CN106944931B - An elliptical grinding wheel dresser and its dressing method - Google Patents

Abstract

The invention discloses a universal elliptical grinding wheel dresser and a dressing method thereof, comprising a main frame, on which a base is slidably provided, a first rotating shaft is arranged in the base, a swing arm is connected to the left end of the first rotating shaft, and the end of the swing arm is The upper part is connected with a trimming pen; the right end of the main frame is slid to be provided with an up and down slider, and the up and down slider passes through the fixing groove on the main frame, and a second rotating shaft is arranged inside the up and down sliding block, and a hand wheel is fixedly connected to the right end of the second rotating shaft. The left end of the second rotating shaft is movably connected with an adjusting block, and the bottom of the adjusting block is provided with a zero-alignment block, and the adjusting block is connected with the first rotating shaft. The invention is easy to adjust and easy to operate, and the size of the ellipse can be adjusted arbitrarily to ensure that an ellipse grinding wheel of any size can be repaired. greater market value.

Description

An elliptical grinding wheel dresser and its dressing method

technical field

The invention relates to the technical field of shaping grinding wheel dressing, in particular to a universal elliptical grinding wheel dresser capable of dressing circular grinding wheels and elliptical grinding wheels.

Background technique

The traditional forming grinder can only complete the trimming of planes, inclined surfaces, and arcs. When it comes to ellipse trimming, it can only use the arc dresser to grind multiple tangent and approximate arcs. This operation requires multiple tool setting and time-consuming Laborious, high requirements for personnel skills, low accuracy of trim size, low pass rate of workpieces, and low quality of workpieces. Some manufacturers use CNC grinding machines to trim elliptical grinding wheels, but the CNC machine tools are expensive and the dressing rate is low, which greatly increases the production cost; the existing forming grinding industry has no special tools for trimming standard elliptical grinding wheels, which brings great difficulties to the dressing of elliptical grinding wheels. Great difficulty, greatly affecting production efficiency.

Contents of the invention

Aiming at the shortcomings of the above-mentioned background technology, the present invention provides a universal elliptical grinding wheel dresser and its dressing method, which are used to solve the technical problems of difficult elliptical grinding wheel dressing, low precision, and high investment cost in the prior art.

The technical solution of the present invention is: a universal elliptical grinding wheel dresser, including a main frame, a base is movable on the main frame, a first rotating shaft is arranged in the base, a swing arm is connected to the left end of the first rotating shaft, and the end of the swing arm A trimming pen is connected; the right end of the main frame is slid to be provided with an up and down slider, and the up and down slider is installed in a fixed groove on the main frame, and the up and down slider is sleeved on the second rotating shaft and the second rotating shaft passes through the up and down sliding block. The right end of the second rotating shaft is fixedly connected with a hand wheel, the left end of the second rotating shaft is movably connected with an adjusting block, and the bottom of the adjusting block is provided with a zero-setting block, and the adjusting block is connected with the first rotating shaft.

Two parallel horizontal linear guide rails are arranged symmetrically on the plane of the left end of the main frame. The horizontal linear guide rails are perpendicular to the first rotating shaft. The bases are connected; the right end plane of the main frame is vertically provided with two parallel horizontal linear guide rails, and the vertical linear guide rails are connected with the upper and lower sliders through the second slider.

The bottom of the sliding bottom plate is provided with a first slider, the first slider matches the horizontal linear guide rail, the upper surface of the sliding bottom plate and the lower surface of the base are provided with key grooves, the key grooves of the sliding bottom plate match the key grooves of the base, A flat key is arranged in the key groove.

The left end of the adjustment block is provided with a circular positioning groove and a rectangular groove, the circular positioning groove matches the first rotating shaft, and the rectangular groove cooperates with the rib key at the right end of the first rotating shaft; the right end of the adjusting block is provided with a T-shaped The chute is provided with a fixed through hole between the T-shaped chute and the circular positioning groove, and the adjusting block is fixedly connected with the first rotating shaft through a screw passing through the fixed through hole.

