Positioning device convenient to fix

Abstract

The utility model relates to a positioning device, belongs to the technical field of machining, and particularly relates to a positioning device convenient to fix, which comprises a base, a movable seat movably mounted on the base, a fixed seat fixedly mounted at the top of the movable seat, and a positioning mechanism arranged inside the fixed seat. The positioning mechanism comprises four mounting ports, fixing blocks, transmission blocks, rotary knobs, transmission shafts and limiting rods, the four mounting ports and the four fixing blocks are formed in the four side walls of the fixing base respectively, the tops of the fixing blocks are provided with slopes, the four fixing blocks are movably mounted in the four mounting ports respectively, and the rotary knobs are movably mounted in the transmission shafts. The transmission block is arranged above the interior of the fixed seat, the knob is movably mounted at the top of the fixed seat, and the transmission shaft is fixedly mounted at the bottom of the knob; according to the positioning mechanism, the effects that motor shells of different sizes can be rapidly fixed, and the fixing position is accurate are achieved, and the problems that an existing positioning mechanism is troublesome in fixing and inaccurate in positioning are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a positioning device which is convenient for fixing. Background Art

[0002] A motor is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction. The inner shell of the motor casing is the inner cavity where the motor works. Its positioning and fixing accuracy is related to the inner cavity processing accuracy and matching accuracy, which affects the motor's operating performance.

[0003] After searching the Chinese patent with publication number CN211916158U, a fixing tool for motor housing processing is disclosed, including a base, a first clamping plate, a second clamping plate and a mounting seat, the bottom of the base is fixed with the mounting seat by bolts; a fixing plate is welded on the upper part of the base, and two threaded rotating rods are mounted on the fixing plate, one end of the threaded rotating rods are mounted in the bearing, the bearing is fixedly glued in the fixing block, and the fixing block is welded to the first clamping plate; a second clamping plate is arranged at the opposite end of the first clamping plate; a connecting plate is welded to the side wall of one end of the second clamping plate.

[0004] Based on the above search and combined with the prior art, we found that:

[0005] Since different motor casings have different sizes, the existing positioning device is troublesome when fixing the motor casing. It is impossible to quickly fix motor casings of different sizes, and the position is easily offset after fixation, resulting in processing difficulties. Utility Model Content

[0006] In order to solve the above technical problems, the utility model proposes a positioning device that is easy to fix, which can quickly fix motor casings of different sizes and accurately fix the position.

[0007] The technical solution to achieve the purpose of the utility model is: a positioning device that is easy to fix, including a base, a movable seat is movably installed on the base, a fixed seat is fixedly installed on the top of the movable seat, and a positioning mechanism is arranged inside the fixed seat;

[0008] The positioning mechanism includes an installation port, a fixed block, a transmission block, a knob, a transmission shaft and a limit rod. There are four installation ports and four fixed blocks. The four installation ports are respectively opened on the four side walls of the fixed seat. The fixed block is a block with a bevel on the top. The four fixed blocks are movably installed in the four installation ports respectively. The transmission block is arranged on the upper part of the interior of the fixed seat. The knob is movably installed on the top of the fixed seat. The transmission shaft is fixedly installed at the bottom of the knob. The transmission shaft penetrates downward through the top wall of the fixed seat and the upper and lower walls of the transmission block. The transmission shaft is threadedly connected to the transmission block. There are two limit rods in total. The two limit rods are fixedly installed in the fixed seat. The limit rods penetrate the upper and lower walls of the transmission block.

[0009] In some embodiments, an anti-sliding block is fixedly installed on the side wall surface away from the four fixed blocks, and a limiting groove is provided on the top wall surface of the movable seat corresponding to the position of the fixed block, and a limiting block fixedly connected to the fixed block is movably installed inside the limiting groove.

