CN216503680U - Automatic locking device of double-sided machine tool spindle clamp - Google Patents
Automatic locking device of double-sided machine tool spindle clamp Download PDFInfo
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- CN216503680U CN216503680U CN202123183836.4U CN202123183836U CN216503680U CN 216503680 U CN216503680 U CN 216503680U CN 202123183836 U CN202123183836 U CN 202123183836U CN 216503680 U CN216503680 U CN 216503680U
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- connecting seat
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Abstract
The utility model discloses an automatic locking device for a spindle clamp of a double-sided machine tool. The connecting seat is hollow; the air cylinder is arranged at one port of the connecting seat; the motor is arranged at the other port of the connecting seat. The piston rod is arranged in the cylinder. The rear end of the movable outer sleeve is internally tangent to the inner wall of the connecting seat, the rear end of the movable outer sleeve is externally tangent to the fixed inner sleeve, and the outer surface of the fixed inner sleeve transmits torque to the inner surface of the movable outer sleeve; the fixed inner sleeve is fixed on a main shaft of the motor. The front end of the movable outer sleeve penetrates through the piston rod and is fixedly connected with the connecting block; the front end face of the connecting block is provided with a groove. The cylinder drives the movable outer sleeve to slide back and forth in the connecting seat through the piston, and the motor rotates the movable outer sleeve through the fixed inner sleeve. According to the utility model, the cylinder positioning and the motor rotation locking are adopted, the execution is respectively carried out, the execution is rapid and accurate, the automation degree is high, and the manual operation is reduced.
Description
Technical Field
The utility model relates to the field of machine tools, in particular to an automatic locking device for a spindle clamp of a double-sided machine tool.
Background
Machine tools are devices for turning a rotating workpiece mainly with a lathe tool, and are generally classified into metal cutting machines, forging machines, woodworking machines, and the like. The machine tool mainly comprises a supporting component, a speed change mechanism, a feeding mechanism, a spindle box, a lubricating system and the like. The methods for machining machine parts in modern machine manufacturing are numerous: in addition to cutting, casting, forging, welding, pressing, extruding, etc., however, in general, a part requiring high precision and fine surface roughness is finished by cutting on a machine tool. The machine tool plays an important role in the construction of national economy modernization, and the machine tool mainly forms a finished equipment system through processing equipment such as a lathe machine tool, a milling machine, a drilling machine and the like. The double-sided machine tool can simultaneously machine two sides of a workpiece by one-time clamping, and has higher machining efficiency compared with a common machine tool.
Most of clamps of the existing machine tool are manually or semi-automatically controlled, so that the clamping efficiency and the clamping precision cannot be effectively controlled.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automatic locking device for a spindle clamp of a double-sided machine tool, which can solve one or more of the technical problems.
In order to achieve the purpose, the technical scheme provided by the utility model is as follows:
an automatic locking device for a spindle clamp of a double-sided machine tool comprises a connecting seat, a cylinder, a motor, a piston rod, a connecting block, a movable outer sleeve and a fixed inner sleeve.
The connecting seat is hollow; the air cylinder is arranged at one port of the connecting seat; the motor is arranged at the other port of the connecting seat.
The piston rod is installed in the cylinder. The rear end of the movable outer sleeve is internally tangent to the inner wall of the connecting seat, the rear end of the movable outer sleeve is externally tangent to the fixed inner sleeve, and the outer surface of the fixed inner sleeve transmits torque to the inner surface of the movable outer sleeve; the fixed inner sleeve is fixed on a main shaft of the motor.
The front end of the movable outer sleeve penetrates through the piston rod and is fixedly connected with the connecting block; the front end face of the connecting block is provided with a groove.
The cylinder drives the movable outer sleeve to slide back and forth in the connecting seat through the piston, and the motor rotates the movable outer sleeve through the fixed inner sleeve.
Further: the fixed inner sleeve comprises a cylinder, and convex keys are arranged on the outer surface of the cylinder at equal positions.
