CN210361128U - Bearing press-mounting machine - Google Patents
Bearing press-mounting machine Download PDFInfo
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- CN210361128U CN210361128U CN201920858479.0U CN201920858479U CN210361128U CN 210361128 U CN210361128 U CN 210361128U CN 201920858479 U CN201920858479 U CN 201920858479U CN 210361128 U CN210361128 U CN 210361128U
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Abstract
A bearing press-mounting machine relates to the field of machine manufacturing, and comprises a telescopic system, a pressing die, a rotating system, a quick joint and a tool chuck nut; the telescopic system is connected with the pressing die; the rotating system comprises a rotating driving assembly and a core pulling shaft assembly, the rotating driving assembly is connected with the core pulling shaft assembly, and the core pulling shaft assembly is connected with the quick chuck; one end of the quick chuck is provided with a T-shaped groove, one end of the tooling chuck nut is provided with a T-shaped lug matched with the T-shaped groove, and the other end of the tooling chuck nut is provided with a threaded hole. The utility model provides a bearing press-mounting machine, after the T-shaped lug of frock chuck nut inserts the T-shaped groove of quick chuck, rotate a angle with frock chuck nut, accomplish and change the dress promptly, because the rotation of drawing the dabber, T-shaped lug can not the roll-off T-shaped groove; when the tooling chuck nut is replaced, the tooling chuck nut is slightly swung and can be taken out along the groove of the T-shaped groove, so that the replacement efficiency of the tooling chuck nut can be greatly improved.
Description
Technical Field
The utility model relates to a machine-building technical field specifically relates to a bearing press-fitting machine.
Background
The existing bearing press-mounting machine is driven by a servo motor to drive a tool nut to rotate, the tool nut is screwed into a thread at the front end of a workpiece, then a signal is sent to a gas-liquid pressure cylinder to start to pressurize and move forwards, the workpiece (bearing) is pressed in, the pressure reaches the gas-liquid pressure cylinder to return, the servo motor reverses to withdraw the tool nut from the workpiece, and the operation is completed.
Objective disadvantages of the prior art:
1. the motor in the prior art is driven by a servo motor, and because the control of the servo motor is complex, elements are precise, and the operating environment of the equipment is severe, and belongs to line body fluid operation, the motor has more faults;
2. due to the machining precision of the workpiece and inevitable collision, the rotary tool nut cannot be screwed in frequently, so that the servo motor is alarmed, stopped and clamped, and cannot exit normally;
3. it is inconvenient to change the frock, and it is longer than a minute: the normal speed of an automobile front and rear axle assembly line is two minutes and one product, the models of a plurality of continuous products are different, the sizes of the products are different, and the production efficiency or the line stop waiting can be seriously influenced due to overlong tool replacement time;
4. when the existing equipment has power failure or fault in the production process, the equipment cannot be taken out of a workpiece;
5. the pressure of the gas-liquid pressure cylinder is affected by the air pressure fluctuation, the assembly pressure cannot be accurately determined, and the assembly relation cannot be effectively identified, such as whether the interference magnitude is in the design range.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one of the above technical problems, an embodiment of the present invention provides a bearing press-fitting machine, which includes a telescopic system, a pressing die, a rotating system, a quick coupling, and a tool chuck nut; the telescopic system is connected with the pressing die to drive the pressing die to reciprocate; the rotary system comprises a rotary driving assembly and a core pulling shaft assembly, the quick connector and a tool chuck nut are all arranged in the telescopic system, the rotary driving assembly is connected with the core pulling shaft assembly, and the core pulling shaft assembly is connected with the quick chuck; one end of the quick chuck is provided with a T-shaped groove, one end of the tooling chuck nut is provided with a T-shaped lug matched with the T-shaped groove, and the other end of the tooling chuck nut is provided with a threaded hole.
In the above technical solution, further, the telescopic system includes a hydraulic cylinder body, a hydraulic cylinder piston assembly, and a press fitting sleeve; the hydraulic cylinder piston assembly is located in a hydraulic cylinder body, the hydraulic cylinder body is fixedly connected with a press fitting sleeve, and the press fitting sleeve is fixedly connected with a pressing die.