[0010] In some embodiments, the top wall of the base is provided with a mounting groove that is the same size as the movable seat, and the movable seat is movably installed inside the mounting groove, and a mounting bearing is inlaid and installed at the bottom of the mounting groove, and a mounting shaft is fixedly installed on the inner ring of the mounting bearing. The movable seat is movably installed on the base through the mounting bearing and the mounting shaft, and a connecting block is fixedly installed on the top of the mounting shaft. A connecting groove is provided on the bottom wall of the movable seat at a position corresponding to the connecting block, and the top of the mounting shaft is movably connected to the bottom wall of the movable seat through the connecting block and the connecting groove.

[0011] In some embodiments, a driving motor is fixedly mounted on the bottom wall of the base, the output end of the driving motor is fixedly connected to the mounting shaft, support legs are fixedly mounted at the four corners of the bottom wall of the base, and support feet are fixedly mounted on the bottom of the support legs.

[0012] Compared with the prior art, the present invention has the following significant advantages:

[0013] The utility model is provided with a positioning mechanism. When fixing the motor housing, the motor housing is sleeved on the fixed seat, and the knob is rotated. The knob drives the transmission shaft to rotate, and the transmission shaft is threadedly connected with the transmission block. Under the limit of the two limit rods, the transmission block will be driven to move downward, and the movement of the transmission block will squeeze the fixed block. After being squeezed, the four fixed blocks will move to the outside of the fixed seat, and then squeeze and fix the inner wall of the motor housing. At the same time, because the movement of the four fixed blocks is synchronous, the motor housing will be fixed at the center position of the movable seat, and the center of the motor housing is consistent with the center of the movable seat, so as to achieve the effect of quickly fixing motor housings of different sizes and accurately fixing the position;

[0014] The problem of troublesome fixing and inaccurate positioning of the existing positioning mechanism is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0016] Figure 1 It is a schematic diagram of the main structure provided in one embodiment of the utility model;

[0017] Figure 2 It is a partial structural internal cross-sectional view provided in one embodiment of the utility model;

[0018] Figure 3 This is a main structural breakdown diagram provided in one embodiment of the utility model;

[0019] Figure 4 It is a schematic diagram of the bottom structure of a base provided in one embodiment of the utility model.

[0020] Description of reference numerals:

[0021] 1. Base; 2. Movable seat; 3. Fixed seat; 4. Mounting port; 5. Fixed block; 6. Transmission block; 7. Knob; 8. Transmission shaft; 9. Limit rod; 10. Anti-sliding block; 11. Limit groove; 12. Limit block; 13. Mounting groove; 14. Mounting bearing; 15. Mounting shaft; 16. Connecting block; 17. Connecting groove; 18. Driving motor; 19. Support leg; 20. Support foot. DETAILED DESCRIPTION

[0022] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides a positioning device that is easy to fix through improvement. The technical solution of the utility model is:

[0024] like Figure 1 As shown, a positioning device convenient for fixing includes a base 1, the base 1 is a rectangular plate, a movable seat 2 is movably mounted on the base 1, the movable seat 2 is a circular structure, a fixed seat 3 is fixedly mounted on the top of the movable seat 2, the fixed seat 3 is a hollow structure, and a positioning mechanism is arranged inside the fixed seat 3;

