Clamping seat for driving bidirectional main shaft in built-in torque motor

Abstract

The utility model belongs to the technical field of motors, and particularly relates to a built-in torque motor middle driving bidirectional main shaft clamping seat, which comprises a clamping seat main body, an installation cavity is arranged on the clamping seat main body, and an inner ring bulge is formed on the inner side of the installation cavity; the built-in motor assembly is arranged in the mounting cavity and is matched above the inner ring bulge; the main shaft clamping assembly is connected to the built-in motor assembly and is used for clamping a motor main shaft; the fixing assembly is arranged in the mounting cavity and fixes the main shaft clamping assembly and the clamping seat main body; wherein the inner ring protrusion divides the mounting cavity into a first mounting cavity and a second mounting cavity, and a through hole is formed in the inner ring protrusion.

Description

Technical Field

[0001] The utility model belongs to the technical field of motors, and in particular relates to a bidirectional main shaft clamping seat driven by a built-in torque motor. Background Art

[0002] An electric motor (commonly known as a "motor") is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction. It is divided into electric motors (symbol: M) and generators (symbol: G);

[0003] The existing motors are generally composed of an external body (housing or stator) and a rotor that rotates inside the body through bearings. The motors used in industrial environments are relatively large in size. When assembling them on equipment, they need to be fixed with a motor seat, which causes the motor to occupy too much space during use. It is easy for the assembly to be limited due to the size during the assembly process. Therefore, we have specially designed a built-in torque motor to drive a bidirectional spindle clamp. Utility Model Content

[0004] The purpose of the utility model is to provide a bidirectional main shaft clamping seat driven by a built-in torque motor in order to solve the above-mentioned technical problems, thereby achieving the effect of saving installation space.

[0005] In view of this, the utility model provides a bidirectional spindle clamping seat driven by a built-in torque motor, comprising:

[0006] A clamp seat body, wherein a mounting cavity is provided on the clamp seat body, and an inner ring protrusion is formed on the inner side of the mounting cavity;

[0007] A built-in motor assembly is arranged in the installation cavity and fits above the inner ring protrusion;

[0008] A spindle clamping assembly, which is connected to the built-in motor assembly and is used to clamp the motor spindle;

[0009] A fixing component is arranged in the installation cavity and fixes the main shaft clamping component and the clamp seat body; wherein the inner ring protrusion divides the installation cavity into a first installation cavity and a second installation cavity, and a through hole is formed on the inner ring protrusion.

[0010] In the above technical solution, further, the built-in motor assembly includes:

[0011] A stator, which is arranged in the first installation cavity;

[0012] A rotor, which is arranged in the first installation cavity and is located inside the stator;

[0013] Wherein, the main shaft clamping assembly cooperates with the rotor.

[0014] In the above technical solution, further, the spindle clamping assembly includes:

[0015] A connecting sleeve, the connecting sleeve comprising a first connecting sleeve and a second connecting sleeve;

[0016] A clamping sleeve, the clamping sleeve comprising a first clamping sleeve and a second clamping sleeve;

[0017] Wherein, a connecting end is provided at one end of the first connecting sleeve, a connecting groove is provided at one end of the second connecting sleeve, and the connecting end is threadedly matched with the connecting groove;

[0018] The first clamping sleeve is arranged on the first connecting sleeve, and the second clamping sleeve is arranged on the second connecting sleeve.

[0019] In the above technical solution, further, the fixing component includes:

[0020] Front end cap;

[0021] Rear end cap;

[0022] first bushing;

[0023] Second bushing;

[0024] Connect components;

[0025] Wherein, the first bushing is arranged on the first clamping sleeve and is fixed after the front end cover is connected to the first mounting cavity, and the second bushing is arranged on the second clamping sleeve and is fixed after the rear end cover is connected to the second mounting cavity;

[0026] The connecting component is connected to the outside of the second bushing and is located in the second installation cavity, and the fixing component connects the first bushing and the second bushing together.

[0027] In the above technical solution, further, the connection component includes:

[0028] The card seat has a through hole formed on it, an edge is provided on one side of the card seat, and the edge extends into the opening of the inner ring protrusion, and an annular protrusion is provided on the other side of the card seat

[0029] A snap ring, the snap ring is arranged in the through hole, a first keyway is arranged on the snap ring, a second keyway is arranged on the first bushing, and a third keyway is arranged on the second bushing;

[0030] A gasket ring is arranged on the outside of the annular protrusion and fills the gap between the annular protrusion and the connecting surface of the rear end cover;

[0031] Wherein, a connecting hole is arranged on the end surface of the annular protrusion, and a retaining ring is connected to the end surface of the annular protrusion;

[0032] The clamping ring fixes the first bushing and the second bushing together through a clamping key.

