CN218639217U - Shaft workpiece machining grinder - Google Patents

Abstract

A grinding machine for processing shaft workpieces, belonging to the technical field of cylindrical grinding machines, including a workbench, an elevating table is installed on the upper surface of the workbench, and two three-jaw chucks for clamping shaft workpieces are installed below the elevating table The first drive motor used to drive the three-jaw chuck to rotate, the upper surface of the worktable is provided with a mounting groove at the position opposite to the shaft workpiece, and a carrier is installed in the mounting groove, and two fixed blocks are fixedly installed on the upper surface of the carrier , between the two fixed blocks, there is a lead screw whose outer surface is oppositely provided with thread, and the outer surface of the lead screw is sleeved with a lead screw slide table, and a grinding disc is fixedly installed inside the lead screw slide table. A second driving motor is fixedly installed on the surface, and the output end of the second driving motor is fixedly connected with any end of the lead screw. Compared with the prior art, this device can use two grinding discs to simultaneously grind the rotating shaft workpiece. The work efficiency of the processing grinder is further improved.

Description

Grinding machine for processing shaft workpieces

technical field

The utility model belongs to the technical field of cylindrical grinding machines, in particular to a grinding machine for processing shaft workpieces.

Background technique

Cylindrical grinding machine is a grinding machine for processing the outer surface and shoulder end surface of the workpiece cylindrical, conical or other shapes; it is the most widely used and can process various cylindrical conical outer surfaces and shoulder end surface grinding machines.

After searching, Chinese patent, patent number: CN202220539512.5, patent name: a vertical cylindrical grinding machine for machining shaft workpieces, its structure includes a worktable, and a clamp for fixing shaft workpieces is arranged on the workbench The clamping and rotating mechanism includes a clamping drive group and a radial drive group. A grinding disc for grinding is provided on the outside of the shaft workpiece. The grinding disc is movably installed on the first moving seat, which is movably installed on the On the second moving seat, a linear adjustment mechanism is provided at the joint between the first moving seat and the second moving seat, and the linear adjustment mechanism includes a first rack, a first slide bar, a first gear, a second rotating shaft, a worm wheel, a worm and The fourth motor, the first rack is fixedly installed on one side of the first moving seat, the first rack is slidably connected to the inside of the second moving seat through the first slide bar, the first rack is engaged with the first gear, The first gear is rotatably connected to the inside of the second moving seat through the second rotating shaft, and one end of the second rotating shaft is fixedly connected with a worm wheel, and the worm wheel is meshed with a worm, and the worm is rotatably connected to the inside of the second moving seat, and one end of the worm is fixedly connected There is an output shaft of the fourth motor, the fourth motor is fixedly installed inside the second moving seat, the second moving seat is movably connected to the second supporting seat, the second supporting seat is fixedly installed on the workbench, the second moving seat and A reciprocating drive mechanism is provided at the joint of the second support base, and the reciprocating drive mechanism includes a first drive group and a second drive group. The bottom of the workbench is provided with a number of supporting feet for easy support.

As shown in Figure 4, the above-mentioned processing grinder of the prior art, when grinding the shaft workpiece, drives a single grinding disc to reciprocate to grind the shaft workpiece through a reciprocating drive structure, and the grinding efficiency still needs to be improved. In order to further improve the grinding machine To improve the grinding efficiency, a shaft workpiece grinding machine with two grinding discs to simultaneously grind the outer surfaces of both sides of the shaft workpiece is provided to solve the above problems.

Utility model content

In view of the grinding machine in the prior art, when grinding the shaft workpiece, the reciprocating drive structure drives a single grinding disc to reciprocate to grind the shaft workpiece, and there is a problem that the grinding efficiency still needs to be improved. The utility model provides a shaft Grinding machine for workpiece processing, when grinding the shaft workpiece, the screw can be used to synchronously drive the screw slide table and the grinding disc it carries to move to the inside or outside synchronously, so as to achieve the simultaneous grinding of the rotating shaft by using two grinding discs. The workpiece is polished, compared with the prior art of using a reciprocating drive structure to drive a single grinding disc to reciprocate to grind the shaft workpiece, it effectively solves the problem of improving the efficiency of grinding the outer surfaces of both sides of the shaft workpiece. Its specific technical scheme is as follows:

