Reducer circular end face drilling positioning fixture

Abstract

The present invention relates to the field of mechanical processing technology, and specifically to a circular end face drilling positioning fixture for a reducer, comprising a reducer housing, a fixture base, a fixing unit, a positioning unit and an adjusting unit. The fixture base, the fixing unit, the positioning unit and the adjusting unit are provided, and the components in the fixing unit are adjusted by the adjusting unit to complete the clamping of the reducer housing by the fixture base, and then some components in the positioning unit are adjusted by the adjusting unit, so that the positioning components in the positioning unit can be timely adjusted according to the actual shape of the reducer housing and the actual drilling position under the drive of the adjusting unit, and the drilling positioning on the same distribution circle can be achieved at one time through the adjusting unit, thereby improving the actual application range and drilling accuracy of the circular end face drilling positioning fixture for the reducer, and the invention has a simple structure, low cost and high drilling positioning efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical processing, and in particular to a circular end face drilling positioning fixture for a reducer. Background Art

[0002] At present, for the drilling positioning of the circular end face of the reducer, a drilling template matching the inner hole is generally used or it is directly processed in a CNC machining center, and then the hole is drilled after marking positioning.

[0003] However, due to the variety of circular end surface specifications of reducer, the positioning of the drilling jig stop and the fixed specifications, a large number of drilling jig fixtures are required. While the investment and maintenance costs are high, the difficulty of fixture management also increases accordingly, resulting in waste. The CNC machining method is limited by the equipment stroke and tooling correction, and the marking positioning is limited by the weight of the workpiece itself. If the workpiece itself is heavy, it is necessary to use tools such as a crane to complete the workpiece flipping, and the machining accuracy deviation is large.

[0004] In view of this, in order to improve the above technical problems, the present invention provides a circular end face drilling positioning fixture for a reducer, which improves the above technical problems. Summary of the invention

[0005] The technical problem to be solved by the present invention is as follows: Since the circular end surface specifications of the reducer are various, the drilling jig stop is positioned, and the specifications are fixed, a large number of drilling jig fixtures are required. While the investment cost and maintenance cost are high, the difficulty of fixture management is also increased accordingly, resulting in waste. The CNC machining method is limited by the equipment stroke and tooling correction, and the marking positioning is limited by the weight of the workpiece itself. If the workpiece itself is heavy, it is necessary to use tools such as a crane to complete the workpiece flipping, and the machining accuracy deviation is large.

[0006] The circular end face drilling positioning fixture of the reducer provided by the present invention comprises a reducer housing, and the circular end face drilling positioning fixture of the reducer further comprises: a fixture base, a fixing unit, a positioning unit and an adjusting unit;

[0007] The clamp base is installed above the reducer housing, and the clamp base is a hollow structure;

[0008] The fixing unit is installed on the clamp base, and is used to realize the clamp base clamping the reducer housing;

[0009] The positioning unit is installed on the fixture base, and the positioning unit is used to accurately locate the distribution circle position of the end surface hole of the reducer housing;

[0010] The adjusting unit is located in the cavity of the clamp female seat, and the adjusting unit is used to provide power for the positioning unit and the fixing unit.

[0011] Compared with the prior art, for the drilling and positioning of the circular end face of the reducer, a drilling jig matching the inner hole is generally used or directly processed in a CNC machining center, and then the hole is drilled after positioning by marking. However, due to the various specifications of the circular end face holes of the reducer, the positioning of the drilling jig stop and the fixed specifications, a large number of drilling jig fixtures are required, which not only increases the investment cost and maintenance cost, but also increases the difficulty of fixture management, resulting in waste. The CNC machining method is limited by the equipment stroke and tooling correction, and the marking positioning is limited by the weight of the workpiece itself. If it is heavy, it is necessary to use tools such as a crane to complete the flipping of the workpiece, and the processing accuracy deviation is large;

[0012] The present invention sets a clamp base, a fixing unit, a positioning unit and an adjusting unit, and adjusts the components in the fixing unit through the adjusting unit to complete the clamping of the reducer housing by the clamp base, and then adjusts some components in the positioning unit through the adjusting unit, so that the positioning components in the positioning unit can be timely adjusted according to the actual shape of the reducer housing and the actual drilling position under the drive of the adjusting unit, and the drilling positioning on the same distribution circle can be achieved at one time through the adjusting unit, thereby improving the actual application range and drilling accuracy of the circular end face drilling positioning fixture of the reducer, and the structure is simple, the cost is low, and the drilling positioning efficiency is high.

