CN216473321U

CN216473321U - Workpiece hole heat treatment positioning device

Info

Publication number: CN216473321U
Application number: CN202122383997.1U
Authority: CN
Inventors: 郑广会; 郑世育
Original assignee: Shandong Boyuan Precision Machinery Co ltd
Current assignee: Shandong Boyuan Precision Machinery Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-05-10
Anticipated expiration: 2031-09-29

Abstract

The application discloses a workpiece hole heat treatment positioning device, which is used for a heat treatment process of induction heating of a porous workpiece and comprises a pull rod, a main shaft and at least two clamping jaws, wherein the pull rod is arranged in the vertical direction; the upper part of the pull rod is provided with a connecting seat, and the upper part of the main shaft is provided with a supporting part; the clamping jaw is respectively connected with the connecting seat and the supporting part; the clamping jaw device comprises a main shaft, a clamping jaw and a first driving piece, wherein the main shaft is used for driving the clamping jaw to clamp or release a workpiece; the second driving piece is connected with the main shaft and used for driving the main shaft and the pull rod to rotate so that the workpiece hole corresponds to the heat treatment station. The positioning device in this application can realize the quick clamping release to the work piece to can rotate the quick response heating thermal treatment station that corresponds of work piece, conveniently fix a position and induction heating work piece hole, be favorable to promoting heat treatment efficiency.

Description

Workpiece hole heat treatment positioning device

Technical Field

The utility model belongs to the technical field of induction heating heat treatment equipment, and particularly relates to a workpiece hole heat treatment positioning device.

Background

The heat treatment is a metal hot processing technology for changing the chemical components and structures on the surface or in the material to obtain the required performance by heating, heat preservation and cooling the metal material in a solid state.

For porous workpieces, in the heat treatment of the conventional high-frequency quenching process, if the heated area of each workpiece hole is inaccurately positioned when each hole structure of the workpiece is subjected to heat treatment, the heated area of each workpiece hole structure on a single workpiece has poor repeatability, so that the product consistency of the workpiece is poor, the hardness requirement of the workpiece does not reach the standard, and how to accurately and stably position the workpiece needs to be solved urgently. Moreover, for a porous workpiece, how to quickly adjust the placement state of the workpiece to quickly correspond the workpiece hole to the induction heating heat treatment station is also an urgent problem to be solved.

It will thus be seen that the prior art is susceptible to further improvements and enhancements.

SUMMERY OF THE UTILITY MODEL

The utility model provides a positioning device for workpiece hole heat treatment, which aims to solve at least one technical problem of the technical problems.

The technical scheme adopted by the utility model is as follows:

the utility model provides a workpiece hole heat treatment positioning device, which is used for the heat treatment process of induction heating of a porous workpiece, and comprises a pull rod, a main shaft and at least two clamping jaws, wherein the pull rod is arranged in the vertical direction, the main shaft is sleeved outside the pull rod, and the clamping jaws are used for positioning the workpiece; the upper part of the pull rod is provided with a connecting seat, and the upper part of the main shaft is provided with a supporting part; the clamping jaw is provided with a first connecting part and a second connecting part, and the first connecting part and the second connecting part are respectively connected with the connecting seat and the supporting part; the clamping jaw is driven to rotate around the joint of the second connecting part and the supporting part so as to clamp or release the workpiece; the second driving piece is connected with the main shaft and used for driving the main shaft and the pull rod to rotate, so that the workpiece hole corresponds to a heat treatment station.

As a preferred embodiment of the utility model, the spindle further comprises a mandrel, wherein a first mounting part is further arranged on the upper part of the spindle along the circumferential direction, and the mandrel is sleeved on the first mounting part and is in limit fit with the first mounting part; the upper portion of dabber is provided with the second installation department along circumference, the work piece cover is established on the second installation department and with the spacing cooperation of second installation department.

As a preferred embodiment of the present invention, the first mounting portion is a first limit step, and the second mounting portion is provided with a second limit step; and along the circumferential direction, the upper part of the vertical edge of the second limiting step is also provided with a guide surface.