Further: the movable outer sleeve comprises a body and a connecting rod; the front end of the body is provided with a flange which is internally tangent to the inner wall of the connecting seat; the connecting rod is arranged in the middle of the flange.
Further: the length of the piston rod is shorter than that of the connecting rod, so that the front end of the piston rod abuts against the rear end of the connecting block, and the rear end of the piston rod abuts against the flange end face of the movable outer sleeve.
Further: the groove is a hexagonal groove, and a hexagonal wrench is arranged in the groove.
Further: the piston rod comprises a piston and a rod body, the piston is mounted on the rod body, and the piston and the inner wall of the cylinder are provided with dynamic seals; the cylinder includes two gas ports, and two gas ports are located respectively the both sides of piston.
Further: the side face of the workpiece rotating body is provided with a bolt inlet, the inside of the workpiece rotating body is provided with a clamping block, and the front end face of the bolt is abutted to the clamping block.
Further: the length of the fixed inner sleeve is smaller than the length of the inner part of the movable outer sleeve where the fixed inner sleeve is located.
Further: the motor is a servo motor.
The utility model has the technical effects that:
according to the utility model, the cylinder positioning and the motor rotation locking are adopted, the execution is respectively carried out, the execution is rapid and accurate, the automation degree is high, and the manual operation is reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
In the drawings:
FIG. 1 is a schematic diagram of the general structure of the present invention;
FIG. 2 is a state diagram of the use of FIG. 1;
FIG. 3 is a schematic diagram of the exploded structure of FIG. 1;
FIG. 4 is a schematic cross-sectional view of the structure of FIG. 1;
FIG. 5 is a schematic view of the engagement of the movable outer sleeve with the piston rod;
FIG. 6 is a schematic view of the construction of the removable cover;
fig. 7 is a structural schematic view of the fixed inner sleeve.
Wherein the figures include the following reference numerals:
the device comprises a connecting seat 1, a cylinder 2, an air port 201, a motor 3, a piston rod 4, a rod body 401, a piston 402, a connecting block 5, a movable outer sleeve 6, a connecting rod 601, a flange 602, a body 603, a cavity 604, a cavity groove 6041, a fixed inner sleeve 7, a cylinder 701, a convex key 702, a key groove 703, a hexagonal wrench 8, a workpiece rotating body 9, a clamping block 10, a workpiece 11 and a bolt 12.
Detailed Description
The present invention will now be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions are provided only for the purpose of illustrating the present invention and are not to be construed as unduly limiting the utility model.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1-7, the automatic locking device for the spindle clamp of the double-sided machine tool comprises a connecting seat 1, a cylinder 2, a motor 3, a piston rod 4, a connecting block 5, a movable outer sleeve 6 and a fixed inner sleeve 7.
The connecting seat 1 is hollow; the air cylinder 2 is arranged at one port of the connecting seat 1; the motor 3 is installed at the other end of the connecting base 1.
The piston rod 4 is mounted in the cylinder 2. The rear end of the movable outer sleeve 6 is internally tangent to the inner wall of the connecting seat 1, and the rear end of the movable outer sleeve 6 is externally tangent to the fixed inner sleeve 7.
The outer surface of the fixed inner sleeve 7 transmits torque to the inner surface of the movable outer sleeve 6; the fixed inner sleeve 7 is fixed on the main shaft of the motor 3.
The front end of the movable outer sleeve penetrates through the piston rod and is fixedly connected with the connecting block; the front end face of the connecting block is provided with a groove.
The cylinder drives the movable outer sleeve to slide back and forth in the connecting seat through the piston, and the motor rotates the movable outer sleeve through the fixed inner sleeve.
The working principle of the utility model is as follows: the air inlet and the air outlet of the air cylinder enable the piston rod to move back and forth, so that the movable outer sleeve is driven to slide back and forth in the connecting seat, and the in-and-out positioning is realized;
the motor spindle rotates, the fixed inner sleeve rotates, torque is transmitted between the fixed inner sleeve and the movable outer sleeve, the movable outer sleeve rotates in the piston rod and simultaneously drives the connecting block to rotate, the connecting block is externally connected with the adjusting wrench to rotate the bolt, and then locking and loosening of the clamp are achieved.