The left end of the second rotating shaft is provided with a T-shaped block, and the left end of the T-shaped block is fixedly connected with a locking plate, the locking plate is located in the T-shaped chute, the T-shaped block matches the T-shaped chute, and the second rotating shaft passes through the T-shaped The block is connected with the locking plate and the adjusting block; the middle part of the second rotating shaft is provided with a circular through hole.

The upper and lower sliders are T-shaped. There are shaft holes inside the upper and lower sliders. The shaft holes match the second rotating shaft. The upper and lower sliders are sleeved on the second rotating shaft and are located on the left side of the handwheel. The left end face matches with the T-block; the upper and lower sliders are symmetrically provided with a second slider.

The zero alignment block is T-shaped, one end of the zero alignment block is connected with the adjustment block, and the other end is located between the adjustment block and the upper and lower sliders.

A pen slot is arranged on the left end plane of the swing arm, and a trimming pen is arranged in the pen slot, and a second fixing knob is arranged on the left end surface of the swing arm, and the second fixing knob is in contact with the trimming pen.

The base is provided with a first fixed knob, and the first fixed knob is in contact with the first rotating shaft.

A dressing method for a universal elliptical grinding wheel dresser, characterized in that: 1. Dressing of a circular grinding wheel: the second rotating shaft is adjusted by sliding up and down the slider, and the T-shaped block of the second rotating shaft is in contact with the zeroing block, so that the second rotating shaft The center line coincides with the center line of the first rotating shaft. At this time, by adjusting the upper and lower positions of the dressing pen, round grinding wheels with different diameters can be dressed; 2. Dressing of elliptical grinding wheels: adjust the second rotating shaft through the upper and lower sliders Make the center line of the second rotating shaft and the center line of the first rotating shaft not on the same straight line. At this time, there is a certain gap between the T-shaped block of the second rotating shaft and the zero alignment block, and the gap between the second rotating shaft and the zero alignment block It is 1/2 of the center distance of the major axis of the ellipse to be trimmed; adjust the up and down position of the trimming pen through the second fixed knob, and the eccentricity between the center of the trimming pen and the first rotating shaft is the minor axis of the ellipse to be trimmed.

The present invention utilizes the principle of drawing an ellipse with two centers of circles to trim the major axis of the ellipse to be trimmed by adjusting the relative positions of the first rotating shaft and the second rotating shaft; The adjustment of the minor axis of the ellipse is ingenious and the dressing precision is high, which fills the vacancy in the dressing of elliptical grinding wheels in the market; in addition, when the centerlines of the first rotating shaft and the second rotating shaft coincide, the round grinding wheel can be dressed to improve the device's efficiency. Applicability, reduce investment costs. The invention is easy to adjust and easy to operate, and the size of the ellipse can be adjusted arbitrarily to ensure that an ellipse grinding wheel of any size can be repaired. greater market value.

Description of drawings

Fig. 1 is the overall front view of the present invention.

Fig. 2 is the overall right view of the present invention.

Fig. 3 is an overall left view of the present invention.

Fig. 4 is a view from direction A in Fig. 3 .

Fig. 5 is a schematic diagram of the structure of the regulating block of the present invention.

Fig. 6 is a schematic diagram of the structure of the second rotating shaft of the present invention.

Fig. 7 is a schematic diagram of the structure of the main frame of the present invention.

Fig. 8 is a schematic diagram of the internal structure of Embodiment 2.

detailed description

Embodiment 1: As shown in Figure 1-7, a universal elliptical grinding wheel dresser includes a main frame 1, on which a base 3 is slidably connected to the main frame 1 through slide rails, the base 3 can slide back and forth on the main frame 1, and the base 3 The inner sleeve is provided with a first rotating shaft 4, the first rotating shaft cooperates with the base 3, the left end of the first rotating shaft 4 is connected with a swing arm 5, the first rotating shaft 4 drives the swing arm 5 to rotate, and the end of the swing arm 5 is movably connected with Dressing pen 11, swing arm 5 drives dressing pen 11 to rotate; slot, the upper and lower sliders 6 are provided with a second shaft 10, the second shaft passes through the upper and lower sliders 6, the right end of the second shaft 10 is fixedly connected with a handwheel 13, and the left end of the second shaft 10 is slidably connected with an adjustment block 8, The lower part of the adjustment block 8 is provided with a zero adjustment block 14 , and the adjustment block 8 is connected with the first rotating shaft 4 . Turning the hand wheel drives the second rotating shaft to rotate, and then drives the first rotating shaft to rotate, and the first rotating shaft drives the swing arm to rotate, and then drives the dressing pen to swing to realize the dressing of the grinding wheel.