[0025] like Figure 2As shown, the positioning mechanism includes a mounting port 4, a fixed block 5, a transmission block 6, a knob 7, a transmission shaft 8 and a limiting rod 9. There are four mounting ports 4 and four fixed blocks 5. The mounting port 4 is a groove of a rectangular structure. The four mounting ports 4 are respectively opened on the four side walls of the fixed seat 3. The fixed block 5 is a block with an inclined surface on the top. The four fixed blocks 5 are movably installed in the four mounting ports 4 respectively. The transmission block 6 is a block of a rectangular structure. The transmission block 6 is arranged above the inside of the fixed seat 3, and the bottom of the transmission block 6 is in contact with the inclined surface of the fixed block 5. The knob 7 is movably installed on the top of the fixed seat 3. The transmission shaft 8 is a cylindrical structure with threads. The transmission shaft 8 is fixedly installed at the bottom of the knob 7, and the transmission shaft 8 penetrates downwardly through the top wall of the fixed seat 3 and the upper and lower walls of the transmission block 6. The transmission shaft 8 and the transmission block 6, there are two limit rods 9, both of which are fixedly mounted on the top wall inside the fixing seat 3 and penetrate the upper and lower walls of the transmission block 6. When fixing the motor housing, the motor housing is sleeved on the fixing seat 3, and the knob 7 is rotated. The knob 7 drives the transmission shaft 8 to rotate, and the transmission shaft 8 is threadedly connected to the transmission block 6. Under the limitation of the two limit rods 9, the transmission block 6 will be driven to move downward, and the movement of the transmission block 6 will squeeze the fixed block 5. After being squeezed, the four fixed blocks 5 will move to the outside of the fixing seat 3, and then squeeze and fix the inner wall of the motor housing. At the same time, since the movement of the four fixed blocks 5 is synchronous, the motor housing will be fixed at the center position on the movable seat 2, and the center of the motor housing is consistent with the center of the movable seat 2.

[0026] like Figure 2 As shown, in one embodiment, an anti-sliding block 10 is fixedly installed on the side wall surface away from each other of the four fixing blocks 5. The anti-sliding block 10 is a block made of rubber. The anti-sliding block 10 can increase the friction between the motor housing and avoid the wear of the motor housing caused by rigid contact.

[0027] A limiting groove 11 is provided on the top wall surface of the movable seat 2 at a position corresponding to the fixed block 5. The limiting groove 11 is a groove of a rectangular structure. A limiting block 12 is movably installed inside the limiting groove 11. The limiting block 12 is fixedly connected to the fixed block 5, so that when the fixed block 5 moves, the limiting block 12 will also move inside the limiting groove 11 to limit the fixed block 5, thereby preventing the fixed block 5 from falling off from the fixed seat 3.

[0028] like Figure 3As shown, in one embodiment, a mounting groove 13 having the same size as the movable seat 2 is provided on the top wall of the base 1, the mounting groove 13 is a circular groove, the movable seat 2 is movably mounted inside the mounting groove 13, a mounting bearing 14 is inlaid and installed at the bottom of the mounting groove 13, the mounting bearing 14 is a circular ring structure, a mounting shaft 15 is fixedly installed on the inner ring of the mounting bearing 14, and the movable seat 2 is movably mounted on the base 1 through the mounting bearing 14 and the mounting shaft 15;

[0029] A connecting block 16 is fixedly installed on the top of the mounting shaft 15. The connecting block 16 is a block with a rectangular structure. A connecting groove 17 is opened on the bottom wall of the movable seat 2 at a position corresponding to the connecting block 16. The connecting groove 17 is a rectangular groove adapted to the connecting block 16. The top of the mounting shaft 15 and the bottom wall of the movable seat 2 are movably connected through the connecting block 16 and the connecting groove 17, so that the movable seat 2 can rotate on the base 1, which is convenient for processing the motor housing.

[0030] like Figure 4 As shown, in one embodiment, a driving motor 18 is fixedly mounted on the bottom wall of the base 1, and the output end of the driving motor 18 is fixedly connected to the mounting shaft 15. When the driving motor 18 is started, the driving motor 18 can drive the movable base 2 and the motor housing fixed on the movable base 2 to rotate at a high speed;

[0031] Support legs 19 are fixedly installed at the four corners of the bottom wall of the base 1. The support legs 19 are cylindrical structures, and support feet 20 are fixedly installed at the bottom of the support legs 19. The support legs 19 and the support feet 20 can raise and support the position of the base 1.

