second sliding table 43 which are opposite in thread connection direction with the screw rod 40 drive two groups of hinge locating frames 3 to synchronously and relatively slide on the screw rod 40, namely, simultaneously approach towards the direction of the axis locating frames 2, or simultaneously far away from the axis locating frames 2, and match with the rotation of the fine tuning swing arm 34, so that the opening angle of hinge is realized, the hinge is matched with the polishing requirement of hinges with different closing gaps, when the screw rod is used, the screw rod is directly screwed by the manual gear 44, the driving gear 44 is automatically driven, the first sliding table 40 is also automatically driven, and the position of the screw rod is further controlled by the electric control device 44, and the intelligent adjusting device is further connected with the first sliding table 44.

The axle center locating frame 2 comprises a linear sliding rail 20, a plurality of axle center locating sliding blocks and locating sliding blocks 21, wherein the axle center locating sliding blocks and the locating sliding blocks are in sliding fit with the linear sliding rail 20, the linear sliding rail 20 and the two combined page locating frames 3 are arranged in parallel, limiting blocks 22 are fixedly arranged at the tail end positions of any side of the linear sliding rail 20, the axle center locating sliding blocks are located between the locating sliding blocks 21 and the limiting blocks 22, locating shafts 23 are detachably arranged on the locating sliding blocks 21, and V-shaped placing grooves 24 are formed in the upper surfaces of the axle center locating sliding blocks. In the utility model, a first axial positioning slide block 25, a second axial positioning slide block 26 and a third axial positioning slide block 27 are arranged between the limiting block 22 and the positioning slide block 21, a plurality of positioning holes are arranged on the upper surface of the linear slide rail 20, the limiting block 22, the second axial positioning slide block 26 and the third axial positioning slide block 27 are fixedly arranged on the linear slide rail 20 in a mode of connecting the corresponding positioning holes through screws, and a pressing structure is arranged at the bottoms of the first axial positioning slide block 25 and the positioning slide block 21 and can be fixed in a mode of adjusting the position according to the specific length of a hinge arranged on the axial positioning frame 2 and tightening the pressing structure through screwing in the screws.

Finally, it should be emphasized that the foregoing description is merely illustrative of the preferred embodiments of the utility model, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and principles of the utility model, and any such modifications, equivalents, improvements, etc. are intended to be included within the scope of the utility model.

Claims (9)

1. The hinge polishing clamp with the adjustable opening and closing angle is characterized by comprising a base (1), an axle center locating frame (2) arranged on the base (1) and two combined page locating frames (3) symmetrically arranged at two side ends of the axle center locating frame (2), wherein a double-sliding table linkage screw rod (4) is further arranged on the base (1), and the two groups of the two combined page locating frames (3) are in sliding fit with the base (1) through the double-sliding table linkage screw rod (4) and synchronously and relatively slide on the axis of the double-sliding table linkage screw rod (4) by taking the axle center locating frame (2) as a midpoint.

2. The hinge polishing clamp with the adjustable opening and closing angle as set forth in claim 1, wherein the two combined page positioning frames (3) comprise a connecting plate (30), two groups of positioning brackets (31), a rotating shaft (32) and a plurality of positioning plates (33), the two groups of positioning brackets (31) are respectively arranged at the left side end and the right side end of the connecting plate (30), the rotating shaft (32) is rotatably connected between the two groups of positioning brackets (31), the plurality of positioning plates (33) are fixedly arranged on the rotating shaft (32), and fine adjustment mechanisms which are linked with the rotating shaft (32) are respectively arranged on the two groups of positioning brackets (31).

3. The hinge polishing clamp with the adjustable opening and closing angle as set forth in claim 2, wherein the fine adjustment mechanism comprises a fine adjustment swing arm (34) and a limit pin (35), a connecting hole (340) matched with the rotating shaft (32) is formed in the top of the fine adjustment swing arm (34), a threaded compression block (341) is arranged on one side of the connecting hole (340), an arc limit groove (342) is further formed in the bottom of the fine adjustment swing arm (34), one end of the limit pin (35) is in threaded connection with the positioning bracket (31), and the other end of the limit pin is arranged in the arc limit groove (342).

4. The hinge polishing clamp with the adjustable opening and closing angle according to claim 2, wherein auxiliary sliding mechanisms are arranged on the lower surfaces of the left side and the right side of the connecting plate (30), each auxiliary sliding mechanism comprises an auxiliary sliding rail (36) and an auxiliary sliding block (37) which is in sliding fit with the corresponding auxiliary sliding rail (36), the auxiliary sliding blocks (37) are fixedly connected with the connecting plate (30), the auxiliary sliding rails (36) are fixedly connected with the base (1), and the auxiliary sliding rails (36) are parallel to the double-sliding-table linkage screw rod (4).

5. The hinge polishing clamp with the adjustable opening and closing angle according to claim 2, wherein the double-sliding-table linkage screw rod (4) comprises a screw rod (40) transversely arranged on the base (1), bearing seats (41) fixedly connected with the base (1) are sleeved on two side ends of the screw rod (40), a first sliding table (42) and a second sliding table (43) with opposite screw thread directions are further arranged between the two bearing seats (41) on the screw rod (40), and the connecting plate (30) is fixedly connected with the first sliding table (42) and the second sliding table (43) respectively.

6. The hinge polishing jig with an adjustable opening and closing angle as set forth in claim 5, wherein either side end of the screw (40) is protruded outside the bearing housing (41), and a driving gear (44) is provided on the side end.

7. The hinge polishing clamp with the adjustable opening and closing angle according to claim 1, wherein the axis locating frame (2) comprises a linear sliding rail (20), a plurality of axis locating sliding blocks and locating sliding blocks (21) which are in sliding fit with the linear sliding rail (20), the linear sliding rail (20) and the two combined page locating frames (3) are arranged in parallel, a limiting block (22) is fixedly arranged at the tail end position of any side of the linear sliding rail (20), and the axis locating sliding blocks are located between the locating sliding blocks (21) and the limiting block (22).

8. The hinge polishing clamp with the adjustable opening and closing angle as claimed in claim 7, wherein the positioning slide blocks (21) are detachably provided with positioning shafts (23), and the upper surfaces of the plurality of shaft center positioning slide blocks are provided with V-shaped placing grooves (24).

9. The hinge polishing clamp with the adjustable opening and closing angle according to claim 1, wherein a first mounting groove (10) and a second mounting groove (11) which are distributed in a cross shape are further formed in the base (1), the axle center locating frame (2) is arranged in the first mounting groove (10), and the double-sliding table linkage screw rod (4) is arranged in the second mounting groove (11).