A grinding machine for processing shaft workpieces, including a workbench, an elevating table is installed on the upper surface of the workbench, and two three-jaw chucks for clamping the shaft workpiece and three-jaw chucks for driving the three-jaw chuck are installed below the elevating table. The first driving motor for the rotation of the claw chuck, the upper surface of the worktable is provided with a mounting groove at the position opposite to the shaft workpiece, and a carrier is installed in the mounting groove, and the upper surface of the carrier is fixedly installed with two A fixed block, a lead screw whose outer surface is oppositely provided with threads is rotated between the two fixed blocks, and a lead screw slide is installed on the outer surface of the lead screw oppositely, and the inside of the lead screw slide is fixedly installed There is a grinding disc, and a second drive motor is fixedly installed on the upper surface of the carrier, and the output end of the second drive motor is fixedly connected to any end of the lead screw;

In the above technical solution, a slideway is opened through the upper surface of the lifting platform, and an inverted J-shaped carriage is slidably installed in the slideway, and the three-jaw chuck on the left side is rotatably installed on the right surface of the inverted J-shaped carriage. , the lower surface of the lifting table is fixedly installed with two hanging plates, the three-jaw chuck on the right is rotatably installed on the left surface of the hanging plate on the right, and the first drive motor is installed on the hanging plate on the right the right surface of the board;

In the above technical solution, a hydraulic lifting column is installed between the lifting platform and the workbench;

In the above technical solution, a first hydraulic push rod is fixedly installed on the right surface of the hanging plate on the left, and the right end of the first hydraulic push rod is fixedly connected to the left surface of the inverted J-shaped carriage;

In the above technical solution, the carrier is slidably arranged in the installation groove, the second hydraulic push rod is fixed in the installation groove, and the right end of the second hydraulic push rod is fixedly connected to the left surface of the carrier;

In the above technical solution, the upper surface of the screw slide table is provided with a card slot, and the grinding disc is inserted into the slot, and the left and right surfaces of the screw slide table are threaded and installed with holes for supporting the grinding disc. fixed locking bolt;

In the above technical solution, the upper surface of the carrier is provided with chute symmetrically, and the front and rear surfaces of the screw slide table are fixedly equipped with positioning sliders, and the positioning sliders are slidably arranged in the corresponding chute.

Compared with the prior art, a grinding machine for processing shaft workpieces of the utility model has the beneficial effects as follows:

1. When the utility model is grinding the shaft workpiece, the screw can be used to synchronously drive the screw slide table and the grinding disc carried by it to move to the inside or outside synchronously, so as to achieve the simultaneous grinding of the rotating shaft by using the two grinding discs. The workpiece is polished, compared with the prior art of using a reciprocating drive structure to drive a single grinding disc to reciprocate to grind the shaft workpiece, it effectively solves the problem of improving the efficiency of grinding the outer surfaces of both sides of the shaft workpiece.

2. The utility model can use the first hydraulic push rod to drive the three-jaw chuck on the left side to adjust the position horizontally. It is convenient to use two three-jaw chucks to clamp shaft workpieces of different lengths. The rod drives the stage to move left and right in the installation groove to adjust the middle position of the screw, so as to adjust the two grinding discs to the middle of the shaft workpiece for grinding. Through the above settings, the device can be used for shaft workpieces of different lengths. Grinding work.

Description of drawings

Fig. 1 is a front structural schematic diagram of the utility model.

Fig. 2 is a schematic cross-sectional structure diagram of the utility model.

Fig. 3 is a schematic cross-sectional structure diagram of the screw slide table of the present invention.

Fig. 4 is a schematic structural diagram of the prior art.