[0013] Preferably, the fixing unit comprises: a No. 1 slide groove, an end face limiting slider, an end face limiting cylindrical pin, a No. 1 screw, a No. 2 slide groove, an inner hole positioning slider, an inner hole limiting cylindrical pin and a No. 2 screw;

[0014] The clamp base includes a circular part and a rectangular part, the No. 1 slide groove is opened on the rectangular part of the clamp base, two No. 1 slide grooves are provided and are symmetrically arranged with each other, and the edge of the No. 1 slide groove is provided with a scale;

[0015] The end face limit slider is located in the No. 1 slide groove and matches with the No. 1 slide groove, and the upper surface of the end face limit slider is in a "T" shape;

[0016] The end face limiting cylindrical pin passes through the end face limiting slider, and the end face limiting cylindrical pin is threadedly connected to the end face limiting slider;

[0017] The No. 1 screw is threadedly connected to the end surface limit slider through the threaded hole;

[0018] The second slide grooves are provided with three, and are evenly arranged on the circular part of the clamp base in a circumferential shape, and the edges of the second slide grooves are provided with scales;

[0019] The inner hole positioning slide block is located in the No. 2 slide groove and matches with the No. 2 slide groove, and the upper surface of the inner hole positioning slide block is in a "T" shape;

[0020] The inner hole limiting cylindrical pin passes through the inner hole positioning slider, and the inner hole limiting cylindrical pin is threadedly connected to the inner hole positioning slider;

[0021] The No. 2 screw is threadedly connected with the inner hole positioning slide block through the threaded hole.

[0022] Preferably, the positioning unit comprises: a No. 3 slide slot, a drilling positioning slide block, a positioning hole and a No. 3 screw;

[0023] There are six No. 3 slide grooves, which are evenly arranged on the circular part of the clamp base in a circumferential shape. The edge of the No. 3 slide groove is provided with a scale, and the No. 3 slide groove is arranged at intervals from the No. 2 slide groove;

[0024] The drilling positioning slide block is located in the No. 3 slide groove and cooperates with the No. 3 slide groove, and the upper surface of the drilling positioning slide block is in a "T" shape;

[0025] The positioning holes are opened on the drilling positioning slide block, and two positioning holes are provided;

[0026] The No. 3 screw is threadedly connected to the drilling positioning slide block through the threaded hole.

[0027] Preferably, the adjustment unit comprises: a rotating shaft, a No. 1 circular ring, a No. 1 arc-shaped slide groove, a No. 1 connecting rod, a No. 1 L-shaped pull rod, a No. 2 circular ring, a No. 2 arc-shaped slide groove, a No. 2 connecting rod, a No. 2 L-shaped pull rod, a connecting rod, a mounting ring and a clamping groove;

[0028] The rotating shaft passes through the center of the clamp base and is rotatably connected to the clamp base;

[0029] The first circular ring is sleeved on the rotating shaft, a gap is left between the first circular ring and the rotating shaft, and the first circular ring is rotatably connected to the clamp female seat through a bracket;

[0030] The first arc-shaped chute is provided with three and is evenly arranged on the first ring in a circular shape;

[0031] The No. 1 connecting rod is located in the No. 1 arc-shaped slide groove and matches with the No. 1 arc-shaped slide groove;

[0032] One end of the No. 1 L-shaped pull rod is rotatably connected to the No. 1 connecting rod, and the other end is rotatably connected to the inner hole positioning slider through the mounting block;

[0033] The second circular ring is located below the first circular ring, and the second circular ring is sleeved on the rotating shaft, with a gap between the second circular ring and the rotating shaft, and the second circular ring is rotatably connected to the clamp female seat through a bracket;

[0034] The second arc-shaped chute is provided with six and is evenly arranged on the first ring in a circular shape;

[0035] The second connecting rod is located in the second arc-shaped slide groove and matches with the second arc-shaped slide groove;

[0036] One end of the second L-shaped pull rod is rotatably connected to the second connecting rod, and the other end is rotatably connected to the drilling positioning slider through the mounting block;

[0037] The connecting rods are provided in multiple numbers and are evenly arranged around the rotating shaft;

[0038] The mounting ring is arranged between the connecting rod and the rotating shaft, the inner surface of the mounting ring is slidably connected with the rotating shaft, and one end of the connecting rod is hinged with the mounting ring;

[0039] The inner surfaces of the No. 1 and No. 2 circular rings are both provided with clamping grooves, and the clamping grooves are matched with the other end of the connecting rod.

[0040] Preferably, a spring is fixedly connected between the connecting rod and the rotating shaft.

[0041] The staff can adjust the rotation angle of the rotating shaft to adjust the moving distance of the three inner hole positioning sliders and the six drilling positioning sliders respectively and simultaneously, thereby improving the movement efficiency of the inner hole positioning slider and the drilling positioning slider. At the same time, they can also adjust the positions of the inner hole positioning slider and the drilling positioning slider in time according to the actual shape of the reducer case and the actual drilling position, thereby improving the actual application range and drilling accuracy of the circular end face drilling positioning fixture of the reducer. It has a simple structure, low cost and high drilling positioning efficiency.

[0042] Preferably, the connection point between the second L-shaped pull rod and the drilling positioning slider is located on the side of the drilling positioning slider close to the rotating shaft.