In the above technical solution, further, one end of the press fitting sleeve is provided with a first guide inclined plane, and the tooling chuck nut is provided with a second guide inclined plane adapted to the first guide inclined plane; the one end that frock chuck nut was equipped with the screw hole is slotted and is cut open into a plurality of equal divisions, makes when second direction inclined plane moves along first direction inclined plane, and frock chuck nut's screw hole can expand and contract.
In the above technical solution, further, the rotation driving assembly includes a motor mounting plate, a motor, a synchronous belt driving wheel, a synchronous belt and a synchronous belt driven wheel; the one end at pneumatic cylinder body is fixed to the motor mounting panel, the motor is installed on the motor mounting panel, the output shaft and the hold-in range action wheel of motor are connected, the hold-in range action wheel passes through the hold-in range and is connected from the driving wheel with the hold-in range, the hold-in range is followed the driving wheel and is connected with drawing the mandrel subassembly.
In the above technical solution, further, the pull core shaft assembly includes a pull core shaft lock nut, a pull core shaft front end bearing, a pull core shaft rear end bearing, and a pull core shaft connector; the front end bearing of the pulling core shaft and the rear end bearing of the pulling core shaft are respectively fixed in the hydraulic cylinder piston assembly, and two ends of the pulling core shaft respectively pass through the front end bearing of the pulling core shaft and the rear end bearing of the pulling core shaft; the synchronous belt driving wheel is connected with the pull core shaft to drive the pull core shaft to rotate; draw dabber connector and pneumatic cylinder piston assembly fixed connection for the fixed one end of drawing the dabber, draw spindle lock nut to fix at the other end of drawing the dabber, be used for playing limiting displacement to the hold-in range driven wheel.
In the technical scheme, the hydraulic cylinder further comprises an anti-rotation assembly, the anti-rotation assembly comprises a guide rod and a guide plate, the guide rod is fixedly connected with the motor mounting plate, the guide plate is sleeved on the guide rod, and the guide plate is fixedly connected with the hydraulic cylinder body.
In the above technical solution, further, one end of the pulling core shaft is provided with a wrench operation portion convenient for driving the pulling core shaft to rotate.
In the technical scheme, the tool chuck structure is further provided with a tool chuck induction plate, the tool chuck induction plate is connected with a tool chuck nut, and a sensor matched with the tool chuck induction plate is arranged on the press-fitting sleeve.
In above-mentioned technical scheme, furtherly, frock chuck nut outwards expands half screw height when quenching.
In the above technical solution, further, the motor is a stepping motor.
Compared with the prior art, the bearing press-mounting machine provided by the utility model has the advantages that after the T-shaped projection of the tool chuck nut is inserted into the T-shaped groove of the quick chuck, the tool chuck nut is rotated by an angle, and then the replacement is completed; due to the rotation of the pull core shaft, the T-shaped convex block is always positioned at the foremost end of the direction and cannot slide out of the T-shaped groove; when the tooling chuck nut is replaced, the tooling chuck nut can be taken out along the groove direction of the T-shaped groove by only pulling outwards and slightly swinging. Therefore, the replacement efficiency of the tool chuck nut can be greatly improved.
Drawings
Fig. 1 is an exploded schematic view of a bearing press according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the quick coupling and the tool collet nut according to an embodiment of the present invention;
fig. 3 is a schematic diagram of the press fitting sleeve and the tooling collet nut according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a bearing press according to an embodiment of the present invention in a first state;
fig. 5 is a schematic structural diagram of a bearing press according to an embodiment of the present invention in a second state.
Reference numerals
1-pulling a mandrel locking nut; 2-a synchronous belt driven wheel; 3, synchronous belt; 4-synchronous belt driving wheel; 5, mounting a motor plate; 6, a motor; 7-a guide plate; 8-a guide rod; 9-a hydraulic cylinder body; 10-a hydraulic cylinder piston assembly; 11-press fitting a sleeve; 12-compression molding; 13-tooling chuck nuts; 14-tooling chuck induction plate; 15-a quick coupling; 16-pulling the mandrel connector; 17-a front end bearing of the pull core shaft; 18-pulling the mandrel; 19-pulling the mandrel rear end bearing; 20-a wrench operating part; 21-T-shaped slots; 22-T shaped bumps; 23-a threaded hole; 24-a first guide ramp; 25-second guiding slope.
