Positioning mould for machining bell housing

Abstract

The positioning mould comprises a mounting seat, a machine tool ejector pin and a bell-shaped shell, the machine tool ejector pin is arranged at the top of the mounting seat, the bell-shaped shell is arranged between the mounting seat and the machine tool ejector pin, a plurality of displacement adjusting grooves are formed in the top of the mounting seat at equal intervals in a surrounding mode, and the displacement adjusting grooves are arranged in the mounting seat. The utility model relates to the technical field of bell housing processing. According to the positioning mould for bell housing machining, the adjusting block is arranged in the displacement adjusting groove in a sliding mode, the positioning bearing mechanism is arranged at the top of the adjusting block, and the clamping groove and the clamping block are arranged between the displacement adjusting groove and the adjusting block, so that the positioning bearing mechanism can conveniently adjust the positioning direction through cooperation; and secondly, finger pressing grooves and finger pressing frames are arranged among the adjusting blocks, the containing grooves and the clamping blocks, so that the clamping blocks and the clamping grooves are matched in a limiting mode, and external control is easy.

Description

Technical Field

[0001] The utility model relates to the technical field of bell-shaped shell processing, in particular to a positioning jig for bell-shaped shell machining. Background Art

[0002] The bell-shaped shell is a kind of automobile component, one end of which is a handle end and the other end is an opening end. The inner edge of the opening end is provided with an inner chamfer along the circumference, and six ball tracks are evenly distributed along the inner circumference of the opening end. In order to facilitate the turning of the outer surface of the bell-shaped shell, a special positioning jig and the adaptation of the ball track are adopted in the prior art, so that the machine tool can easily position the bell-shaped shell.

[0003] In view of this: Chinese patent CN212653092U discloses a positioning jig for bell shell machining, which belongs to a special tooling auxiliary tool for bell shell machining, and has a cylindrical frame, the rear end of which is fixedly connected to a flange seat, and the flange seat is provided with a plurality of mounting holes; six semicircular arc grooves are evenly distributed on the circumference of the outer circumferential surface of the head end of the cylindrical frame, and a threaded hole is provided at the bottom of each arc groove, and each threaded hole is connected with the center hole of the cylindrical frame, and a cylinder is installed in each arc groove, and the head end of each cylinder is a spherical surface, and a bolt hole is radially provided on each cylinder, and a bolt is installed in each bolt hole, and the screw of each bolt is provided with a positioning section and a first threaded section, wherein the outer circumferential surface of the screw of the positioning section of each bolt is slidably and rotatably connected with the inner circumferential surface axial hole of the corresponding bolt hole, and the first threaded section of each bolt is threadedly connected with the threaded hole on the corresponding arc groove, and the above structure can position the bell shell precision forging with high positioning accuracy.

[0004] Although the above method facilitates the precise positioning of the bell-shaped shell forgings, it is inevitable that there are still some shortcomings in the actual use, such as the lack of a positioning position adjustment mechanism in the device, resulting in a small positioning adaptation range of the device. In order to avoid such problems, a bell-shaped shell machine with a positioning jig is proposed to solve the existing problems. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a bell-shaped shell machine with a positioning jig, which solves the problem that the device lacks a positioning position adjustment mechanism, resulting in a small positioning adaptation range of the device.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a positioning jig for a bell-shaped shell machine, comprising a mounting seat, a machine tool ejector and a bell-shaped shell, wherein the machine tool ejector is arranged on the top of the mounting seat, and the bell-shaped shell is arranged between the mounting seat and the machine tool ejector, and a plurality of displacement adjustment grooves are equidistantly arranged around the top of the mounting seat, and an adjustment block is slidably connected inside the displacement adjustment groove, and a positioning support mechanism matched with the bell-shaped shell is arranged on the top of the adjustment block, and a storage groove is arranged on the surface of the adjustment block, and two storage grooves are symmetrically arranged, and a card block is slidably connected inside the storage groove, and a reset spring is fixedly connected between adjacent card blocks and the storage groove, and a plurality of card slots matched with the card block are arranged on the inner wall of the displacement adjustment groove.

[0007] Preferably, a finger pressure groove communicating with the receiving groove is provided on the surface of the adjusting block, and a finger pressure frame slidably matched with the finger pressure groove is fixedly connected to the surface of the clamping block.