[0043] By setting the connection point between the No. 2 L-shaped pull rod and the drilling positioning slider on the side of the inner hole positioning slider close to the rotating axis, it can be avoided that after the No. 2 L-shaped pull rod pushes the drilling positioning slider to move, the existence of the No. 2 L-shaped pull rod will not affect the special equipment from passing through the positioning hole, thereby affecting the normal drilling work.

[0044] Preferably, a turntable is fixedly connected to the upper end of the rotating shaft.

[0045] It is convenient for staff to rotate the rotating shaft.

[0046] Preferably, a plurality of circular grooves are provided below the turntable and on the clamp base, and an insertion rod passes through the turntable, and the insertion rod cooperates with the circular grooves.

[0047] When the rotating shaft rotates a certain angle, the inner hole positioning slider and the drilling positioning slider move to the required position, and then the insertion rod is inserted into the turntable. The lower end of the insertion rod enters the corresponding circular groove directly below it to limit the turntable and ensure the stable operation of the rotating shaft.

[0048] The beneficial effects of the present invention are as follows:

[0049] The circular end face drilling positioning fixture for a reducer provided by the present invention is provided with a fixture base, a fixing unit, a positioning unit and an adjusting unit. The adjusting unit is used to adjust the components in the fixing unit to complete the clamping of the reducer housing by the fixture base. Then, the adjusting unit is used to adjust some components in the positioning unit, so that the positioning components in the positioning unit can be timely adjusted according to the actual shape of the reducer housing and the actual drilling position under the drive of the adjusting unit, and the drilling positioning on the same distribution circle can be achieved at one time through the adjusting unit, thereby improving the actual application range and drilling accuracy of the circular end face drilling positioning fixture for the reducer. The structure is simple, the cost is low, and the drilling positioning efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] In order to make the contents of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments in conjunction with the accompanying drawings.

[0051] Figure 1 It is a schematic diagram of the top view of the structure of the present invention;

[0052] Figure 2 It is a schematic diagram of the structure of the clamp female seat of the present invention;

[0053] Figure 3 It is a schematic diagram of the structure of the regulating unit of the present invention;

[0054] Figure 4 This is a schematic diagram of the structure of the first ring of the present invention;

[0055] Figure 5 This is a schematic diagram of the structure of the second ring of the present invention;

[0056] Figure 6 It is a schematic diagram of a partial cross-sectional structure of the rotating shaft of the present invention;

[0057] Figure 7 This is a schematic diagram of the locations where holes need to be drilled in the box of the present invention;

[0058] Figure 8 It is a schematic diagram of the lower surface structure of the clamp female seat of the present invention;

[0059] In the figure: box body 1, fixture base 2, fixing unit 3, No. 1 slide groove 31, end face limiting slider 32, end face limiting cylindrical pin 33, No. 1 screw 34, No. 2 slide groove 35, inner hole positioning slider 36, inner hole limiting cylindrical pin 37, No. 2 screw 38, positioning unit 4, No. 3 slide groove 41, drilling positioning slider 42, positioning hole 43, No. 3 screw 44, adjustment unit 5, rotating shaft 51, No. 1 circular ring 52, No. 1 arc-shaped slide groove 53, No. 1 connecting rod 54, No. 1 L-shaped pull rod 55, No. 2 circular ring 56, No. 2 arc-shaped slide groove 57, No. 2 connecting rod 58, No. 2 L-shaped pull rod 59, connecting rod 510, mounting ring 511, slot 512, spring 6, turntable 7, circular groove 8, plug rod 9. DETAILED DESCRIPTION

[0060] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0061] like Figure 1 , Figure 2 and Figure 7 As shown, the circular end face drilling positioning fixture of the reducer provided by the present invention comprises a reducer housing 1, and the circular end face drilling positioning fixture of the reducer further comprises: a fixture base 2, a fixing unit 3, a positioning unit 4 and an adjusting unit 5;

[0062] The clamp base 2 is installed above the reducer housing 1, and the clamp base 2 is a hollow structure;

[0063] The fixing unit 3 is installed on the clamp base 2, and is used to clamp the reducer housing 1 by the clamp base 2;

[0064] The positioning unit 4 is installed on the fixture base 2, and the positioning unit 4 is used to accurately locate the distribution circle position of the end surface hole of the reducer housing 1;

[0065] The adjusting unit 5 is located in the cavity of the clamp base 2, and the adjusting unit 5 is used to provide power for the positioning unit 4 and the fixing unit 3;

[0066] By adopting the above technical solution, when positioning the circular end face drilling of the reducer, the staff first places the clamp base 2 on the circular end face of the reducer housing 1, and then adjusts the components in the fixing unit 3 through the adjusting unit 5 to complete the clamping of the reducer housing 1 by the clamp base 2, and then adjusts the components in the positioning unit 4 through the adjusting unit 5, so that the positioning components in the positioning unit 4 can be timely adjusted according to the actual shape and actual drilling position of the reducer housing 1 under the drive of the adjusting unit 5, and the drilling positioning on the same distribution circle can be achieved at one time through the adjusting unit 5;