[0033] In the above technical solution, further, it also includes:

[0034] The first bearing is arranged outside the first bushing and cooperates with the front end cover.

[0035] In the above technical solution, further, it also includes:

[0036] The second bearing is arranged on the inner wall surface of the annular protrusion and cooperates with the second bushing.

[0037] The beneficial effects of the utility model are as follows: by setting up a built-in motor assembly, space can be effectively saved, thereby facilitating use, and after the spindle is connected to the spindle clamping assembly, both ends of the spindle extend on both sides of the clamping seat body, thereby forming two output ends, which helps to improve output efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a schematic diagram of the structure of one side of the utility model;

[0039] Figure 2 It is a structural schematic diagram of another side of the utility model;

[0040] Figure 3 It is a cross-sectional schematic diagram of the utility model;

[0041] Figure 4 It is a schematic diagram of the clamping seat body of the utility model;

[0042] Figure 5 It is a schematic diagram of one side of the fixing component of the utility model;

[0043] Figure 6 It is a schematic diagram of the other side of the fixing assembly of the utility model;

[0044] Figure 7 It is a schematic diagram of the main shaft clamping assembly of the utility model;

[0045] Figure 8 It is a schematic diagram of the card holder of the utility model;

[0046] The markings in the figure are as follows: 1. clamping seat body; 11. inner ring protrusion; 12. first installation cavity; 13. second installation cavity; 2. built-in motor assembly; 21. stator; 22. rotor; 3. spindle clamping assembly; 31. connecting sleeve; 311. first connecting sleeve; 3111. first connecting end; 312. second connecting sleeve; 32. clamping sleeve; 321. first clamping sleeve; 322. second clamping sleeve; 4. fixing assembly; 41. front end cover; 411. second keyway; 42. rear end cover; 421. third keyway; 43. first bushing; 44. second bushing; 45. connecting assembly; 451. clamping seat; 4511. edge; 4512. annular protrusion; 452. retaining ring; 4521. first keyway; 453. gasket; 454. retaining ring; 5. retaining ring; 6. first bearing; 7. second bearing. DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0048] Embodiment 1:

[0049] This embodiment provides a bidirectional spindle clamping seat driven by a built-in torque motor, which is characterized by comprising:

[0050] A clamp seat body 1, wherein a mounting cavity is provided on the clamp seat body 1, and an inner ring protrusion 11 is formed inside the mounting cavity;

[0051] The built-in motor assembly 2 is arranged in the installation cavity and fits above the inner ring protrusion 11;

[0052] A spindle clamping assembly 3, which is connected to the built-in motor assembly 2 and is used to clamp the motor spindle;

[0053] A fixing assembly 4, which is disposed in the mounting cavity and fixes the spindle clamping assembly 3 and the clamping seat body 1;

[0054] The inner ring protrusion 11 divides the installation cavity into a first installation cavity 12 and a second installation cavity 13 , and a through hole is formed on the inner ring protrusion 11 .

[0055] It can be seen from this embodiment that a bidirectional spindle clamping seat driven by a built-in torque motor includes a clamping seat body 1, a built-in motor component 2 and a spindle clamping component 3;

[0056] The clamp seat body 1 is made of an integral casting, and a mounting cavity is opened on the clamp seat body 1. An inner ring protrusion 11 is arranged on the inner wall surface of the mounting cavity, and the inner ring protrusion 11 divides the mounting cavity into a first mounting cavity 12 and a second mounting cavity 13;

[0057] The fixing assembly 4 is connected in the installation cavity and cooperates with the inner ring protrusion 11, the spindle clamping assembly 3 is connected to the main body fixing assembly 4, and the spindle clamping assembly 3 extends from the first installation cavity 12 through the through hole to the second installation cavity 13 (the spindle clamping assembly 3 extends to the port part of the first installation cavity 12 and the second installation cavity 13), and the built-in motor assembly 2 is installed in the first installation cavity 12 and cooperates with a section of the spindle clamping assembly 3 extending in the first installation cavity 12;

[0058] By setting it in a built-in motor assembly, space can be effectively saved, which is convenient for use. After the spindle is connected to the spindle clamping assembly 3, both ends of the spindle extend on both sides of the clamp seat body 1, thereby forming two output ends, which helps to improve the output efficiency.

[0059] Embodiment 2:

[0060] This embodiment provides a bidirectional spindle clamp driven by a built-in torque motor. In addition to the technical solutions of the above embodiments, it also has the following technical features.