As a preferred embodiment of the present invention, a first limiting portion is disposed on an upper portion of the pull rod, a first stopper corresponding to the limiting portion is disposed on an inner wall of the main shaft, and when the pull rod moves downward relative to the main shaft along the axial direction, the limiting portion can contact and cooperate with the stopper to limit the pull rod to move downward continuously.

In a preferred embodiment of the present invention, a bushing is disposed between the inner wall of the main shaft and the pull rod, and a lower end of the bushing is in contact fit with the stopper in the vertical direction.

As a preferred embodiment of the utility model, the spindle further comprises a speed reducer and a connecting plate for mounting the speed reducer, wherein the connecting plate is sleeved outside the spindle; the speed reducer is arranged on the lower portion of the connecting plate and connected with the second driving piece.

As a preferred embodiment of the present invention, a second limiting portion is disposed on an outer wall of the spindle, and a second stopping portion corresponding to the second limiting portion is disposed on an upper portion of the connecting plate; the second limiting part is matched with the second stopping part, so that the spindle and the connecting plate are limited and fixed in the axial direction.

As a preferred embodiment of the present invention, the first driving member is connected to the lower end of the pull rod along the vertical direction, and the first driving member is a cylinder or a hydraulic cylinder; the second driving piece is a driving motor, and the driving motor is connected with the spindle through the speed reducer.

As a preferred embodiment of the present invention, the driving device further comprises a rotary joint, and the rotary joint is arranged below the first driving piece in the vertical direction.

In a preferred embodiment of the present invention, a first sealing portion is disposed at an upper end of an inner wall of the main shaft, and a second sealing portion is disposed at an upper portion of the connecting plate; further comprising a seal comprising a first sealing gasket disposed within the first seal portion and a second sealing gasket disposed within the second seal portion; the first sealing washer is respectively matched with the main shaft and the pull rod, and the second sealing washer is respectively matched with the main shaft and the connecting plate.

Due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. as a preferred embodiment of the application, the clamping jaws can quickly and stably lock and fix the workpiece through the matching of the pull rod, the main shaft and the first driving piece, the phenomenon that the heated area of the hole structure of the workpiece is unstable due to unstable fixation of the workpiece in the heat treatment process is avoided, the stability of the heated area of each hole structure of the porous workpiece is favorably ensured, and the consistency of the product quality is ensured.

2. As an optimal implementation mode of the application, through the cooperation of the second driving piece, the main shaft and the like, the positioning device in the application can realize the quick rotating positioning of the workpiece, is convenient for the corresponding of each workpiece hole structure of the porous workpiece and a heat treatment station, and is favorable for improving the heat treatment efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, 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 structural view of a positioning device for hole heat treatment of a workpiece;

FIG. 2 is a partial cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of the positioning apparatus for hole heat treatment of a workpiece without a reducer and a second driving member;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 5 is a partial top view of the positioning apparatus for hole heat treatment of a workpiece;

fig. 6 is an enlarged view of a portion C in fig. 4.

Wherein the content of the first and second substances,

1 jaw, 11 first connecting part, 12 second connecting part;

2, a main shaft, a 21 supporting part, a 22 first stopping part, a 23 second limiting part, a 24 first mounting part and a 25 first sealing part;

3, a pull rod, 31 a connecting seat and 32 a first limiting part;

4 mandrel, 41 second mounting part, 42 guide surface;

51 a first driving member, 52 a second driving member and 53 a speed reducer;

6 connecting plate, 61 second stopper, 62 second sealing part;

7, a bushing;

81 a first sealing gasket, 82 a second sealing gasket;

91 lock nut, 92 transition plate;

10 a rotary joint;

101 a workpiece.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In addition, in the description of the present invention, it is to be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1-6, the present invention provides a positioning device for heat treatment of holes in a workpiece, which is used for the heat treatment process of induction heating of a porous workpiece 101, and comprises a pull rod 3 arranged along a vertical direction, a spindle 2 sleeved outside the pull rod 3, and at least two jaws 1 for positioning the workpiece 101; the upper part of the pull rod 3 is provided with a connecting seat 31, and the upper part of the main shaft 2 is provided with a supporting part 21; the jaw 1 has a first connecting portion 11 and a second connecting portion 12, the first connecting portion 11 and the second connecting portion 12 are connected with the connecting seat 31 and the supporting portion 21, respectively; the clamping jaw device further comprises a first driving piece 51 and a second driving piece 52, wherein the first driving piece 51 is connected with the pull rod 3, and the first driving piece 51 is used for driving the pull rod 3 to move relative to the main shaft 2 along the axial direction so as to drive the clamping jaw 1 to rotate around the joint of the second connecting part 12 and the supporting part 21 to clamp or release the workpiece 101; the second driving member 52 is connected with the main shaft 2, and the second driving member 52 is used for driving the main shaft 2 and the pull rod 3 to rotate so that the workpiece hole corresponds to the heat treatment station.