[0067] Compared with the prior art, for the drilling and positioning of the circular end face of the reducer, a drilling jig matching the inner hole is generally used or directly processed in a CNC machining center, and then the hole is drilled after positioning by marking. However, due to the various specifications of the circular end face holes of the reducer, the positioning of the drilling jig stop and the fixed specifications, a large number of drilling jig fixtures are required, which not only increases the investment cost and maintenance cost, but also increases the difficulty of fixture management, resulting in waste. The CNC machining method is limited by the equipment stroke and tooling correction, and the marking positioning is limited by the weight of the workpiece itself. If it is heavy, it is necessary to use tools such as a crane to complete the flipping of the workpiece, and the processing accuracy deviation is large;

[0068] The present invention sets a clamp base 2, a fixing unit 3, a positioning unit 4 and an adjusting unit 5, and adjusts the components in the fixing unit 3 through the adjusting unit 5 to complete the clamping of the reducer housing 1 by the clamp base 2, and then adjusts some components in the positioning unit 4 through the adjusting unit 5, so that the positioning components in the positioning unit 4 can be timely adjusted according to the actual shape and actual drilling position of the reducer housing 1 under the drive of the adjusting unit 5, and the drilling positioning on the same distribution circle can be achieved at one time through the adjusting unit 5, thereby improving the actual application range and drilling accuracy of the circular end face drilling positioning fixture of the reducer, and the structure is simple, the cost is low, and the drilling positioning efficiency is high.

[0069] like Figures 1 to 8 As shown, as a specific embodiment of the present invention, the fixing unit 3 includes: a No. 1 slide 31, an end surface limiting slider 32, an end surface limiting cylindrical pin 33, a No. 1 screw 34, a No. 2 slide 35, an inner hole positioning slider 36, an inner hole limiting cylindrical pin 37 and a No. 2 screw 38;

[0070] The clamp base 2 includes a circular part and a rectangular part. The No. 1 slide groove 31 is opened on the rectangular part of the clamp base 2. Two No. 1 slide grooves 31 are provided and are symmetrically arranged with each other. The edge of the No. 1 slide groove 31 is provided with a scale.

[0071] The end surface limiting slider 32 is located in the No. 1 slide groove 31 and matches with the No. 1 slide groove 31, and the upper surface of the end surface limiting slider 32 is in a "T" shape;

[0072] The end surface limiting cylindrical pin 33 passes through the end surface limiting slider 32, and the end surface limiting cylindrical pin 33 is threadedly connected to the end surface limiting slider 32;

[0073] The No. 1 screw 34 is threadedly connected to the end surface limiting slider 32 through the threaded hole;

[0074] The second slide grooves 35 are provided with three and are evenly arranged on the circular part of the clamp base 2 in a circumferential shape. The edges of the second slide grooves 35 are provided with scales.

[0075] The inner hole positioning slider 36 is located in the No. 2 slide groove 35 and matches with the No. 2 slide groove 35 , and the upper surface of the inner hole positioning slider 36 is in a “T” shape;

[0076] The inner hole limiting cylindrical pin 37 passes through the inner hole positioning slider 36, and the inner hole limiting cylindrical pin 37 is threadedly connected with the inner hole positioning slider 36;

[0077] The No. 2 screw 38 is threadedly connected to the inner hole positioning slider 36 through the threaded hole;

[0078] The positioning unit 4 includes: a No. 3 slide slot 41, a drilling positioning slide block 42, a positioning hole 4343 and a No. 3 screw 4444;

[0079] The third slide grooves 41 are provided with six, and are evenly opened on the circular part of the clamp base 2 in a circumferential shape. The edge of the third slide groove 41 is provided with a scale, and the third slide groove 41 is arranged at intervals from the second slide groove 35;

[0080] The drilling positioning slide block 42 is located in the No. 3 slide groove 41 and cooperates with the No. 3 slide groove 41. The upper surface of the drilling positioning slide block 42 is in a "T" shape.

[0081] The positioning holes 43 are formed on the drilling positioning slide block 42, and two positioning holes 43 are provided;

[0082] The No. 3 screw 44 is threadedly connected to the drilling positioning slide block 42 through the threaded hole;

[0083] The adjusting unit 5 includes: a rotating shaft 51, a first circular ring 52, a first arc-shaped slide groove 53, a first connecting rod 54, a first L-shaped pull rod 55, a second circular ring 56, a second arc-shaped slide groove 57, a second connecting rod 58, a second L-shaped pull rod 59, a connecting rod 510, a mounting ring 511 and a clamping groove 512;

[0084] The rotating shaft 51 passes through the center of the clamp base 2 and is rotatably connected to the clamp base 2;

[0085] The first circular ring 52 is sleeved on the rotating shaft 51, and a gap is left between the first circular ring 52 and the rotating shaft 51. The first circular ring 52 is rotatably connected to the clamp base 2 through a bracket;

[0086] The first arc-shaped sliding grooves 53 are provided with three and are evenly arranged on the first ring 52 in a circular shape;