In Fig. 1-3, among them: 1-working table, 11-installation slot, 12-hydraulic lifting column, 2-lifting table, 21-three-jaw chuck, 22-slide, 23-inverted J-type carriage, 24 -hanging plate, 25-first hydraulic push rod, 3-axis workpiece, 4-first drive motor, 5-carrier, 51-fixed block, 52-chute, 53-moving wheel, 6-screw, 7 - lead screw slide table, 71 - locking bolt, 72 - positioning slider, 8 - grinding disc, 9 - second hydraulic push rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1, Fig. 2 and Fig. 3. The utility model provides a technical solution: a grinding machine for processing shaft workpieces, including a workbench 1, a lift platform 2 is installed on the upper surface of the workbench 1, and the bottom of the lift platform 2 Two three-jaw chucks 21 for clamping the shaft workpiece 3 and the first drive motor 4 for driving the rotation of the three-jaw chuck 21 are installed, and an installation groove is opened on the upper surface of the worktable 1 opposite to the shaft workpiece 11. A stage 5 is installed in the installation groove 11, and two fixed blocks 51 are fixedly installed on the upper surface of the stage 5, and a lead screw 6 with a screw thread on the outer surface is installed in rotation between the two fixed blocks 51, and the lead screw 6 The outer surface of the carrier 5 is fitted with a lead screw slide 7, and a grinding disc 8 is fixedly installed inside the lead screw slide 7, and a second drive motor 61 is fixedly installed on the upper surface of the carrier 5, and the output of the second drive motor 61 end is fixedly connected with any end of the lead screw 6;

As shown in Figure 1, after the shaft workpiece 3 is held in the two three-jaw chucks 21, the first driving motor 4 can be used to drive it to rotate. After the surface is attached to the grinding disc 8, the grinding disc 8 can grind the shaft workpiece 3. During the grinding process, the second drive motor 61 can be used to drive the leading screw 6 to rotate forward and backward, and the leading screw 6 drives two The screw slide table 7 reciprocates synchronously from the inside to the outside, and then from the outside to the inside, thereby grinding the outer surfaces of both sides of the shaft workpiece 3. Compared with the prior art, this device can use two grinding discs 8 to simultaneously grind the rotating The shaft workpiece 3 is used for grinding work, which further improves the working efficiency of the processing grinder.

It should be noted that, in order to facilitate the clamping of shaft workpieces 3 of different lengths between the two three-jaw chucks 21, a slideway 22 is formed on the upper surface of the lift table 2, and an inverted J-shaped Slide frame 23, the left side three-jaw chuck 21 is rotated and installed on the right surface of the inverted J-shaped slide frame 23, and two hanging plates 24 are fixedly installed on the lower surface of the lifting platform 2, and the right side three-jaw chuck 21 is rotated Be installed on the left surface of the right hanging plate 24, the first drive motor 4 is installed on the right surface of the right hanging plate 24, the output shaft of the first driving motor 4 is fixedly connected with the right surface of the right side three-jaw chuck 21 , the position of the inverted J-shaped carriage 23 can be adjusted by sliding to adapt the clamping distance of the shaft workpiece 3 to be clamped by the three-jaw chuck 21 .

In addition, a hydraulic lifting column 12 is installed between the lifting platform 2 and the workbench 1 , and the lifting platform 2 is lifted by the hydraulic lifting column 12 .

In addition, in order to conveniently adjust the position of the left three-jaw chuck 21, a first hydraulic push rod 25 is fixedly installed on the right surface of the left hanging plate 24, and the right end of the first hydraulic push rod 25 and the inverted J-shaped carriage The left surface of 23 is fixedly connected, and the extension or contraction of the first hydraulic push rod 25 can be used to drive the inverted J-shaped carriage 23 to move to adjust the position of the left three-jaw chuck 21, making its position adjustment more convenient and labor-saving.

When clamping shaft workpieces 3 of different lengths, in order to adjust the position of the grinding disc 8 to the middle of the shaft workpiece 3, slide the stage 5 into the installation groove 11, and fix the second hydraulic pusher in the installation groove 11. Rod 9, so that the right end of the second hydraulic push rod 9 is fixedly connected with the left surface of the carrier 5, and the second hydraulic push rod 9 can be used to drive the carrier 5 to move left and right, thereby driving the screw slide 7 and the grinding Disc 8 adjusts the position.

When the grinding disc 8 is worn to the point that it cannot be used, in order to facilitate the replacement of the grinding disc 8, a slot is provided on the upper surface of the screw slide table 7, and the grinding disc 8 is inserted into the slot, and the The left and right surfaces of 7 are threaded and installed with locking bolts 71 for fixing the grinding disc 8. When replacing the grinding disc 8, the locking bolts 71 can be unscrewed, and the grinding disc 8 can be taken out from the draw-in groove upwards, and then Insert the new grinding disc 8 into the slot, and then use two locking bolts 71 to tighten it to limit it.