[0032] The specific working methods are:

[0033] By providing a positioning mechanism, when fixing the motor housing, the motor housing is sleeved on the fixed seat 3, and the knob 7 is rotated. The knob 7 drives the transmission shaft 8 to rotate, and the transmission shaft 8 is threadedly connected to the transmission block 6. Under the limit of the two limit rods 9, the transmission block 6 will be driven to move downward, and the movement of the transmission block 6 will squeeze the fixed block 5. After being squeezed, the four fixed blocks 5 will move to the outside of the fixed seat 3, and then squeeze and fix the inner wall of the motor housing. At the same time, since the movement of the four fixed blocks 5 is synchronous, the motor housing will be fixed in the center position on the movable seat 2, and the center of the motor housing is consistent with the center of the movable seat 2, so as to achieve the effect of quickly fixing motor housings of different sizes, and the fixing position is accurate.

[0034] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.

Claims

1. A positioning device that is easy to fix, comprising a base (1), a movable seat (2) movably mounted on the base (1), a fixed seat (3) fixedly mounted on the top of the movable seat (2), characterized in that: A positioning mechanism is provided inside the fixing seat (3); The positioning mechanism comprises a mounting opening (4), a fixing block (5), a transmission block (6), a knob (7), a transmission shaft (8) and a limiting rod (9). There are four mounting openings (4) and four fixing blocks (5). The four mounting openings (4) are respectively arranged on four side walls of the fixing seat (3). The fixing block (5) is a block with an inclined surface on the top. The four fixing blocks (5) are respectively movably mounted inside the four mounting openings (4). The transmission block (6) is arranged above the inside of the fixing seat (3). The knob (7) is movably mounted on the top of the fixing seat (3). The transmission shaft (8) is fixedly mounted on the bottom of the knob (7). There are two limiting rods (9) in total. Both limiting rods (9) are fixedly mounted inside the fixing seat (3).

2. A positioning device for easy fixation according to claim 1, characterized in that: The transmission shaft (8) penetrates downwardly through the top wall surface of the fixing seat (3) and the upper and lower wall surfaces of the transmission block (6); the transmission shaft (8) and the transmission block (6) are threadedly connected; and the limiting rod (9) penetrates through the upper and lower wall surfaces of the transmission block (6).

3. A positioning device for easy fixation according to claim 1, characterized in that: An anti-sliding block (10) is fixedly mounted on the side wall surface of the four fixed blocks (5) that are away from each other.

4. A positioning device for easy fixation according to claim 1, characterized in that: A limiting groove (11) is provided on the top wall surface of the movable seat (2) at a position corresponding to the fixed block (5), and a limiting block (12) fixedly connected to the fixed block (5) is movably installed inside the limiting groove (11).

5. A positioning device for easy fixation according to claim 1, characterized in that: The top wall of the base (1) is provided with a mounting groove (13) of the same size as the movable seat (2); the movable seat (2) is movably mounted inside the mounting groove (13); a mounting bearing (14) is embedded and mounted on the bottom of the mounting groove (13); a mounting shaft (15) is fixedly mounted on the inner ring of the mounting bearing (14); and the movable seat (2) is movably mounted on the base (1) via the mounting bearing (14) and the mounting shaft (15).

6. A positioning device for easy fixation according to claim 5, characterized in that: A connecting block (16) is fixedly mounted on the top of the installation shaft (15), and a connecting groove (17) is provided on the bottom wall of the movable seat (2) at a position corresponding to the connecting block (16). The top of the installation shaft (15) and the bottom wall of the movable seat (2) are movably connected via the connecting block (16) and the connecting groove (17).

7. A positioning device for easy fixation according to claim 1, characterized in that: A driving motor (18) is fixedly mounted on the bottom wall of the base (1), and an output end of the driving motor (18) is fixedly connected to the mounting shaft (15). Support legs (19) are fixedly mounted at the four corners of the bottom wall of the base (1), and a supporting foot (20) is fixedly mounted at the bottom of the supporting leg (19).

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