The main frame 1 is ┛-shaped, and two horizontal linear guide rails 12 parallel to each other are arranged symmetrically on the left end plane of the main frame 1. , the sliding bottom plate 2 can slide forward and backward along the horizontal linear guide rail 12, the sliding bottom plate 2 is connected with the base 3, and then the base 3 can slide back and forth; the right end plane of the main frame 1 is vertically provided with two vertical linear guide rails 7 parallel to each other , the vertical linear guide rail 7 is connected with the upper and lower sliders 6 through the second slider 19, and the upper and lower sliders 6 move linearly up and down along the vertical linear guide rail 7 through the second slider 19. The bottom of described sliding base plate 2 is provided with first slide block 18, and first slide block 18 cooperates with horizontal linear guide rail 12, and slide base plate realizes moving forward and backward along horizontal linear guide rail by first slide block; The upper surface of sliding base plate 2 The lower surface of the base 3 is provided with a keyway, the keyway of the sliding base plate 2 matches the keyway of the base 3, and the keyway is provided with a flat key 17, which is used for the connection of the sliding base plate 2 and the base 3 to be firm and tight.

The left end of the adjustment block 8 is provided with a circular positioning groove 801 and a rectangular groove 802, and the circular positioning groove 801 cooperates with the right end of the first rotating shaft 4 for positioning the first rotating shaft 4; the right end of the first rotating shaft is provided with a belt The rib key 15 and the rectangular groove 802 are matched with the band rib key 15 at the right end of the first rotating shaft 4 to precisely connect the adjusting block with the first rotating shaft. The right end of the adjusting block 8 is provided with a T-shaped chute 803, which A fixing through hole 804 is provided between the sliding groove 803 and the circular positioning groove 801 , and the adjusting block 8 is fixedly connected with the first rotating shaft 4 through a screw passing through the fixing through hole 804 . The left end of the second rotating shaft 10 is provided with a T-shaped block 101, and the left end of the T-shaped block 101 is fixedly connected with a locking plate 16, and the locking plate 16 is located in the T-shaped chute 803, and the T-shaped block 101 is in contact with the T-shaped chute 803. Cooperate, the T-shaped block 101 and the locking plate 16 can slide up and down linearly in the T-shaped chute, and the second rotating shaft 10 is connected with the locking plate 16 and the adjusting block 8 through the T-shaped block 101; the middle part of the second rotating shaft 10 is provided with a circle Shaped through hole 102. A hexagon socket head screw is provided in the circular through hole, and the T-shaped block 101 is connected with the lock plate 16 through the hexagon socket head angle screw, thereby realizing the connection of the lock plate, the T-shaped block and the adjustment block, and then realizing that the second rotating shaft drives the first rotating shaft to rotate .

The upper and lower sliders 6 are T-shaped, and the upper and lower sliders 6 are provided with shaft holes, which are matched with the second rotating shaft 10, and the second rotating shaft 10 passes through the upper and lower sliders 6, and the upper and lower sliders 6 are sleeved on the second On the second shaft 10 and on the left side of the handwheel 13, the left end of the upper and lower sliders 6 is in contact with the right end face of the T-shaped block 101; The slider 6 is fixedly connected.

The zeroing block 14 is T-shaped, and one end of the zeroing block 14 is fixedly connected with the adjustment block 8, and the other end is located between the adjustment block 8 and the upper and lower sliders 6, and the upper end surface of the zeroing block is connected with the T-shaped block 101. The relative distance between the lower end faces is adjustable.