[0061] The built-in motor assembly 2 includes:

[0062] A stator 21, which is disposed in the first mounting cavity 12;

[0063] The rotor 22 is disposed in the first mounting cavity 12 and is located inside the stator 21;

[0064] The main shaft clamping assembly 3 cooperates with the rotor 22 .

[0065] It can be seen from this embodiment that the built-in motor assembly 2 includes a stator 21 and a rotor 22;

[0066] The stator 21 is fixedly connected to the first installation cavity 12 by bolts and abuts against the inner ring protrusion 11. The rotor 22 is installed inside the stator 21.

[0067] When in use, the rotor 22 and the stator 21 cooperate with each other in the first installation cavity 12, and the spindle clamping assembly 3 is controlled to move by the rotor 22, thereby achieving the effect of driving the spindle.

[0068] Embodiment 3:

[0069] This embodiment provides a bidirectional spindle clamp driven by a built-in torque motor. In addition to the technical solutions of the above embodiments, it also has the following technical features.

[0070] The spindle clamping assembly 3 comprises:

[0071] A connecting sleeve 31, the connecting sleeve 31 comprises a first connecting sleeve 311 and a second connecting sleeve 312;

[0072] A clamping sleeve 32, the clamping sleeve 32 comprises a first clamping sleeve 321 and a second clamping sleeve 322;

[0073] Among them, a connecting end is provided at one end of the first connecting sleeve 311, and a connecting groove is provided at one end of the second connecting sleeve 312, and the connecting end is threadedly matched with the connecting groove;

[0074] The first clamping sleeve 321 is disposed on the first connecting sleeve 311 , and the second clamping sleeve 322 is disposed on the second connecting sleeve 312 .

[0075] It can be seen from this embodiment that the spindle clamping assembly 3 includes a connecting sleeve 31 and a clamping sleeve 32;

[0076] The connecting sleeve 31 includes a first connecting sleeve 311 and a second connecting sleeve 312 , and the clamping sleeve 32 includes a first clamping sleeve 321 and a second clamping sleeve 322 ;

[0077] A connecting end is formed at one end of the first connecting sleeve 311, and a connecting groove is formed at the other end of the second connecting sleeve 312. Both the connecting end and the connecting groove are provided with threads. The connecting end and the connecting groove are matched with the threads to fix the first connecting sleeve 311 and the second connecting sleeve 312 together, thereby facilitating manufacturing and assembly.

[0078] The first clamping sleeve 321 is movably connected to the other end of the first connecting sleeve 311, and the second clamping sleeve 322 is movably connected to the other end of the second connecting sleeve 312. The first connecting sleeve 311 and the first clamping sleeve 321 and the second connecting sleeve 312 and the second connecting sleeve 312 are movably connected to facilitate assembly and use;

[0079] When in use, the first clamping sleeve 321, the first connecting sleeve 311, the second connecting sleeve 312 and the second clamping sleeve 322 are connected together in sequence to form a main shaft clamp, and are connected to the installation cavity after cooperating with the fixing component 4, and the first clamping sleeve 321 is in the first installation cavity 12, and the second clamping sleeve 322 is in the second installation cavity 13. Furthermore, the first clamping sleeve 321 and the second clamping sleeve 322 both extend to the opening parts of the first installation cavity 12 and the second installation cavity 13, so as to facilitate the connection of the main shaft when in use.

[0080] Embodiment 4:

[0081] This embodiment provides a bidirectional spindle clamp driven by a built-in torque motor. In addition to the technical solutions of the above embodiments, it also has the following technical features.

[0082] The fixing assembly 4 comprises:

[0083] Front end cover 41;

[0084] rear end cap 42;

[0085] A first bushing 43;

[0086] A second bushing 44;

[0087] Connecting assembly 45;

[0088] The first bushing 43 is disposed on the first clamping sleeve 321 and is fixed after the front end cover 41 is connected to the first mounting cavity 12, and the second bushing 44 is disposed on the second clamping sleeve 322 and is fixed after the rear end cover 42 is connected to the second mounting cavity 13;

[0089] The connecting component 45 is connected to the outside of the second bushing 44 and is located in the second installation cavity 13 , and the fixing component 4 connects the first bushing 43 and the second bushing 44 together.