[0087] The first connecting rod 54 is located in the first arc-shaped slide groove 53 and matches with the first arc-shaped slide groove 53;

[0088] One end of the No. 1 L-shaped pull rod 55 is rotatably connected to the No. 1 connecting rod 54, and the other end is rotatably connected to the inner hole positioning slider 36 through the mounting block;

[0089] The second circular ring 56 is located below the first circular ring 52, and the second circular ring 56 is sleeved on the rotating shaft 51, with a gap between the second circular ring 56 and the rotating shaft 51, and the second circular ring 56 is rotatably connected to the clamp base 2 through a bracket;

[0090] The second arc-shaped sliding grooves 57 are provided with six and are evenly arranged on the first ring 52 in a circular shape;

[0091] The second connecting rod 58 is located in the second arc-shaped slide groove 57 and matches with the second arc-shaped slide groove 57;

[0092] One end of the second L-shaped pull rod 59 is rotatably connected to the second connecting rod 58, and the other end is rotatably connected to the drilling positioning slide block 42 through the mounting block;

[0093] The connecting rods 510 are provided in multiple numbers and are evenly arranged around the rotating shaft 51;

[0094] The mounting ring 511 is disposed between the connecting rod 510 and the rotating shaft 51 , the inner surface of the mounting ring 511 is slidably connected to the rotating shaft 51 , and one end of the connecting rod 510 is hinged to the mounting ring 511 ;

[0095] The inner surfaces of the first and second rings 52 and 56 are provided with a slot 512, and the slot 512 matches with the other end of the connecting rod 510;

[0096] A spring 6 is fixedly connected between the connecting rod 510 and the rotating shaft 51;

[0097] By adopting the above technical solution, when positioning the circular end face drilling of the reducer, the staff first places the clamp base 2 on the circular end face of the reducer housing 1, and then manually slides the two end face limit sliders 32 by referring to the scale line at the edge of the No. 1 slide groove 31, aligning them with the same horizontal scale position, and when sliding the two end face limit sliders 32, the two end face limit cylindrical pins 33 are close to the bottom plane of the housing 1, and then the No. 1 screw 34 is tightened to fix the end face limit slider 32 in the No. 1 slide groove 31. At this time, the clamp base 2 and the reducer housing 1 are tightly fitted;

[0098] Then, the staff member holds the connecting rod 510, the connecting rod 510 contracts inward, and then applies pressure to the connecting rod 510. Driven by the mounting ring 511, the connecting rod 510 moves downward until its lower end corresponds to the clamping groove 512 of the first ring 52. The staff member stops holding the connecting rod 510, and the connecting rod 510 is in a relaxed state. The spring 6 recovers its elastic deformation and drives the connecting rod 510 to open to both sides. After the connecting rod 510 opens, its lower end enters the clamping groove 512 of the first ring 52, completing the connection between the rotating shaft 51, the connecting rod 510 and the first ring 52.

[0099] Then the staff rotates the rotating shaft 51 forward, and the rotating shaft 51 forward drives the No. 1 ring 52 to rotate. When the No. 1 ring 52 rotates, the No. 1 arc-shaped slide 53 will rotate with the rotation of the No. 1 ring 52, and since the No. 1 arc-shaped slide 53 is slidably connected to the No. 1 connecting rod 54, the No. 1 connecting rod 54 is rotatably connected to the No. 1 L-shaped pull rod 55, and the No. 1 L-shaped pull rod 55 is rotatably connected to the inner hole positioning slider 36, and the inner hole positioning slider 36 is horizontally slidably connected to the No. 2 slide 35, so When the No. 1 ring 52 rotates, the No. 1 connecting rod 54 is restricted by the No. 1 L-shaped pull rod 55 and the inner hole positioning slider 36, and gradually pushes the inner hole positioning slider 36 to move outward in the No. 2 slide groove 35, until the inner hole positioning slider 36 drives the inner hole limiting cylindrical pin 37 to be close to the inner hole wall surface when moving, and tightens the No. 2 screw 38 to fix the inner hole positioning slider 36 in the No. 2 slide groove 35. At this time, the clamp base 2 cooperates with the end face limiting slider 32 to clamp the reducer housing 1;

[0100] Then, the staff member holds the connecting rod 510 again, and the connecting rod 510 contracts inward, and then continues to apply pressure to the connecting rod 510. Driven by the mounting ring 511, the connecting rod 510 moves downward until its lower end corresponds to the slot 512 of the second ring 56. The staff member stops holding the connecting rod 510, and the connecting rod 510 is in a relaxed state. The spring 6 recovers its elastic deformation and drives the connecting rod 510 to open to both sides. After the connecting rod 510 opens, its lower end enters the slot 512 of the second ring 56, completing the connection between the rotating shaft 51, the connecting rod 510 and the second ring 56.