The clamping jaw 1 can quickly and stably lock and fix the workpiece 101 through the matching of the pull rod 3, the main shaft 2 and the first driving piece 51, so that the instability of a heated region of a workpiece hole structure caused by unstable fixation of the workpiece 101 in a heat treatment process is avoided, the stability of the heated region of each workpiece hole structure of the porous workpiece 101 is favorably ensured, and the consistency of product quality is ensured; and through the cooperation of second driving piece 52 and main shaft 2 etc., the positioner in this application can realize the quick rotatory location of work piece 101, makes things convenient for every work piece pore structure of porous work piece 101 and the correspondence of heat treatment station, is favorable to promoting heat treatment efficiency, and then is favorable to promoting the production efficiency in the whole work piece 101 production process.

With continued reference to fig. 2 and 4, in a specific example, the connecting seat 31 is a hinge seat disposed at the upper end of the pull rod 3, the supporting portion 21 is a hinge post disposed at the upper end of the main shaft 2, the first connecting portion 11 is a hinge slot formed at one end of the jaw 1, and the second connecting portion 12 is a hinge hole formed at the middle of the jaw 1. Between hinge groove and the hinge seat, all articulate through hinge screw between hinge hole and the hinge post, and hinge screw between hinge groove and the hinge seat can also follow hinge groove and remove to when making pull rod 3 relative main shaft 2 rise or descend, pull rod 3 can push away or draw jack catch 1 and use the hinge post as the fulcrum, around setting up hinge screw rotation between hinge hole and hinge post, thereby realize chucking and the release to work piece 101. The structure is simple and practical, the maintenance and the replacement are convenient, and the device is very suitable for large-scale industrial production.

It should be noted that the above example is only one preferred embodiment of the present application, and the connection mode and connection structure of the claw 1, the spindle 2 and the pull rod 3 are not particularly limited in the present application, and the structure shown in fig. 2 and 4 may be adopted, other connection modes and structures may be adopted, or a claw 1 disk, a claw 1, and a pushing structure provided on the claw 1 disk may be separately provided to achieve the same purpose.

Further, referring to fig. 6, the positioning device in the present application further includes a mandrel 4 for carrying the workpiece 101, the upper portion of the main shaft 2 is further provided with a first mounting portion 24 along the circumferential direction, and the mandrel 4 is sleeved on the first mounting portion 24 and is in spacing fit with the first mounting portion 24; the upper part of the mandrel 4 is circumferentially provided with a second mounting part 41, and the workpiece 101 is sleeved on the second mounting part 41 and is in spacing fit with the second mounting part 41.

In one specific example, and with continued reference to fig. 6, the first mounting portion 24 is provided with a first stop step, and the second mounting portion 41 is provided with a second stop step; the upper part of the vertical side of the second limit step is also provided with a guide surface 42 along the circumferential direction. During the assembly, the lower extreme terminal surface and the inside wall of dabber 4 and the lateral wall and the diapire cooperation of first spacing step realize the location installation of dabber 4 and main shaft 2, and the lower terminal surface and the inside wall of work piece 101 and the diapire and the lateral wall cooperation of the spacing step of second realize the location installation of work piece 101 and dabber 4, and still are provided with the direction inclined plane on the upper portion and the lateral wall portion on the vertical limit of the spacing step of second. Therefore, the workpiece 101 can be rapidly positioned and matched with the mandrel 4 along the guide inclined plane under the influence of the dead weight of the workpiece, and the assembly efficiency is improved.