Detailed Description
To make the purpose, technical solution and advantages of the present application more apparent, the present application is further described in detail below with reference to examples and drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present application and are not used as limitations of the present application.
Fig. 1 is an exploded schematic view of a bearing press according to an embodiment of the present invention; fig. 4 is a schematic structural diagram of a bearing press according to an embodiment of the present invention in a first state; fig. 5 is a schematic structural diagram of a bearing press according to an embodiment of the present invention in a second state.
Referring to fig. 1, an embodiment of the present invention provides a bearing press-fitting machine, including telescopic system, pressing die 12, rotating system, quick-operation joint 15, tool chuck nut 13, anti-rotation assembly and tool chuck induction plate 14.
The telescopic system comprises a hydraulic cylinder body 9, a hydraulic cylinder piston assembly 10 and a press-fitting sleeve 11; the hydraulic cylinder piston assembly 10 is located in a hydraulic cylinder body, the hydraulic cylinder body is fixedly connected with a press fitting sleeve 11, and the press fitting sleeve 11 is fixedly connected with a pressing die 12.
The rotating system comprises a rotating driving assembly and a core pulling shaft 18 assembly, the core pulling shaft 18 assembly, a quick connector 15 and a tool chuck nut 13 are all installed in the telescopic system, the rotating driving assembly is connected with the core pulling shaft 18 assembly, and the core pulling shaft 18 assembly is connected with a quick chuck.
Further, the rotary driving assembly comprises a motor mounting plate 5, a motor 16, a synchronous belt driving wheel 4, a synchronous belt 3 and a synchronous belt driven wheel 2; motor mounting panel 5 is fixed in the one end of pneumatic cylinder body 9, motor 16 installs on the motor mounting panel 5, motor 16's output shaft and hold-in range action wheel 4 are connected, hold-in range action wheel 4 passes through hold-in range 3 and is connected from driving wheel 2 with the hold-in range, the hold-in range is connected from driving wheel 2 and the 18 subassemblies of axle that draws the core.
Further, the pulling mandrel 18 assembly comprises a pulling mandrel 18 locking nut 1, a pulling mandrel 18, a pulling mandrel front end bearing 17, a pulling mandrel rear end bearing 19 and a pulling mandrel connector 16; the front end bearing 17 of the pulling core shaft and the rear end bearing 19 of the pulling core shaft are respectively fixed in the hydraulic cylinder piston assembly 10, and two ends of the pulling core shaft 18 respectively pass through the front end bearing 17 of the pulling core shaft and the rear end bearing 19 of the pulling core shaft; the synchronous belt driving wheel 4 is connected with the core pulling shaft 18 to drive the core pulling shaft 18 to rotate; draw dabber connector 16 and hydraulic cylinder piston assembly 10 fixed connection for the fixed one end of drawing dabber 18, draw dabber 18 lock nut 1 to fix and draw the other end of dabber 18, be used for playing limiting displacement to hold-in range driven wheel 2.
In some embodiments, one end of the pulling mandrel 18 is provided with a wrench operation portion 20 for driving the pulling mandrel 18 to rotate. In the present embodiment, the wrench operating part 20 is formed by machining one end of the pulling mandrel 18 into a hexagonal shape (external or internal), so that when power failure or other shutdown failure occurs during the operation of the equipment, the pulling mandrel 18 can be reversed, i.e., can be withdrawn, by using other manual tools.
Prevent changeing the subassembly and include guide bar 8 and deflector 7, guide bar 8 and 5 fixed connection of motor mounting panel, 7 covers of deflector are established on guide bar 8, guide bar 7 and 9 fixed connection of pneumatic cylinder body.
The tool chuck induction plate 14 is connected with the tool chuck nut 13, and the press-fitting sleeve 11 is provided with an inductor matched with the tool chuck induction plate 14. The tool chuck induction plate 14 is embedded in the groove of the tool chuck nut 13. The rear part of the tool chuck induction plate 14 is ejected outwards by a spring, and when a workpiece to be processed enters, the tool chuck induction plate 14 is pressed inwards. When the sensor detects the tool chuck sensing plate 14, it indicates that the tool chuck nut 13 is in place. The main function of the tool chuck induction plate 14 and the inductor is to hold the tool chuck in place for rotation, using mechanical and electrical cooperation.