[0101] Then the staff rotates the rotating shaft 51 forward, and the rotating shaft 51 forward drives the second ring 56 to rotate. When the second ring 56 rotates, the second arc-shaped slide 57 will rotate with the rotation of the second ring 56, and because the second arc-shaped slide 57 is slidably connected with the second connecting rod 58, the second connecting rod 58 is rotatably connected with the second L-shaped pull rod 59, and the second L-shaped pull rod 59 is rotatably connected with the drilling positioning slide block 42, and the drilling positioning slide block 42 is horizontally slidably connected with the third slide 41, so when the second ring 56 rotates, due to the second connecting rod 58 8 is restricted by the No. 2 L-shaped pull rod 59 and the drilling positioning slider 42, and gradually pushes the drilling positioning slider 42 to move outward until the drilling positioning slider 42 moves to the drilling distribution circle required by the drawing in the No. 3 slide groove 41 (here the position of the drilling positioning slider 42 is observed according to the scale line at the edge of the No. 3 slide groove 41), tightens the No. 3 screw 44, fixes the drilling positioning slider 42 in the No. 3 slide groove 41, and then the staff uses special equipment to drill holes in the box body 1 through the positioning holes 43 on the drilling positioning slider 42;

[0102] If the moving distance of the inner hole positioning slider 36 and the drilling positioning slider 42 is greater than the actual requirement, the staff can reversely rotate the rotating shaft 51 to adjust the moving distance of the inner hole positioning slider 36 and the drilling positioning slider 42;

[0103] Thus, the staff can adjust the movement distance of the three inner hole positioning sliders 36 and the six drilling positioning sliders 42 respectively and simultaneously by adjusting the rotation angle of the rotating shaft 51, thereby improving the movement efficiency of the inner hole positioning sliders 36 and the drilling positioning sliders 42. At the same time, they can also adjust the positions of the inner hole positioning sliders 36 and the drilling positioning sliders 42 in time according to the actual shape of the reducer housing 1 and the actual drilling position, thereby improving the actual application range and drilling accuracy of the circular end face drilling positioning fixture of the reducer, and the structure is simple, the cost is low, and the drilling positioning efficiency is high.

[0104] like Figure 5 As shown, as a specific embodiment of the present invention, the connection point between the second L-shaped pull rod 59 and the drilling positioning slider 42 is located on the side of the drilling positioning slider 42 close to the rotating shaft 51;

[0105] By adopting the above technical solution, by setting the connection point between the No. 2 L-shaped pull rod 59 and the drilling positioning slider 42 on the side of the inner hole positioning slider 36 close to the rotating shaft 51, it can be avoided that after the No. 2 L-shaped pull rod 59 pushes the drilling positioning slider 42 to move, the existence of the No. 2 L-shaped pull rod 59 will affect the special equipment from passing through the positioning hole 43, thereby affecting the normal drilling work.

[0106] like Figure 2 As shown, as a specific embodiment of the present invention, a rotating disk 7 is fixedly connected to the upper end of the rotating shaft 51;

[0107] By adopting the above technical solution, it is convenient for the staff to rotate the rotating shaft 51.

[0108] like Figure 2 As shown, as a specific embodiment of the present invention, a plurality of circular grooves 8 are provided below the rotating disk 7 and on the clamp base 2, and an insertion rod 9 is passed through the rotating disk 7, and the insertion rod 9 is matched with the circular groove 8;

[0109] By adopting the above technical solution, when the rotating shaft rotates a certain angle, the inner hole positioning slider 36 and the drilling positioning slider 42 are moved to the required position, and the insertion rod 9 is inserted into the turntable 7, and the lower end of the insertion rod 9 enters the corresponding circular groove 8 directly below it, thereby limiting the turntable 7 and ensuring the stable operation of the rotating shaft 51.

[0110] Working principle:

[0111] When positioning the circular end face drilling of the reducer, the staff first places the clamp base 2 on the circular end face of the reducer housing 1, and then slides the two end face limit sliders 32 by referring to the scale line at the edge of the No. 1 slide groove 31, aligning them with the same horizontal scale position, and slides the two end face limit sliders 32 until the two end face limit cylindrical pins 33 are close to the bottom plane of the housing 1, and then tightens the No. 1 screw 34 to fix the end face limit slider 32 in the No. 1 slide groove 31. At this time, the clamp base 2 and the reducer housing 1 are tightly fitted;

[0112] Then, the staff member holds the connecting rod 510, the connecting rod 510 contracts inward, and then applies pressure to the connecting rod 510. Driven by the mounting ring 511, the connecting rod 510 moves downward until its lower end corresponds to the clamping groove 512 of the first ring 52. The staff member stops holding the connecting rod 510, and the connecting rod 510 is in a relaxed state. The spring 6 recovers its elastic deformation and drives the connecting rod 510 to open to both sides. After the connecting rod 510 opens, its lower end enters the clamping groove 512 of the first ring 52, completing the connection between the rotating shaft 51, the connecting rod 510 and the first ring 52.