The left end plane of the swing arm 5 is provided with a pen slot, the pen slot is provided with a trimming pen 11, the left end surface of the swing arm 5 is provided with a second fixed knob 20, and the second fixed knob 20 is in contact with the trimming pen 11, After the position of the trimming pen is determined, the trimming pen is fixed by turning the second fixing knob 20 . The base 3 is provided with a first fixing knob 21, the first fixing knob 21 is in contact with the first rotating shaft 4, and by turning the first fixing knob 21, the first rotating shaft can be fixed so that it does not rotate anymore.

Dressing of the round grinding wheel by the universal elliptical grinding wheel dresser: install the device on the grinding machine to make it well connected; then loosen the bolt between the lock piece and the T-block, and adjust the T-block and the T-block on the second rotating shaft through the upper and lower sliders. For the gap between the zero blocks, make the T-block contact with the zero block, and then tighten the bolts between the locking piece and the T-block, so that the second rotating shaft is fixedly connected with the adjusting block. At this time, the center line of the second rotating shaft It coincides with the centerline of the first shaft, and then, according to the diameter of the grinding wheel to be trimmed, adjust the dressing pen through the second fixed knob to make it in a proper position; then turn the handwheel to drive the second shaft to rotate, the second shaft Drive the first rotating shaft to rotate, drive the swing arm to rotate through the first rotating shaft, and then drive the dressing pen to rotate, so that the circular grinding wheel with corresponding diameter can be dressed.

Embodiment 2: As shown in Figure 8, the dressing of the elliptical grinding wheel by the universal elliptical grinding wheel dresser: install the device on the grinding machine to make it well connected; then loosen the bolts between the locking piece and the T-shaped block, and trim as required For the long axis of the elliptical grinding wheel, adjust the gap between the T-shaped block and the zero-alignment block on the second rotating shaft through the upper and lower sliders, so that the center line of the second rotating shaft is not on the same line as the center line of the first rotating shaft. The gap between the second rotating shaft and the zero alignment block is 1/2 of the center distance of the major axis of the ellipse to be trimmed; adjust the up and down position of the trimming pen through the second fixed knob, and adjust the eccentricity between the center of the trimming pen and the first shaft It is the minor axis of the ellipse to be trimmed; at this time, the second rotating shaft, the upper and lower sliders, the adjusting block, the first rotating shaft and the base form the crankshaft; then turn the handwheel to drive the second rotating shaft to rotate, and the second rotating shaft drives the second rotating shaft through the adjusting block When the first rotating shaft rotates, the first rotating shaft drives the swing arm to rotate, and then realizes the movement of the trimming pen. Since the first rotating shaft and the second rotating shaft are in an eccentric state, it drives the upper and lower sliders to move up and down along the vertical linear guide rail, and at the same time drives the base to move along the horizontal line The guide rail moves forward and backward in a straight line; thereby realizing the dressing of the corresponding oval grinding wheel.

Other structures are the same as in Embodiment 1.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed in the present invention can easily think of changes or Replacement should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a omnipotent oval emery wheel dresser which characterized in that: the device comprises a main frame (1), wherein a base (3) is movably arranged on the main frame (1), a first rotating shaft is arranged in the base (3), the left end of the first rotating shaft is connected with a swing arm (5), and the end part of the swing arm (5) is connected with a finishing pen (11); an upper sliding block and a lower sliding block (6) are arranged at the right end of the main frame (1) in a sliding manner, the upper sliding block and the lower sliding block (6) are installed in fixing grooves in the main frame (1), the upper sliding block and the lower sliding block (6) are sleeved on a second rotating shaft (10), the second rotating shaft (10) penetrates through the upper sliding block and the lower sliding block (6), a hand wheel (13) is fixedly connected with the right end of the second rotating shaft (10), an adjusting block (8) is movably connected with the left end of the second rotating shaft (10), a zero aligning block (14) is arranged at the lower part of the adjusting block (8), and the adjusting block (8) is connected with the first rotating shaft;

the main frame (1) is suspension type, two parallel horizontal linear guide rails (12) are symmetrically arranged on the left end plane of the main frame (1), the horizontal linear guide rails (12) are perpendicular to the first rotating shaft, the horizontal linear guide rails (12) are fixedly connected with the main frame (1), a sliding bottom plate (2) is arranged on the horizontal linear guide rails (12) in a sliding manner, and the sliding bottom plate (2) is connected with a base (3); two parallel horizontal linear guide rails (12) are vertically arranged on the right end plane of the main frame (1), and the vertical linear guide rail (7) is connected with the upper and lower sliding blocks (6) through a second sliding block (19);

