Rotary balance workbench

Abstract

The invention provides a rotary balance workbench, and belongs to the technical field of machinery. The rotary balance workbench solves the problems that after an existing rotary balance workbench is used for a long time, deviation is prone to being generated, and grinding precision is affected. The rotary balance workbench comprises a base, a lower disc seat is arranged on the base, a center shaft is axially and fixedly connected to the middle of the lower disc seat, the center shaft and the lower disc seat are coaxially arranged, a driving mechanism capable of driving the center shaft to rotate is arranged on the base, and the upper end of the center shaft is fixedly connected with an upper disc seat located on the upper side of the lower disc seat. An adjusting assembly capable of adjusting the angle of the lower disc seat is arranged between the base and the lower disc seat. The rotary balance workbench has the advantages of being convenient to adjust, good in stability and capable of guaranteeing grinding precision.

Description

Technical Field

[0001] The invention belongs to the field of mechanical technology and relates to a workbench, in particular to a rotary balancing workbench. Background Art

[0002] In order to meet the needs of grinding workpieces of various sizes, existing surface grinders will set the grinding machine itself as a moving part and the worktable as a moving part. However, compared with the movement of the grinding machine, the movement process is obviously more complicated and troublesome to adjust. If the worktable is set as a moving part, the movement will be relatively simple because the worktable itself has relatively fewer parts. However, with the rapid development of mechanical technology, a single worktable is now difficult to meet the requirements of surface grinders for grinding accuracy of different workpieces. After long-term use, the worktable is prone to deviation, affecting the grinding accuracy.

[0003] For example, a rotary table disclosed in a Chinese patent document (application number: 201720648047.8) includes a fixed table and a rotatable table bearing seat, wherein a rotatable table support is provided at the left and right sides and the middle position below the fixed table, and a rotary table body is provided above the rotatable table support near the left and right sides below the fixed table, and a workpiece to be processed is provided on the right side of the upper surface of the rotary table body. However, after long-term use, the rotary table is prone to deviation, which affects the grinding accuracy. Summary of the invention

[0004] The purpose of the present invention is to solve the above problems in the prior art and to provide a rotary balancing workbench which can adjust the horizontal angle of the workbench surface, has good stability and ensures grinding accuracy.

[0005] The objective of the present invention can be achieved through the following technical scheme: a rotating balancing workbench, comprising a base, a lower disc seat being arranged on the base, a central axis being axially fixedly connected to the middle part of the lower disc seat, the central axis being coaxially arranged with the lower disc seat, a driving mechanism being arranged on the base and capable of driving the central axis to rotate, an upper disc seat being fixedly connected to the upper end of the central axis and being located on the upper side of the lower disc seat, and characterized in that an adjusting component capable of adjusting the angle of the lower disc seat is arranged between the base and the lower disc seat.

[0006] During operation, the workpiece is positioned on the upper disc seat, and the driving mechanism drives the upper disc seat to rotate, so that the grinding device of the surface grinder grinds the workpiece. When the angle of the upper disc seat needs to be adjusted, the angle of the lower disc seat is adjusted through the adjustment component, thereby adjusting the angle of the center axis and the upper disc seat, which has the advantages of convenient adjustment, good stability and guaranteed grinding accuracy.

[0007] In the above-mentioned rotary balancing workbench, the driving mechanism includes a motor whose housing is fixedly connected to the base, and the rotating shaft of the motor is connected to the lower end of the central shaft through a synchronous belt assembly. An adjustment block is provided on the base, and a tensioning wheel is axially fixedly connected to the adjustment block. The tensioning wheel can push the synchronous belt to make the synchronous belt in a tight state, thereby improving the power transmission efficiency.

[0008] In the above-mentioned rotary balancing workbench, the driving mechanism includes a motor whose shell is fixedly connected to the base, and the rotating shaft of the motor is connected to the lower end of the central shaft through a chain assembly.

[0009] In the above-mentioned rotary balancing workbench, the adjustment component includes a connecting seat horizontally fixedly connected to the base, the connecting seat is located on one side of the central axis, the upper end of the connecting seat is fixedly connected to a lower connecting block, the lower end surface of the lower disc seat is fixedly connected to an upper connecting block, the lower connecting block is axially fixedly connected to a horizontally arranged rotating shaft, the rotating shaft is fixedly connected to the upper connecting block, the base is fixedly connected to a nut support, the nut support is threadedly connected to a vertically arranged adjusting screw, and the upper end of the adjusting screw abuts against the other side of the lower end surface of the lower disc body. The rotating shaft is fixedly connected to the upper connecting block, and the rotating shaft can rotate the lower connecting block first, so that the upper connecting block and the lower disc seat are hinged on the base, and the angle of the lower disc seat is adjusted by rotating the adjusting screw, which has the advantages of simple structure and convenient adjustment.