[0113] Then the staff rotates the rotating shaft 51 forward, and the rotating shaft 51 forward drives the No. 1 ring 52 to rotate. When the No. 1 ring 52 rotates, the No. 1 arc-shaped slide 53 will rotate with the rotation of the No. 1 ring 52, and since the No. 1 arc-shaped slide 53 is slidably connected to the No. 1 connecting rod 54, the No. 1 connecting rod 54 is rotatably connected to the No. 1 L-shaped pull rod 55, and the No. 1 L-shaped pull rod 55 is rotatably connected to the inner hole positioning slider 36, and the inner hole positioning slider 36 is horizontally slidably connected to the No. 2 slide 35, so When the No. 1 ring 52 rotates, the No. 1 connecting rod 54 is restricted by the No. 1 L-shaped pull rod 55 and the inner hole positioning slider 36, and gradually pushes the inner hole positioning slider 36 to move outward in the No. 2 slide groove 35, until the inner hole positioning slider 36 drives the inner hole limiting cylindrical pin 37 to be close to the inner hole wall surface when moving, and tightens the No. 2 screw 38 to fix the inner hole positioning slider 36 in the No. 2 slide groove 35. At this time, the clamp base 2 cooperates with the end face limiting slider 32 to clamp the reducer housing 1;

[0114] Then, the staff member holds the connecting rod 510 again, and the connecting rod 510 contracts inward, and then continues to apply pressure to the connecting rod 510. Driven by the mounting ring 511, the connecting rod 510 moves downward until its lower end corresponds to the slot 512 of the second ring 56. The staff member stops holding the connecting rod 510, and the connecting rod 510 is in a relaxed state. The spring 6 recovers its elastic deformation and drives the connecting rod 510 to open to both sides. After the connecting rod 510 opens, its lower end enters the slot 512 of the second ring 56, completing the connection between the rotating shaft 51, the connecting rod 510 and the second ring 56.

[0115] Then the staff rotates the rotating shaft 51 forward, and the rotating shaft 51 forward drives the second ring 56 to rotate. When the second ring 56 rotates, the second arc-shaped slide 57 will rotate with the rotation of the second ring 56, and because the second arc-shaped slide 57 is slidably connected with the second connecting rod 58, the second connecting rod 58 is rotatably connected with the second L-shaped pull rod 59, and the second L-shaped pull rod 59 is rotatably connected with the drilling positioning slide block 42, and the drilling positioning slide block 42 is horizontally slidably connected with the third slide 41, so when the second ring 56 rotates, due to the second connecting rod 58 8 is restricted by the No. 2 L-shaped pull rod 59 and the drilling positioning slider 42, and gradually pushes the drilling positioning slider 42 to move outward until the drilling positioning slider 42 moves to the drilling distribution circle required by the drawing in the No. 3 slide groove 41 (here the position of the drilling positioning slider 42 is observed according to the scale line at the edge of the No. 3 slide groove 41), tightens the No. 3 screw 44, fixes the drilling positioning slider 42 in the No. 3 slide groove 41, and then the staff uses special equipment to drill holes in the box body 1 through the positioning holes 43 on the drilling positioning slider 42;

[0116] If the moving distance of the inner hole positioning slider 36 and the drilling hole positioning slider 42 is greater than the actual requirement, the staff can reversely rotate the rotating shaft 51 to adjust the moving distance of the inner hole positioning slider 36 and the drilling hole positioning slider 42.

[0117] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A circular end face drilling and positioning fixture for a reducer, comprising a reducer housing (1), characterized in that: The reducer circular end face drilling positioning fixture further comprises: a fixture base (2), a fixing unit (3), a positioning unit (4) and an adjustment unit (5); The clamp base (2) is installed above the reducer housing (1), and the clamp base (2) is a hollow structure; The fixing unit (3) is mounted on the clamp base (2) and is used to enable the clamp base (2) to clamp the reducer housing (1); The positioning unit (4) is mounted on the fixture base (2), and the positioning unit (4) is used to accurately locate the distribution circle position of the end surface hole of the reducer housing (1); The adjustment unit (5) is located in the cavity of the clamp base (2), and the adjustment unit (5) is used to provide power for the positioning unit (4) and the fixing unit (3); The adjustment unit (5) comprises: a rotating shaft (51), a first circular ring (52), a first arc-shaped sliding groove (53), a first connecting rod (54), a first L-shaped pull rod (55), a second circular ring (56), a second arc-shaped sliding groove (57), a second connecting rod (58), a second L-shaped pull rod (59), a connecting rod (510), a mounting ring (511) and a clamping groove (512); The rotating shaft (51) passes through the center of the clamp base (2) and is rotatably connected to the clamp base (2); The first circular ring (52) is sleeved on the rotating shaft (51), a gap is left between the first circular ring (52) and the rotating shaft (51), and the first circular ring (52) is rotatably connected to the clamp female seat (2) through a bracket; The first arc-shaped sliding grooves (53) are provided with three and are evenly arranged on the first circular ring (52) in a circular shape; The first connecting rod (54) is located in the first arc-shaped sliding groove (53) and matches the first arc-shaped sliding groove (53); One end of the No. 1 L-shaped pull rod (55) is rotatably connected to the No. 1 connecting rod (54), and the other end is rotatably connected to the inner hole positioning slider (36) through a mounting block; The second circular ring (56) is located below the first circular ring (52), the second circular ring (56) is sleeved on the rotating shaft (51), a gap is left between the second circular ring (56) and the rotating shaft (51), and the second circular ring (56) is rotatably connected to the clamp female seat (2) through a bracket; The second arc-shaped sliding grooves (57) are provided with six and are evenly arranged on the first circular ring (52) in a circular shape; The second connecting rod (58) is located in the second arc-shaped sliding groove (57) and matches the second arc-shaped sliding groove (57); One end of the second L-shaped pull rod (59) is rotatably connected to the second connecting rod (58), and the other end is rotatably connected to the drilling positioning slide block (42) through the mounting block; The connecting rods (510) are provided in plurality and are evenly arranged around the rotating shaft (51); The mounting ring (511) is arranged between the connecting rod (510) and the rotating shaft (51), the inner surface of the mounting ring (511) is slidably connected to the rotating shaft (51), and one end of the connecting rod (510) is hinged to the mounting ring (511); The inner surfaces of the first circular ring (52) and the second circular ring (56) are both provided with a clamping groove (512), and the clamping groove (512) is matched with the other end of the connecting rod (510).