[0008] Preferably, the positioning support mechanism includes an inner polygonal sleeve, which is fixedly arranged on the top of the adjusting block, and a cylindrical positioning support rod is arranged on the top of the inner polygonal sleeve, and a polygonal pin which is slidably matched with the inner polygonal sleeve is fixedly connected to the bottom of the cylindrical positioning support rod, and threaded grooves are provided on the surfaces of the polygonal pin and the inner polygonal sleeve, and two adjacent threaded grooves are threadedly connected by fastening bolts.

[0009] Preferably, a limiting slide groove is provided at the bottom of the inner cavity of the displacement adjustment groove, a limiting slider is slidably connected inside the limiting slide groove, and the top of the limiting slider is fixedly connected to the bottom of the adjacent adjustment block.

[0010] Preferably, a mounting ring with holes is fixedly connected to the bottom of the mounting seat.

[0011] Beneficial Effects

[0012] The utility model provides a positioning jig for bell shell machine. Compared with the existing technology, the utility model has the following beneficial effects: the utility model slides an adjustment block inside the displacement adjustment groove, and sets a positioning support mechanism on the top of the adjustment block, and sets a card slot and a card block between the displacement adjustment groove and the adjustment block, so that the positioning support mechanism can conveniently adjust the positioning orientation through the above cooperation, so as to position the bell shells of different diameters, and then a finger pressure groove and a finger pressure frame are set between the adjustment block, the storage groove and the card block, so that the card block and the card slot are limited and matched, which is easy to control from the outside, and then a polygonal pin matched with the inner polygonal sleeve is set at the bottom of the cylindrical positioning support rod, so that the polygonal pin and the threaded groove on the surface of the inner polygonal sleeve are easier to calibrate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1It is a schematic diagram of the external structure of the utility model;

[0014] Figure 2 It is a cross-sectional view of the bell-shaped housing structure of the utility model;

[0015] Figure 3 It is a top view of the mounting seat structure of the utility model;

[0016] Figure 4 It is a schematic diagram of the positioning support mechanism structure of the utility model;

[0017] Figure 5 It is a schematic diagram of the internal structure of the displacement adjustment slot of the utility model;

[0018] Figure 6 For this utility model Figure 5 A partial enlarged view of point A in the middle.

[0019] In the figure: 1. mounting seat; 2. machine tool ejector pin; 3. bell-shaped housing; 4. displacement adjustment slot; 5. adjustment block; 6. positioning support mechanism; 61. inner polygonal sleeve; 62. cylindrical positioning support rod; 63. polygonal latch; 64. threaded groove; 65. fastening bolt; 7. storage slot; 8. clamping block; 9. reset spring; 10. clamping slot; 11. finger pressure slot; 12. finger pressure frame; 13. limit slide slot; 14. limit slide block; 15. mounting ring with hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] See also Figure 1-6 The utility model provides a technical solution: a positioning jig for bell-shaped shell machining, comprising a mounting seat 1, a machine tool ejector 2 and a bell-shaped shell 3, the machine tool ejector 2 is arranged on the top of the mounting seat 1, the bell-shaped shell 3 is arranged between the mounting seat 1 and the machine tool ejector 2, and the bottom of the mounting seat 1 is fixedly connected with a mounting ring 15 with a hole.

[0022] A plurality of displacement adjustment grooves 4 are equidistantly arranged around the top of the mounting seat 1, and an adjustment block 5 is slidably connected inside the displacement adjustment groove 4. A positioning support mechanism 6 used in conjunction with the bell housing 3 is arranged on the top of the adjustment block 5. The positioning support mechanism 6 includes an inner polygonal sleeve 61, which is fixedly arranged on the top of the adjustment block 5. A cylindrical positioning support rod 62 is arranged on the top of the inner polygonal sleeve 61. A polygonal plug 63 slidably matched with the inner polygonal sleeve 61 is fixedly connected to the bottom of the cylindrical positioning support rod 62. The surfaces of the polygonal plug 63 and the inner polygonal sleeve 61 are provided with There is a threaded groove 64, and two adjacent threaded grooves 64 are threadedly connected by a fastening bolt 65. A receiving groove 7 is provided on the surface of the adjusting block 5, and two receiving grooves 7 are symmetrically arranged. A clamping block 8 is slidably connected inside the receiving groove 7, and a reset spring 9 is fixedly connected between the adjacent clamping block 8 and the receiving groove 7. The inner wall of the displacement adjusting groove 4 is provided with a plurality of clamping grooves 10 used in conjunction with the clamping block 8. A limiting slide groove 13 is provided at the bottom of the inner cavity of the displacement adjusting groove 4. A limiting slider 14 is slidably connected inside the limiting slide groove 13, and the top of the limiting slider 14 is fixedly connected to the bottom of the adjacent adjusting block 5.