[0010] In the above-mentioned rotary balancing workbench, the upper end surface of the adjusting screw is a convex arc surface, the lower end surface of the lower disc seat is provided with a concave arc surface and the convex arc surface abuts against the concave arc surface. By abutting the convex arc surface against the concave arc surface, a better positioning effect is achieved and deviation can be avoided.

[0011] In the above-mentioned rotary balancing workbench, the connecting seat, the upper connecting block and the lower connecting block are all in the shape of long strips, the upper end surface of the lower connecting block and the lower end surface of the upper connecting block are provided with V-shaped grooves with corresponding structures and positions, the upper and lower sides of the rotating shaft are respectively embedded in the V-shaped grooves, and the V-shaped grooves are arranged parallel to the edge lines of the connecting seat.

[0012] In the above-mentioned rotary balancing workbench, the end faces of both ends of the upper connecting block are located inside the end faces of both ends of the lower connecting block, and both ends of the upper connecting block are fixedly connected with a rotating shaft pressing plate, and both ends of the rotating shaft pressing plate are fixedly connected to the lower connecting block by screws, and the middle part of the rotating shaft pressing plate is an arc-shaped positioning groove, and the outer side wall of the rotating shaft is embedded in the positioning groove. The rotating shaft pressing plate is fixedly connected to the lower connecting block by screws, and the outer side wall of the rotating shaft is embedded in the positioning groove, and the rotating shaft is positioned in the V-shaped groove of the lower connecting block, which has the advantages of simple structure, convenient disassembly and assembly, and good positioning effect of the rotating shaft.

[0013] In the above-mentioned rotary balancing workbench, the lower end surface of the lower disc seat is provided with a mounting groove matching the upper connecting block, and the upper connecting block is embedded in the mounting groove. The upper connecting block is embedded in the mounting groove, which has the advantages of good connection effect and simple structure.

[0014] In the above-mentioned rotary balancing workbench, a lower bearing seat is coaxially fixedly connected to the middle part of the lower end of the lower disc seat, and a cylindrical roller bearing is provided between the lower bearing seat and the central axis.

[0015] In the above-mentioned rotary balancing workbench, a roller bearing is provided between the lower disc seat and the central axis.

[0016] In the above-mentioned rotary balancing workbench, the base comprises an upper panel and a lower panel arranged in parallel, the upper panel and the lower panel are fixedly connected by a plurality of support columns, and the sides of the upper panel and the lower panel are surrounded and fixedly connected with side panels. The above-mentioned arrangement has the advantages of simple structure and convenient manufacturing.

[0017] In the above rotary balancing workbench, the upper panel is fixedly connected with an annular water retaining ring, which is arranged on the outer side of the lower plate seat and the inner side wall of the water retaining ring is close to the outer side wall of the lower plate seat. By providing the water retaining ring, the waterproof effect of the workbench is improved.

[0018] In the above-mentioned rotary balancing workbench, a swing arm is provided on the base, the middle part of the swing arm is hinged on the base, one end of the swing arm is provided with a ball, and the ball can abut against the upper end surface of the upper disc seat, a locking mechanism is provided between the other end of the swing arm and the base, and when the ball abuts against the upper end surface of the upper disc seat, the locking mechanism can lock the other end of the swing arm with the base. After rotating the adjusting screw to adjust the angle of the lower disc seat, the swing arm is swung to make the ball abut against the upper end surface of the upper disc seat, and then the locking mechanism is locked, so that the rotation of the upper disc seat is more stable and reliable, which improves the stability of the upper disc seat and ensures the advantages of grinding accuracy.

[0019] In the above-mentioned rotary balancing workbench, the locking mechanism includes a locking block and a screw passing through the locking block. One side of the locking block is an arc-shaped convex surface, and the other end of the swing arm is provided with an arc-shaped concave surface and the arc-shaped convex surface is embedded in the arc-shaped concave surface. The screw passes through the swing arm and is fixedly connected with the base thread. When locking, loosen the screw, adjust the locking block, and when the swing arm is swung so that the ball is against the upper end surface of the upper plate seat, tighten the screw, so that the swing arm can be locked at any angle, which has the advantages of simple structure and convenient locking.