In addition, the shape of the outer side wall of the mandrel 4 may be adaptively designed according to the shape of the inner side wall of the workpiece 101, and the size of the mandrel 4 may also be adaptively designed according to the size of the inner ring of the workpiece 101. To the work piece 101 that has different inside wall shapes and different specification and dimension, only need to change corresponding dabber 4 just can realize the location installation of work piece 101 and main shaft 2, be favorable to enlarging positioner's in this application scope, promote assembly efficiency, practice thrift manufacturing cost.

Further, as shown in fig. 3 and 4, a first limiting portion 32 is disposed on the upper portion of the pull rod 3, a first stopper 22 corresponding to the first limiting portion 32 is disposed on the inner wall of the main shaft 2, and when the pull rod 3 moves downward relative to the main shaft 2 along the axial direction, the limiting portion can contact and cooperate with the stopper to limit the pull rod 3 to continue moving downward. As shown in fig. 3 and 4, a bushing 7 is further disposed between the inner wall of the shaft and the pull rod 3, and a lower end of the bushing 7 is in contact fit with the stopper in the vertical direction. The arrangement of the stopping part and the limiting part is beneficial to positioning and assembling between the lifting pull rod 3 and the main shaft 2 while ensuring that the pull rod 3 has enough moving stroke relative to the main shaft 2, and is convenient for arranging the bushing 7. And the bush 7 can play the guide effect on the one hand for pull rod 3 uses and moves along vertical direction relative main shaft 2, also can avoid pull rod 3 and main shaft 2 direct contact to produce great friction simultaneously, avoids pull rod 3 and main shaft 2 to lock in the axial and lead to positioner unable normal work.

With further reference to fig. 1 and 2, the positioning device in the present application further includes a speed reducer 53, a connecting plate 6 and a speed reducer 53, and in a specific example, with continuing reference to fig. 1 and 2, the second driving member 52 in the present application is a servo motor, and the servo motor is connected to the spindle 2 through the speed reducer 53, so as to drive the spindle 2, the pull rod 3 and the jaw 1 to integrally rotate, thereby realizing the correspondence between each workpiece hole on the porous workpiece 101 and the induction heating heat treatment station. The servo motor is convenient to control, the control precision is high, the positioning precision between the workpiece hole and the induction heating heat treatment station is favorably improved, the stability of the heated area of each workpiece hole structure is further ensured, and the consistency of the product quality is ensured.

Further, as shown in fig. 1, 2, 3, and 4, the outer wall of the spindle 2 is provided with a second limiting portion 23, and the upper portion of the connecting plate 6 is provided with a second stopping portion 61 corresponding to the second limiting portion 23; the second limiting portion 23 is matched with the second stopping portion 61, so that the main shaft 2 and the connecting plate 6 are limited and fixed in the axial direction. In a specific example, an outer diameter of one end of the middle part of the spindle 2 is enlarged to form the second limiting part 23, and the second stopping part 61 is also a limiting step, so that the limiting fixation of the structures such as the spindle 2, the pull rod 3 and the clamping jaw 1 is realized in the axial direction. The structure is simple, practical and convenient to process, and can improve the assembly efficiency and is also favorable for saving the cost.

It should be noted that the above example is just one preferred embodiment of the present application, and the present application is not limited to the installation manner of the reducer 53 and the axial limit fixing manner of the structures such as the spindle 2, the pull rod 3, the claw 1, and the like, and the above example may be adopted, and other connection manners or connection structures may also be adopted to achieve the same purpose.

Further, as shown in fig. 1, 2, 3 and 4, the first driving member 51 may be a cylinder or a hydraulic cylinder, which has high stability in one-way linear motion and has the advantages of small volume, convenient assembly and low energy consumption. With continued reference to fig. 1, 2, 3, and 4, the positioning device in this application further includes a lock nut 91, a transition plate 92, and a rotary joint 10, where the lock nut 91 is disposed below the speed reducer 53, the lock nut 91 is in locking fit with the outer wall of the main shaft 2, and the lock nut 91 is in fit with the connecting plate 6 to clamp the speed reducer 53 on the main shaft 2; the transition plate 92 is respectively matched with the first driving piece 51, the main shaft 2 and the pull rod 3, so that the first driving piece 51 is fixed at the lower part of the pull rod 3; the rotary joint 10 is disposed below the first driver 51 in the vertical direction.