[0023] In order to facilitate external control of the matching state of the card block 8 and the card slot 10, a finger pressure groove 11 connected to the storage groove 7 is opened on the surface of the adjustment block 5, and a finger pressure frame 12 slidably matched with the finger pressure groove 11 is fixedly connected to the surface of the card block 8.

[0024] When in use, the semi-cylindrical hole opened in the inner cavity of the bell-shaped housing 3 is adapted to the cylindrical positioning support rod 62, so that the bell-shaped housing 3 is seated and positioned on the top of several cylindrical positioning support rods 62, and then the machine tool driving mechanism is used to control the machine tool ejector 2 to descend and center and press the top of the bell-shaped housing 3;

[0025] When it is necessary to adjust the position of the cylindrical positioning support rod 62 so that several cylindrical positioning support rods 62 can adapt to the positioning of bell-shaped shells 3 with different diameters, the operator first presses the finger pressure frame 12 to cause the finger pressure frame 12 to drive the card block 8 to retract into the storage groove 7. The card block 8 retracts and disengages from the limit fit with the card slot 10 in the displacement adjustment groove 4. Then, the adjustment block 5 is pushed in the displacement adjustment groove 4 to cause the adjustment block 5 to carry the positioning support mechanism 6 for position adjustment. After the position adjustment is appropriate, the finger pressure frame 12 is released to cause the card block 8 that has lost the pressure of the finger pressure frame 12 to be able to be reset by the elasticity of the reset spring 9, so that the card block 8 is limited to the current position card slot 10. The subsequent positions of the adjustment block 5 and the positioning support mechanism 6 can be operated as described above.

Claims

1. A positioning jig for bell-shaped shell machining, comprising a mounting seat (1), a machine tool ejector (2) and a bell-shaped shell (3), wherein the machine tool ejector (2) is arranged on the top of the mounting seat (1), and the bell-shaped shell (3) is arranged between the mounting seat (1) and the machine tool ejector (2), characterized in that: A plurality of displacement adjustment grooves (4) are equidistantly arranged around the top of the mounting seat (1); an adjustment block (5) is slidably connected inside the displacement adjustment groove (4); a positioning support mechanism (6) matched with the bell housing (3) is arranged on the top of the adjustment block (5); a receiving groove (7) is arranged on the surface of the adjustment block (5); two receiving grooves (7) are symmetrically arranged; a clamping block (8) is slidably connected inside the receiving groove (7); a reset spring (9) is fixedly connected between adjacent clamping blocks (8) and the receiving groove (7); and a plurality of clamping grooves (10) matched with the clamping blocks (8) are arranged on the inner wall of the displacement adjustment groove (4).

2. A positioning jig for bell-shaped shell machining according to claim 1, characterized in that: The surface of the adjustment block (5) is provided with a finger pressure groove (11) which is connected to the storage groove (7), and the surface of the clamping block (8) is fixedly connected with a finger pressure frame (12) which is slidably matched with the finger pressure groove (11).

3. A positioning jig for bell-shaped shell machining according to claim 1, characterized in that: The positioning support mechanism (6) comprises an inner polygonal sleeve (61), the inner polygonal sleeve (61) is fixedly arranged on the top of the adjustment block (5), a cylindrical positioning support rod (62) is arranged on the top of the inner polygonal sleeve (61), a polygonal plug (63) slidably matched with the inner polygonal sleeve (61) is fixedly connected to the bottom of the cylindrical positioning support rod (62), and the surfaces of the polygonal plug (63) and the inner polygonal sleeve (61) are both provided with thread grooves (64), and two adjacent thread grooves (64) are threadedly connected by fastening bolts (65).

4. A positioning jig for bell-shaped shell machining according to claim 1, characterized in that: A limiting slide groove (13) is provided at the bottom of the inner cavity of the displacement adjustment groove (4), the limiting slide groove (13) is internally slidably connected to a limiting slider (14), and the top of the limiting slider (14) is fixedly connected to the bottom of an adjacent adjustment block (5).

5. The positioning jig for bell-shaped shell machining according to claim 1, characterized in that: A mounting ring (15) with holes is fixedly connected to the bottom of the mounting seat (1).

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