[0020] Compared with the prior art, this rotary balancing workbench has the following advantages:

[0021] 1. When the angle of the upper disc seat needs to be adjusted, the angle of the lower disc seat is adjusted by adjusting the assembly, so as to adjust the angle of the central axis and the upper disc seat, which has the advantages of convenient adjustment, good stability and guaranteed grinding accuracy;

[0022] 2. The rotating shaft is fixedly connected to the upper connecting block, and the rotating shaft can rotate the lower connecting block first, so that the upper connecting block and the lower disc seat are hinged on the base, and the angle of the lower disc seat can be adjusted by rotating the adjusting screw, which has the advantages of simple structure and convenient adjustment;

[0023] 3. The shaft pressing plate is fixed to the lower connecting block by screws, and the outer wall of the shaft is embedded in the positioning groove, and the shaft is positioned in the V-shaped groove of the lower connecting block. It has the advantages of simple structure, convenient disassembly and assembly, and good positioning effect of the shaft;

[0024] 4. The upper panel and the lower panel are fixedly connected by a plurality of support columns, and the sides of the upper panel and the lower panel are surrounded and fixedly connected with side panels, which has the advantages of simple structure and convenient manufacturing. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional schematic diagram of the first embodiment of the rotary balancing workbench.

[0026] Figure 2 It is a top view schematic diagram of the first embodiment of the rotary balancing workbench.

[0027] Figure 3 yes Figure 2 Schematic cross-sectional view of AA.

[0028] Figure 4 yes Figure 2 Schematic cross-sectional view of BB.

[0029] Figure 5 It is a schematic diagram of the adjustment component of the first embodiment of the rotary balancing workbench.

[0030] Figure 6 It is a cross-sectional schematic diagram of the second embodiment of the rotation balancing work.

[0031] Figure 7 yes Figure 6 B is a partial enlarged schematic diagram.

[0032] In the figure, 1, base; 1a, upper panel; 1b, lower panel; 1c, support column; 1d, side panel; 2, lower disc seat; 2a, mounting groove; 2b, concave arc surface; 3, central axis; 4, driving mechanism; 4a, motor; 4b, synchronous belt assembly; 5, upper disc seat; 6, adjustment assembly; 6a, connecting seat; 6b, lower connecting block; 6c, upper connecting block; 6d, nut support; 6e, adjusting screw; 6f, convex arc surface; 6g, rotating shaft pressure plate; 6h, positioning groove; 6i, rotating shaft; 7, lower bearing seat; 8, roller bearing; 9, water retaining ring; 10, swing arm; 10a, arc concave surface; 11, ball; 12, locking mechanism; 12a, locking block; 12b, arc convex surface; 13, screw. DETAILED DESCRIPTION

[0034] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0035] like Figures 1 to 5 As shown, the rotary balancing workbench includes a base 1, a lower disc seat 2 is provided on the base 1, a central axis 3 is axially fixedly connected to the middle part of the lower disc seat 2, the central axis 3 and the lower disc seat 2 are coaxially arranged, a driving mechanism 4 capable of driving the central axis 3 to rotate is provided on the base 1, an upper disc seat 5 located on the upper side of the lower disc seat 2 is fixedly connected to the upper end of the central axis 3, and it is characterized in that an adjusting component 6 capable of adjusting the angle of the lower disc seat 2 is provided between the base 1 and the lower disc seat 2.

[0036] The driving mechanism 4 includes a motor 4a whose housing is fixedly connected to the base 1, and the rotating shaft 6i of the motor 4a is connected to the lower end of the central shaft 3 through a synchronous belt assembly 4b. A tensioning wheel is provided on the base 1, and the tensioning wheel can push the synchronous belt to make the synchronous belt in a tight state, thereby improving the power transmission efficiency. Preferably, the driving mechanism 4 includes a motor 4a whose housing is fixedly connected to the base 1, and the rotating shaft 6i of the motor 4a is connected to the lower end of the central shaft 3 through a chain assembly.

[0037] The adjustment assembly 6 includes a connection seat 6a fixedly connected horizontally to the base 1, the connection seat 6a is located on one side of the central axis 3, the upper end of the connection seat 6a is fixedly connected to a lower connection block 6b, the lower end surface of the lower disc seat 2 is fixedly connected to an upper connection block 6c, the lower end surface of the lower disc seat 2 is provided with a mounting groove 2a matching the upper connection block 6c, and the upper connection block 6c is embedded in the mounting groove 2a, which has the advantages of good connection effect and simple structure. The lower connection block 6b is axially fixedly connected to a horizontally arranged rotating shaft 6i, and the rotating shaft 6i is fixedly connected to the upper connection block 6c. The base 1 is fixedly connected to a nut support 6d, and a vertically arranged adjusting screw 6e is threadedly connected to the nut support 6d, and the upper end of the adjusting screw 6e abuts against the other side of the lower end surface of the lower disc body. The upper end surface of the adjusting screw 6e is a convex arc surface 6f, and the lower end surface of the lower disc seat 2 is provided with a concave arc surface 2b and the convex arc surface 6f abuts against the concave arc surface 2b, which has a good positioning effect and can avoid displacement.