the bottom of the sliding bottom plate (2) is provided with a first sliding block (18), the first sliding block (18) is matched with the horizontal linear guide rail (12), key grooves are formed in the upper surface of the sliding bottom plate (2) and the lower surface of the base (3), the key grooves of the sliding bottom plate (2) are matched with the key grooves of the base (3), and flat keys (17) are arranged in the key grooves;

the left end of the adjusting block (8) is provided with a circular positioning groove (801) and a rectangular groove (802), the circular positioning groove (801) is matched with the first rotating shaft, and the rectangular groove (802) is matched with a key (15) with a flange at the right end of the first rotating shaft; a T-shaped sliding groove (803) is formed in the right end of the adjusting block (8), a fixing through hole (804) is formed between the T-shaped sliding groove (803) and the circular positioning groove (801), and the adjusting block (8) is fixedly connected with the first rotating shaft through a screw penetrating through the fixing through hole (804);

the left end of the second rotating shaft (10) is provided with a T-shaped block (101), the left end of the T-shaped block (101) is fixedly connected with a locking plate (16), the locking plate (16) is located in a T-shaped sliding groove (803), the T-shaped block (101) is matched with the T-shaped sliding groove (803), and the second rotating shaft (10) is connected with the adjusting block (8) through the T-shaped block (101) and the locking plate (16); a circular through hole is formed in the middle of the second rotating shaft (10);

the upper sliding block and the lower sliding block (6) are T-shaped, shaft holes are formed in the upper sliding block and the lower sliding block (6), the shaft holes are matched with the second rotating shaft (10), the upper sliding block and the lower sliding block (6) are sleeved on the second rotating shaft (10) and are positioned on the left side of the hand wheel (13), and the left end faces of the upper sliding block and the lower sliding block (6) are matched with the T-shaped block (101); the upper and lower sliding blocks (6) are symmetrically provided with second sliding blocks (19).

2. The universal grinding elliptical wheel dresser according to claim 1, wherein: the zero alignment block (14) is T-shaped, one end of the zero alignment block (14) is connected with the adjusting block (8), and the other end of the zero alignment block is located between the adjusting block (8) and the upper and lower sliding blocks (6).

3. The universal grinding elliptical wheel dresser according to claim 2, wherein: the pen holder is characterized in that a pen groove is formed in the plane of the left end of the swing arm (5), a finishing pen (11) is arranged in the pen groove, a second fixing knob (20) is arranged on the left end face of the swing arm (5), and the second fixing knob (20) is in contact with the finishing pen (11).

4. The universal grinding elliptical wheel dresser according to claim 3, wherein: the base (3) is provided with a first fixed knob (21), and the first fixed knob (21) is in contact with the first rotating shaft.

5. The dressing method of the universal oval grinding wheel dresser according to claim 4, wherein: 1. trimming a circular grinding wheel: the second rotating shaft is adjusted through the upper sliding block and the lower sliding block, the T-shaped block of the second rotating shaft is contacted with the zero alignment block, so that the center line of the second rotating shaft is coincided with the center line of the first rotating shaft, and at the moment, the circular grinding wheels with different diameters can be trimmed by adjusting the upper position and the lower position of the trimming pen; 2. and (3) trimming an elliptical grinding wheel: adjusting the second rotating shaft through the upper sliding block and the lower sliding block to enable the center line of the second rotating shaft and the center line of the first rotating shaft not to be located on the same straight line, wherein a certain gap is formed between the T-shaped block and the zero alignment block of the second rotating shaft, and the gap between the second rotating shaft and the zero alignment block is 1/2 of the center distance of the long axis of the ellipse to be trimmed; and adjusting the upper and lower positions of the trimming pen through the second fixing knob, wherein the eccentric amount between the center of the trimming pen and the first rotating shaft is the short shaft of the ellipse to be trimmed.

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