In the present invention, it is preferable that the motor is a servo motor.
In the utility model, the movable outer sleeve and the connecting block limit the movement of the piston rod on the movable outer sleeve together, so that the movable outer sleeve can move along with the piston rod; the limiting mode is preferably limited by adopting a step bulge mode; or the movable outer sleeve is provided with a limiting ring to ensure that the movable outer sleeve and the piston rod move together along the moving direction of the piston rod.
In the utility model, the movable sleeve can rotate relatively between the piston rod and the piston rod, so that the locking and positioning work are mutually matched but mutually independent and do not influence each other.
In the present invention, the fixed inner sleeve may be connected by a key or the cross-section of the fixed inner sleeve is polygonal (preferably regular polygonal, and the stress is uniform and stable), and is not limited herein.
As shown in fig. 5 and 7, in some embodiments, the fixed inner sleeve 7 includes a cylinder 701, and convex keys 702 are disposed at equally-divided positions on the outer surface of the cylinder; a key groove 703 matched with the rotating shaft of the motor is arranged in the cylinder. The cylinder changes and slides, increases the convex key outside, and because the activity overcoat is circumscribed in fixed endotheca, consequently the inner wall of activity overcoat sets up the spout with convex key complex, under the condition of effective transmission moment of torsion, guarantees gliding stability, and a plurality of convex keys and a plurality of spouts guarantee to only can transmit the moment of torsion and can't rotate under the condition of not transmitting the moment of torsion between activity overcoat and the fixed endotheca.
As shown in fig. 5 and 6, in some embodiments, the movable jacket includes a body 603 and a connecting rod 601; a flange 602 is arranged at the front end of the body, and the flange 602 is inscribed on the inner wall of the connecting seat 1; the connecting rod 601 is mounted right in the middle of the flange. The body is provided with a cavity 604, and the side wall of the cavity is matched with the convex key to be provided with a cavity groove 6041.
As shown in fig. 2 and 4, in the present embodiment, the flange 602 is tangent to the inner wall of the connecting seat, so as to reduce friction between the movable sleeve and the connecting seat, improve the smoothness of execution, and ensure the stability of sliding.
In some embodiments, the length of the piston rod is shorter than the length of the connecting rod, so that the front end of the piston rod abuts against the rear end of the connecting block, and the rear end of the piston rod abuts against the flange end face of the movable outer sleeve, as shown in fig. 5.
As shown in fig. 5, in this embodiment, a specific structure of the piston rod and the movable sleeve is provided, where a stepped protrusion (flange) is provided on the movable sleeve, and then the movable sleeve is limited by the connecting block, so that the piston rod and the movable sleeve are ensured not to move axially and only rotate relatively in the circumferential direction.
In some embodiments, the recess is a hexagonal recess, in which a hexagonal wrench 8 is disposed.
And adjusting the length of the hexagonal wrench according to the locked length. In some embodiments, the replacement of other wrenches is not limited. When the spanner needs to be replaced, the connecting block matched with the spanner is replaced, and the connecting block is specifically arranged according to actual needs.
In some embodiments, the piston rod 4 comprises a piston 402 and a rod body 401, the piston 402 is mounted on the rod body 401, and the piston 402 is movably sealed with the inner wall of the cylinder 2; the cylinder includes two gas ports 201, and the two gas ports 201 are respectively located at both sides of the piston 402. A specific cylinder configuration is disclosed where two ports are operated separately to allow the piston to reciprocate, carrying a movable sleeve to slide during reciprocation of the piston.
In some embodiments, the length of the fixed inner sleeve 7 is less than the length of the inner portion of the movable outer sleeve. The movable outer sleeve is ensured not to be separated from the fixed inner sleeve, and the effective execution of locking and positioning is ensured.