[0038] The connecting seat 6a, the upper connecting block 6c and the lower connecting block 6b are all in the shape of long strips. The upper end surface of the lower connecting block 6b and the lower end surface of the upper connecting block 6c are both provided with V-shaped grooves with corresponding structures and positions. The upper and lower sides of the rotating shaft 6i are respectively embedded in the V-shaped grooves, and the V-shaped grooves are arranged parallel to the edge line of the connecting seat 6a. The end surfaces of both ends of the upper connecting block 6c are both located on the inner side of the end surfaces of both ends of the lower connecting block 6b. Both ends of the upper connecting block 6c are fixedly connected with a rotating shaft pressing plate 6g. The two ends of the rotating shaft pressing plate 6g are fixedly connected to the lower connecting block 6b by screws. The middle part of the rotating shaft pressing plate 6g is an arc-shaped positioning groove 6h, and the outer side wall of the rotating shaft 6i is embedded in the positioning groove 6h. The shaft pressure plate 6g is fixedly connected to the lower connecting block 6b by screws, and the outer wall of the shaft 6i is embedded in the positioning groove 6h, so that the shaft 6i is positioned in the V-groove of the lower connecting block 6b, which has the advantages of simple structure, easy disassembly and assembly, and good positioning effect of the shaft 6i.

[0039] A lower bearing seat 7 is coaxially fixedly connected to the middle part of the lower end of the lower disc seat 2 , and a roller bearing 8 is arranged between the lower bearing seat 7 and the central axis 3 . A roller bearing 8 is arranged between the lower disc seat 2 and the central axis 3 .

[0040] The base 1 includes an upper panel 1a and a lower panel 1b which are arranged in parallel. The upper panel 1a and the lower panel 1b are fixedly connected by a plurality of support columns 1c. The sides of the upper panel 1a and the lower panel 1b are surrounded and fixedly connected with side panels 1d, which has the advantages of simple structure and easy manufacturing.

[0041] An annular water retaining ring 9 is fixedly connected to the upper table panel 1a. The water retaining ring 9 is arranged around the outer side of the lower plate seat 2 and the inner side wall of the water retaining ring 9 is close to the outer side wall of the lower plate seat 2, thereby improving the waterproof effect of the workbench.

[0042] During operation, the workpiece is positioned on the upper disc seat 5, and the motor 4a drives the upper disc seat 5 to rotate through the synchronous belt assembly 4b, so that the grinding device of the surface grinder grinds the workpiece. When the angle of the upper disc seat 5 needs to be adjusted, the screw rod 6e is rotated to make the screw rod rise and fall relative to the nut support 6d, thereby driving the lower disc seat 2 to rotate around the axis of the rotating shaft 6i, so as to adjust the angle of the central axis 3 and the upper disc seat 5, which has the advantages of convenient adjustment, good stability and guaranteed grinding accuracy.

[0043] Embodiment 2

[0044] The structure and principle of this embodiment are roughly the same as those of the first embodiment, except that: Figure 6 and 7 As shown, a swing arm 10 is provided on the base 1, and the middle part of the swing arm 10 is hinged on the base 1. A ball 11 is provided at one end of the swing arm 10, and the ball 11 can abut against the upper end surface of the upper disk seat. A locking mechanism 12 is provided between the other end of the swing arm 10 and the base 1, and when the ball 11 abuts against the upper end surface of the upper disk seat, the locking mechanism 12 can lock the other end of the swing arm 10 with the base 1. The locking mechanism 12 includes a locking block 12a and a screw 13 passing through the locking block 12a. One side of the locking block 12a is an arcuate convex surface 12b. The other end of the swing arm 10 is provided with an arcuate concave surface 10a, and the arcuate convex surface 12b is embedded in the arcuate concave surface 10a. The screw 13 passes through the swing arm 10 and is threadedly fixed to the base 1. When locking, loosen the screw 13, adjust the locking block 12a, turn the adjusting screw to adjust the angle of the lower disc seat, swing the swing arm 10 to make the ball 11 rest against the upper end surface of the upper disc seat, and tighten the screw 13. This allows the swing arm 10 to be locked at any angle, has the advantages of simple structure and convenient locking, improves the stability of the upper disc seat and ensures the grinding accuracy.