Further, as shown in fig. 4, a first sealing portion 25 is provided at the upper end of the inner wall of the main shaft 2, and a second sealing portion 63 is provided at the upper portion of the connecting plate 6; further comprising a seal comprising a first sealing gasket 81 disposed within the first seal section 25 and a second sealing gasket 82 disposed within the second seal section 63; the first sealing washer 81 is respectively matched with the main shaft 2 and the pull rod 3, and the second sealing washer 82 is respectively matched with the main shaft 2 and the connecting plate 6.

The method can be realized by adopting or referring to the prior art in places which are not described in the utility model.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A workpiece hole heat treatment positioning device is used for a heat treatment process of induction heating of a porous workpiece and is characterized by comprising a pull rod, a main shaft and at least two clamping jaws, wherein the pull rod is arranged in the vertical direction, the main shaft is sleeved outside the pull rod, and the clamping jaws are used for positioning the workpiece; the upper part of the pull rod is provided with a connecting seat, and the upper part of the main shaft is provided with a supporting part; the clamping jaw is provided with a first connecting part and a second connecting part, and the first connecting part and the second connecting part are respectively connected with the connecting seat and the supporting part;

the clamping jaw is driven to rotate around the joint of the second connecting part and the supporting part so as to clamp or release the workpiece; the second driving piece is connected with the main shaft and used for driving the main shaft and the pull rod to rotate, so that the workpiece hole corresponds to a heat treatment station.

2. The workpiece hole heat treatment positioning device as recited in claim 1, further comprising a mandrel, wherein a first mounting portion is further provided at an upper portion of the spindle along a circumferential direction, and the mandrel is sleeved on the first mounting portion and is in spacing fit with the first mounting portion;

the upper portion of dabber is provided with the second installation department along circumference, the work piece cover is established on the second installation department and with the spacing cooperation of second installation department.

3. The workpiece hole heat treatment positioning device of claim 2, wherein the first mounting portion is a first limit step and the second mounting portion is provided with a second limit step; and along the circumferential direction, the upper part of the vertical edge of the second limiting step is also provided with a guide surface.

4. The positioning device for heat treatment of workpiece holes according to claim 2, wherein a first limiting portion is disposed on the upper portion of the pull rod, a first stopping portion corresponding to the limiting portion is disposed on the inner wall of the main shaft, and when the pull rod moves downward relative to the main shaft along the axial direction, the limiting portion can contact and cooperate with the stopping portion to limit the pull rod from moving downward.

5. The workpiece hole heat treatment positioning device as recited in claim 4, wherein a bushing is disposed between the inner wall of the spindle and the pull rod, and a lower end of the bushing is in contact engagement with the stopper portion in a vertical direction.

6. The workpiece hole heat treatment positioning device of claim 5, further comprising a reducer and a connecting plate for mounting the reducer, wherein the connecting plate is sleeved outside the spindle; the speed reducer is arranged on the lower portion of the connecting plate and connected with the second driving piece.

7. The positioning device for heat treatment of workpiece holes according to claim 6, wherein the outer wall of the main shaft is provided with a second limiting portion, and the upper portion of the connecting plate is provided with a second stopping portion corresponding to the second limiting portion; the second limiting part is matched with the second stopping part, so that the spindle and the connecting plate are limited and fixed in the axial direction.

8. The workpiece hole heat treatment positioning device of claim 7, wherein the first driving member is vertically connected to the lower end of the pull rod, and the first driving member is a cylinder or a hydraulic cylinder; the second driving piece is a driving motor, and the driving motor is connected with the spindle through the speed reducer.

9. The workpiece hole heat treatment positioning apparatus of claim 8, further comprising a swivel joint disposed vertically below the first drive member.

10. The workpiece hole heat treatment positioning device as recited in claim 9, wherein a first sealing portion is provided at an upper end of an inner wall of the spindle, and a second sealing portion is provided at an upper portion of the connecting plate; further comprising a seal comprising a first sealing gasket disposed within the first seal portion and a second sealing gasket disposed within the second seal portion; the first sealing washer is respectively matched with the main shaft and the pull rod, and the second sealing washer is respectively matched with the main shaft and the connecting plate.