[0090] It can be seen from this embodiment that the fixing assembly 4 includes a front end cover 41, a rear end cover 42, a first bushing 43, a second bushing 44 and a connecting assembly 45;

[0091] A skirt is formed at one end of the outer side of the first bushing 43, and a retaining ring 5 is arranged on the inner side of the skirt. The retaining ring 5 is connected to the front end cover 41. After the front end cover 41 is matched with the first installation cavity 12, the retaining ring 5 is matched with the first bushing 43, and the first bushing 43 is limited and fixed. The second bushing 44 is connected to the outer side of the second clamping sleeve 322 and is matched to the first bushing 43 through the connecting component 45. The rear end cover 42 is matched with the second installation cavity 13 and connected to the outer side of the second bushing 44.

[0092] The first bushing 43 and the second bushing 44 are connected together through the connecting assembly 45, thereby forming an independent chamber in the installation cavity for connecting the spindle clamping assembly 3, thereby protecting the spindle clamping assembly 3, helping to reduce the wear of the spindle clamping assembly 3 and thus extending its service life.

[0093] Embodiment 5:

[0094] This embodiment provides a bidirectional spindle clamp driven by a built-in torque motor. In addition to the technical solutions of the above embodiments, it also has the following technical features.

[0095] The connection assembly 45 comprises:

[0096] The card base 451 has a second through hole formed thereon, and one side of the card base 451 is provided with an edge 4511, which extends into the opening of the inner ring protrusion 11, and the other side of the card base 451 is provided with an annular protrusion 4512

[0097] A snap ring 452, which is disposed in the second through hole, and is provided with a first key groove 4521, and the first bushing 43 is provided with a second key groove 411, and the second bushing 44 is provided with a third key groove 421;

[0098] The gasket 453 is arranged on the outside of the annular protrusion 4512 and fills the gap between the annular protrusion 4512 and the connecting surface of the rear end cover 42;

[0099] The end surface of the annular protrusion 4512 is connected with a retaining ring 454, and the retaining ring 454 limits the first bushing 43;

[0100] The clamping ring 452 fixes the first bushing 43 and the second bushing 44 together by means of a clamping key.

[0101] It can be seen from this embodiment that the connection assembly 45 includes a clamping seat 451, a clamping ring 452 and a gasket 453;

[0102] A through hole is formed on the base 451, and the second bushing 44 is matched with the inner side of the through hole, and an edge 4511 is arranged on the end face of one side of the base 451, and the edge 4511 is located outside the through hole and extends to the inner ring protrusion 11, the first bushing 43 extends from the first installation cavity 12 to the edge 4511, and the second bushing 44 has a second installation cavity 13 extending to the annular protrusion 4512, and a retaining ring 454 is connected to the end face of the annular protrusion 4512, and the retaining ring 454 is matched with the annular protrusion 4512 to fix the second bushing 44 to the annular protrusion 4512, and after the first installation cavity 12 is connected to the front end cover 41, the fixing assembly 4 is fixed in the installation cavity;

[0103] The snap ring 452 is arranged between the connecting mating surfaces of the first bushing 43 and the second bushing 44, and the mating ends of the second bushing 44 and the first bushing 43 are in the shape of a stepped shaft. The snap ring 452 is connected to the small end of the second bushing 44, and is limited and fixed between the first bushing 43 and the second bushing 44 after the second bushing 44 is matched with the first bushing 43. Further, a first keyway 4521 is arranged on the snap ring 452, and the first bushing 43 is correspondingly provided with a second keyway 411, and the second bushing 44 is correspondingly provided with a third keyway 421. After the first bushing 43, the second bushing 44 and the snap ring 452 are matched in sequence, they are fixed by a key. Further, the number of the snap rings 452 is specifically set according to the specific distance between the large end of the second bushing 44 and the first bushing 43;

[0104] The gasket 453 is arranged on the outer side of the annular protrusion 4512. When the rear end cover 42 is matched with the second installation cavity 13, the gasket 453 fills the gap between the rear end cover 42 and the annular protrusion 4512, thereby making the structure tight and stable.

[0105] Embodiment 6:

[0106] This embodiment provides a bidirectional spindle clamp driven by a built-in torque motor. In addition to the technical solutions of the above embodiments, it also has the following technical features.

[0107] The first bearing 6 is arranged outside the first bushing 43 and cooperates with the front end cover 41 .

[0108] It can be seen from the present embodiment that the first bearing 6 is arranged between the first bushing 43 and the mating surface of the front end cover 41 extending into one end of the first mounting cavity 12. When in use, the first bearing 6 plays a role in reducing the friction of the mating surface between the fixing component 4 and the front end cover 41, thereby improving the transmission effect of the main shaft.

[0109] Embodiment 7:

[0110] This embodiment provides a bidirectional spindle clamp driven by a built-in torque motor. In addition to the technical solutions of the above embodiments, it also has the following technical features.