[0045] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A rotary balancing workbench, comprising a base (1), wherein a lower disc seat (2) is provided on the base (1), a central shaft (3) is axially fixedly connected to the middle of the lower disc seat (2), the central shaft (3) is coaxially arranged with the lower disc seat (2), a driving mechanism (4) capable of driving the central shaft (3) to rotate is provided on the base (1), an upper disc seat (5) located on the upper side of the lower disc seat (2) is fixedly connected to the upper end of the central shaft (3), and characterized in that: An adjustment component (6) capable of adjusting the angle of the lower disc seat (2) is provided between the base (1) and the lower disc seat (2).

2. The rotary balancing workbench according to claim 1, characterized in that: The driving mechanism (4) comprises a motor (4a) whose shell is fixedly connected to the base (1); the rotating shaft (6i) of the motor (4a) is connected to the lower end of the central shaft (3) through a synchronous belt assembly (4b).

3. The rotary balancing workbench according to claim 1, characterized in that: The adjustment assembly (6) comprises a connecting seat (6a) horizontally fixedly connected to the base (1), the connecting seat (6a) is located on one side of the central axis (3), the upper end of the connecting seat (6a) is fixedly connected to a lower connecting block (6b), the lower end surface of the lower disk seat (2) is fixedly connected to an upper connecting block (6c), the lower connecting block (6b) is axially fixedly connected to a horizontally arranged rotating shaft (6i), the rotating shaft (6i) is fixedly connected to the upper connecting block (6c), the base (1) is fixedly connected to a nut support (6d), a vertically arranged adjusting screw (6e) is threadedly connected to the nut support (6d), and the upper end of the adjusting screw (6e) abuts against the other side of the lower end surface of the lower disk body.

4. The rotary balancing workbench according to claim 3, characterized in that: The upper end surface of the adjusting screw (6e) is a convex arc surface (6f), the lower end surface of the lower disc seat (2) is provided with a concave arc surface (2b), and the convex arc surface (6f) abuts against the concave arc surface (2b).

5. The rotary balancing workbench according to claim 3, characterized in that: The connecting seat (6a), the upper connecting block (6c) and the lower connecting block (6b) are all in the shape of long strips. The upper end surface of the lower connecting block (6b) and the lower end surface of the upper connecting block (6c) are both provided with V-shaped grooves with corresponding structures and positions. The upper and lower sides of the rotating shaft (6i) are respectively embedded in the V-shaped grooves. The V-shaped grooves are arranged parallel to the edge lines of the connecting seat (6a).

6. The rotary balancing workbench according to claim 3, 4 or 5, characterized in that: The end faces of both ends of the upper connecting block (6c) are located on the inner side of the end faces of both ends of the lower connecting block (6b), and both ends of the upper connecting block (6c) are fixedly connected with a rotating shaft pressure plate (6g). The two ends of the rotating shaft pressure plate (6g) are fixedly connected to the lower connecting block (6b) by screws. The middle part of the rotating shaft pressure plate (6g) is an arc-shaped positioning groove (6h), and the outer side wall of the rotating shaft (6i) is embedded in the positioning groove (6h).

7. The rotary balancing workbench according to claim 3, 4 or 5, characterized in that: The lower end surface of the lower disc seat (2) is provided with a mounting groove (2a) matching the upper connecting block (6c), and the upper connecting block (6c) is embedded in the mounting groove (2a).

8. The rotary balancing workbench according to claim 1 or 2 or 3 or 4 or 5, characterized in that: A lower bearing seat (7) is coaxially fixedly connected to the middle part of the lower end of the lower disc seat (2), a roller bearing (8) is provided between the lower bearing seat (7) and the central axis (3), and a roller bearing (8) is provided between the lower disc seat (2) and the central axis (3).

9. The rotary balancing workbench according to claim 1 or 2 or 3 or 4 or 5, characterized in that: The base (1) comprises an upper panel (1a) and a lower panel (1b) arranged in parallel, the upper panel (1a) and the lower panel (1b) being fixedly connected via a plurality of support columns (1c), and the sides of the upper panel (1a) and the lower panel (1b) are surrounded and fixedly connected with side panels (1d).

10. The rotary balancing workbench according to claim 1 or 2 or 3 or 4 or 5, characterized in that: An annular water retaining ring (9) is fixedly connected to the upper table panel (1a), and the water retaining ring (9) is arranged around the outer side of the lower plate seat (2), and the inner side wall of the water retaining ring (9) is close to the outer side wall of the lower plate seat (2).

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