In order to strengthen the stability when the lead screw slide 7 slides, a chute 52 is symmetrically opened on the upper surface of the carrier 5, and a positioning slider 72 is fixedly installed on the front and rear surfaces of the lead screw slide 7, and the positioning slide 72 Slidingly arranged in the corresponding chute 52, it can make the lead screw slide table 7 more stable when moving inward or outward.

Working principle: when in use, according to the length of the shaft workpiece 3, the first hydraulic push rod 25 is used to drive the left three-jaw chuck 21 to adjust the position, and then the shaft workpiece 3 is clamped between the two three-jaw chucks 21, and then Use the second hydraulic push rod to drive the movement and adjustment of the stage 5, set the position of the two grinding discs 8 to the middle of the shaft workpiece 3, then start the first drive motor 4 to adjust the rotation of the shaft workpiece 3, and then drive the lifting platform by the hydraulic lifting column 12 2. Move down to make the outer surface of the shaft workpiece 3 fit the outer surface of the grinding disc 8. At this time, start the second drive motor 61 to drive the lead screw 6 to rotate positively and negatively in a certain stroke according to the length of the shaft workpiece 3. When the leading screw 6 rotates positively and negatively, the leading screw slide 7 drives the grinding disc 8 to install a specified stroke from inside to outside, and then performs a circular grinding action from outside to inside.

Claims (7)

1. A shaft workpiece processing grinder, comprising a workbench (1), the upper surface of the workbench (1) is equipped with a lifting platform (2), and two lifting platforms (2) are installed below the lifting platform (2). A three-jaw chuck (21) for clamping a shaft workpiece (3) and a first drive motor (4) for driving the three-jaw chuck (21) to rotate, it is characterized in that the upper surface of the workbench (1) An installation groove (11) is opened at the position opposite to the shaft workpiece, and a carrier (5) is installed in the installation groove (11), and two fixed blocks (51) are fixedly installed on the upper surface of the carrier (5) , between the two fixed blocks (51), a lead screw (6) whose outer surface is oppositely provided with threads is installed in rotation, and a lead screw slide (7) is installed on the outer surface of the lead screw (6) oppositely socketed, A grinding disc (8) is fixedly installed in the screw slide (7), and a second drive motor (61) is fixedly installed on the upper surface of the carrier (5), and the second drive motor (61) The output terminal is fixedly connected with any one end of the leading screw (6). 2. A grinding machine for processing shaft workpieces according to claim 1, characterized in that, a slideway (22) runs through the upper surface of the lift table (2), and the slideway (22) is installed in a sliding manner. There is an inverted J-shaped carriage (23), the three-jaw chuck (21) on the left side is rotatably mounted on the right surface of the inverted J-shaped carriage (23), and the lower surface of the lifting table (2) is fixedly installed with two A hanging plate (24), the three-jaw chuck (21) on the right side is rotatably mounted on the left surface of the hanging plate (24) on the right side, and the first driving motor (4) is installed on the hanging plate (24) on the right side. The right surface of the plate (24). 3. The grinding machine for processing shaft workpieces according to claim 1, characterized in that, a hydraulic lifting column (12) is installed between the lifting platform (2) and the worktable (1). 4. A grinding machine for processing shaft workpieces according to claim 2, characterized in that a first hydraulic push rod (25) is fixedly installed on the right surface of the hanging plate (24) on the left side, and the first hydraulic pressure The right end of push rod (25) is fixedly connected with the left surface of inverted J-shaped slide frame (23). 5. A grinding machine for processing shaft workpieces according to claim 4, characterized in that, the carrier (5) is slidably arranged in the installation groove (11), and the second hydraulic pressure is fixed in the installation groove (11). A push rod (9), the right end of the second hydraulic push rod (9) is fixedly connected to the left surface of the carrier (5). 6. A grinding machine for processing shaft workpieces according to claim 1, characterized in that, the upper surface of the screw slide (7) is provided with a card slot, and the grinding disc (8) is inserted into the card In the groove, and the left and right surfaces of the leading screw slide (7) are threaded and installed with locking bolts (71) for holding and fixing the grinding disc (8). 7. A grinding machine for processing shaft workpieces according to claim 1, characterized in that, the upper surface of the carrier (5) is symmetrically provided with slide grooves (52), and the screw slide (7) Positioning sliders (72) are fixedly installed on the front and rear surfaces, and the positioning sliders (72) are slidably arranged in corresponding slide grooves (52).

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