In some embodiments, a bolt inlet is arranged on the side surface of the workpiece rotating body 9, a clamping block 10 is arranged inside the workpiece rotating body 9, and the front end surface of the bolt 12 abuts against the clamping block. A specific structure of the clamp is disclosed, wherein the clamping block is arranged inside the rotating body, and the clamping block is pushed to form stable clamping on the workpiece 11 through a bolt.
The clamping blocks can be replaced by different workpieces, and are not limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides an automatic locking device of two-sided lathe main shaft anchor clamps which characterized in that: comprises a connecting seat, a cylinder, a motor, a piston rod, a connecting block, a movable outer sleeve and a fixed inner sleeve;
the connecting seat is hollow; the air cylinder is arranged at one port of the connecting seat; the motor is arranged at the other port of the connecting seat; the piston rod is arranged in the cylinder;
the rear end of the movable outer sleeve is internally tangent to the inner wall of the connecting seat, the rear end of the movable outer sleeve is externally tangent to the fixed inner sleeve, and the outer surface of the fixed inner sleeve transmits torque to the inner surface of the movable outer sleeve; the fixed inner sleeve is fixed on a main shaft of the motor;
the front end of the movable outer sleeve penetrates through the piston rod and is fixedly connected with the connecting block; the front end face of the connecting block is provided with a groove;
the cylinder drives the movable outer sleeve to slide back and forth in the connecting seat through the piston, and the motor rotates the movable outer sleeve through the fixed inner sleeve.
2. The automatic locking device of a double-sided machine tool spindle clamp according to claim 1, characterized in that: the fixed inner sleeve comprises a cylinder, and convex keys are arranged on the outer surface of the cylinder at equal positions.
3. The automatic locking device of a double-sided machine tool spindle clamp according to claim 1, characterized in that: the movable outer sleeve comprises a body and a connecting rod; the front end of the body is provided with a flange which is internally tangent to the inner wall of the connecting seat; the connecting rod is arranged in the middle of the flange.
4. The automatic locking device of a double-sided machine tool spindle clamp according to claim 3, characterized in that: the length of the piston rod is shorter than that of the connecting rod, so that the front end of the piston rod abuts against the rear end of the connecting block, and the rear end of the piston rod abuts against the flange end face of the movable outer sleeve.
5. The automatic locking device of a double-sided machine tool spindle clamp according to claim 1, characterized in that: the groove is a hexagonal groove, and a hexagonal wrench is arranged in the groove.
6. The automatic locking device of a double-sided machine tool spindle clamp according to claim 4, characterized in that: the piston rod comprises a piston and a rod body, the piston is mounted on the rod body, and the piston and the inner wall of the cylinder are provided with dynamic seals; the cylinder includes two gas ports, and two gas ports are located respectively the both sides of piston.
7. The automatic locking device of a double-sided machine tool spindle clamp according to claim 4, characterized in that: the side face of the workpiece rotating body is provided with a bolt inlet, the inside of the workpiece rotating body is provided with a clamping block, and the front end face of the bolt is abutted to the clamping block.
8. The automatic locking device of a double-sided machine tool spindle clamp according to claim 1, characterized in that: the length of the fixed inner sleeve is smaller than the length of the inner part of the movable outer sleeve where the fixed inner sleeve is located.
9. The automatic locking device of a double-sided machine tool spindle clamp according to claim 1, characterized in that: the motor is a servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123183836.4U CN216503680U (en) | 2021-12-17 | 2021-12-17 | Automatic locking device of double-sided machine tool spindle clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123183836.4U CN216503680U (en) | 2021-12-17 | 2021-12-17 | Automatic locking device of double-sided machine tool spindle clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216503680U true CN216503680U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123183836.4U Active CN216503680U (en) | 2021-12-17 | 2021-12-17 | Automatic locking device of double-sided machine tool spindle clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216503680U (en) |
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2021
- 2021-12-17 CN CN202123183836.4U patent/CN216503680U/en active Active
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