[0111] The second bearing 7 is arranged on the inner wall surface of the annular protrusion 4512 and cooperates with the second bushing 44 .

[0112] It can be seen from this embodiment that the second bearing 7 seat is arranged between the annular protrusion 4512 and the second bushing 44, which plays a role in reducing the friction between the seat 451 and the second bushing 44, thereby improving the transmission effect of the main shaft.

[0113] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A bidirectional spindle holder driven by a built-in torque motor, characterized in that: include: A clamp seat body (1), wherein the clamp seat body (1) is provided with a mounting cavity, and an inner ring protrusion (11) is formed on the inner side of the mounting cavity; A built-in motor component (2), wherein the built-in motor component (2) is arranged in the installation cavity and fits above the inner ring protrusion (11); A spindle clamping assembly (3), the spindle clamping assembly (3) is connected to the built-in motor assembly (2) and is used to clamp the motor spindle; A fixing assembly (4), wherein the fixing assembly (4) is arranged in the installation cavity and fixes the main shaft clamping assembly (3) and the clamping seat body (1); The inner ring protrusion (11) divides the installation cavity into a first installation cavity (12) and a second installation cavity (13), and a through hole is formed on the inner ring protrusion (11).

2. According to claim 1, a bidirectional main shaft holder driven by a built-in torque motor, characterized in that: The built-in motor assembly (2) includes: A stator (21), wherein the stator (21) is arranged in the first installation cavity (12); A rotor (22), wherein the rotor (22) is arranged in the first installation cavity (12) and is located on the inner side of the stator (21); Wherein, the main shaft clamping assembly (3) cooperates with the rotor (22).

3. The bidirectional spindle holder driven by a built-in torque motor according to claim 2 is characterized in that: The spindle clamping assembly (3) comprises: A connecting sleeve (31), wherein the connecting sleeve (31) comprises a first connecting sleeve (311) and a second connecting sleeve (312); A clamping sleeve (32), wherein the clamping sleeve (32) comprises a first clamping sleeve (321) and a second clamping sleeve (322); Wherein, one end of the first connecting sleeve (311) is provided with a connecting end, one end of the second connecting sleeve (312) is provided with a connecting groove, and the connecting end is threadedly matched with the connecting groove; Wherein, the first clamping sleeve (321) is arranged on the first connecting sleeve (311), and the second clamping sleeve (322) is arranged on the second connecting sleeve (312).

4. The bidirectional spindle holder driven by a built-in torque motor according to claim 3 is characterized in that: The fixing assembly (4) comprises: Front end cover (41); Rear end cover (42); A first bushing (43); A second bushing (44); Connecting assembly (45); The first bushing (43) is arranged on the first clamping sleeve (321) and is fixed after the front end cover (41) is connected to the first installation cavity (12), and the second bushing (44) is arranged on the second clamping sleeve (322) and is fixed after the rear end cover (42) is connected to the second installation cavity (13); The connecting assembly (45) is connected to the outside of the second bushing (44) and is located in the second installation cavity (13), and the fixing assembly (4) connects the first bushing (43) and the second bushing (44) together.

5. The bidirectional spindle holder driven by a built-in torque motor according to claim 4 is characterized in that: The connection assembly (45) comprises: A card seat (451), wherein a through hole is formed on the card seat (451), an edge (4511) is provided on one side of the card seat (451), and the edge (4511) extends into the opening of the inner ring protrusion (11), and an annular protrusion (4512) is provided on the other side of the card seat (451) A snap ring (452), wherein the snap ring (452) is arranged in the through hole, the snap ring (452) is provided with a first keyway (4521), the first bushing (43) is provided with a second keyway (411), and the second bushing (44) is provided with a third keyway (421); A gasket (453), wherein the gasket (453) is arranged on the outside of the annular protrusion (4512) and fills the gap between the annular protrusion (4512) and the connecting surface of the rear end cover (42); Wherein, a connection hole is provided on the end surface of the annular protrusion (4512), and a retaining ring (454) is connected to the end surface of the annular protrusion (4512); The clamping ring (452) fixes the first bushing (43) and the second bushing (44) together by means of a clamping key.

6. The bidirectional spindle holder driven by the built-in torque motor according to claim 5, characterized in that: include: A first bearing (6), wherein the first bearing (6) is arranged outside the first bushing (43) and cooperates with the front end cover (41).

7. The bidirectional spindle holder driven by the built-in torque motor according to claim 6 is characterized in that: include: The second bearing (7) is arranged on the inner wall surface of the annular protrusion (4512) and cooperates with the second bushing (44).

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