2. The circular end face drilling and positioning fixture for a reducer according to claim 1, characterized in that: The fixing unit (3) comprises: a No. 1 slide groove (31), an end surface limiting slider (32), an end surface limiting cylindrical pin (33), a No. 1 screw (34), a No. 2 slide groove (35), an inner hole positioning slider (36), an inner hole limiting cylindrical pin (37) and a No. 2 screw (38); The clamp base (2) comprises a circular portion and a rectangular portion, the No. 1 slide groove (31) is opened on the rectangular portion of the clamp base (2), two No. 1 slide grooves (31) are provided and are symmetrically arranged with each other, and the edge of the No. 1 slide groove (31) is provided with a scale; The end surface limiting slider (32) is located in the No. 1 slide groove (31) and cooperates with the No. 1 slide groove (31), and the upper surface of the end surface limiting slider (32) is in a "T" shape; The end face limiting cylindrical pin (33) passes through the end face limiting slider (32), and the end face limiting cylindrical pin (33) is threadedly connected to the end face limiting slider (32); The No. 1 screw (34) is threadedly connected to the end surface limiting slider (32) through the threaded hole; The second slide grooves (35) are provided in three numbers and are evenly arranged in a circumferential shape on the circular part of the clamp female seat (2), and the edges of the second slide grooves (35) are provided with scales; The inner hole positioning slide block (36) is located in the No. 2 slide groove (35) and cooperates with the No. 2 slide groove (35), and the upper surface of the inner hole positioning slide block (36) is in a "T" shape; The inner hole limiting cylindrical pin (37) passes through the inner hole positioning slider (36), and the inner hole limiting cylindrical pin (37) is threadedly connected to the inner hole positioning slider (36); The No. 2 screw (38) is threadedly connected to the inner hole positioning slider (36) through the threaded hole.

3. The circular end face drilling and positioning fixture for a reducer according to claim 2, characterized in that: The positioning unit (4) comprises: a No. 3 slide groove (41), a drilling positioning slide block (42), a positioning hole (43) and a No. 3 screw (44); The third slide grooves (41) are provided with six and are evenly arranged in a circumferential shape on the circular part of the clamp base (2); the edges of the third slide grooves (41) are provided with scales; the third slide grooves (41) are arranged at intervals from the second slide grooves (35); The drilling positioning slide block (42) is located in the No. 3 slide groove (41) and cooperates with the No. 3 slide groove (41), and the upper surface of the drilling positioning slide block (42) is in a "T" shape; The positioning holes (43) are formed on the drilling positioning slide block (42), and two positioning holes (43) are provided; The No. 3 screw (44) is threadedly connected to the drilling positioning slide block (42) through the threaded hole.

4. The circular end face drilling and positioning fixture for a reducer according to claim 1, characterized in that: A spring (6) is fixedly connected between the connecting rod (510) and the rotating shaft (51).

5. The circular end face drilling and positioning fixture for a reducer according to claim 1, characterized in that: The connection point between the second L-shaped pull rod (59) and the drilling positioning slide block (42) is located on a side of the drilling positioning slide block (42) close to the rotating shaft (51).

6. The circular end face drilling and positioning fixture for a reducer according to claim 1, characterized in that: A rotating disk (7) is fixedly connected to the upper end of the rotating shaft (51).

7. The circular end face drilling and positioning fixture for a reducer according to claim 6, characterized in that: A plurality of circular grooves (8) are provided below the rotating disk (7) and on the clamp base (2). An insertion rod (9) passes through the rotating disk (7), and the insertion rod (9) cooperates with the circular grooves (8).

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