Fig. 2 is a schematic view of the quick coupling and the tool collet nut according to an embodiment of the present invention.
As shown in fig. 2, one end of the quick chuck is provided with a T-shaped slot 21, one end of the tool chuck nut 13 is provided with a T-shaped projection 22 adapted to the T-shaped slot 21, and the other end is provided with a threaded hole 23.
After the T-shaped projection 22 of the tool chuck nut 13 is inserted into the T-shaped groove 21 of the quick chuck, the tool chuck nut 13 is rotated for an angle, and the tool chuck nut is changed, and due to the rotation of the pull core shaft 18, the T-shaped projection 22 is always positioned at the foremost end of the direction and cannot slide out of the T-shaped groove 21. When the tooling chuck nut 13 is replaced, the tooling chuck nut 13 can be taken out along the groove direction of the T-shaped groove 21 only by pulling outwards and slightly swinging.
Fig. 3 is a schematic view of the press fitting sleeve and the tool collet nut according to an embodiment of the present invention.
As shown in fig. 3, one end of the press-fitting sleeve 11 is provided with a first guiding inclined surface 24, and the tooling chuck nut 13 is provided with a second guiding inclined surface 25 adapted to the first guiding inclined surface 24; the end of the tooling collet nut 13 having the threaded bore 23 is slotted into equal parts so that the threaded bore 23 of the tooling collet nut 13 can expand and contract as the second guide ramp 25 moves along the first guide ramp 24. The press-fitting sleeve 11 is in clearance sliding fit with the tooling chuck nut 13, so that the tooling chuck nut 13 can slide in the press-fitting sleeve 11.
When the hydraulic oil cylinder acts, the piston rod pulls the tool chuck nut 13 backwards to move, the second guide inclined surface 25 moves along the first guide inclined surface 24, namely the conical surface of the press-fitting sleeve 11 tightens the tool chuck nut 13, and therefore the screw on the workpiece to be machined is mechanically clamped.
The start of the tool chuck nut 13 is opened outwards, when the tolerance of the screw of the workpiece to be processed is too large, the tool chuck nut 13 is opened outwards and cannot be locked, and the motor 16 can rotate easily. The motor 16 is not overloaded when rotating, thereby greatly reducing the failure rate of the equipment. The apparatus rotation motor 16 is driven by the stepping motor 16 from the viewpoint of cost.
The fixture chuck nut 13 is made of high-strength elastic steel, and the size of the threaded hole 23 is changed without changing the appearance when the models are different.
Fig. 4 is a schematic structural diagram of the bearing press-fitting machine according to the embodiment of the present invention in a first state; fig. 5 is a schematic structural diagram of a bearing press according to an embodiment of the present invention in a second state.
As shown in fig. 4 and 5, the bearing press-fitting machine according to the embodiment of the present invention has the following working principle:
the bearing press-mounting machine is suitable for press-mounting a workpiece to be processed into a bearing of a front axle and a rear axle of an automobile, and the front axle and the rear axle of the automobile are provided with screws for positioning;
in the first state, the threaded hole 23 of the tool chuck nut 13 is in an expanded state, so that the screw rod can be easily installed; the telescopic system pulls the tool chuck nut 13 backwards to reach a second state, and the threaded hole 23 of the tool chuck nut 13 clamps the screw rod;
in the second state, the rotating system drives the tool chuck nut 13 to rotate, so that the pressing die 12 presses the bearing to the bearing mounting position of the workpiece to be processed.
The embodiment of the utility model provides a bearing pressure equipment machine has following advantage:
1. because the threaded hole 23 of the fixture chuck nut 13 can be contracted and expanded, even if the thread machining and manufacturing error of the workpiece to be machined is large, the workpiece can be smoothly screwed in;
2. by utilizing the adaptation of the T-shaped groove 21 and the T-shaped lug 22, the tool chuck nut 13 can be quickly replaced, and the replacement time is reduced by half or more on the basis of the prior art;
3. when a fault or power failure occurs, the wrench can be manually withdrawn through the wrench operation unit 20;
4. whether the clamping is in place or not is automatically identified by the tool chuck induction plate 14.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.
Claims (10)
1. The bearing press-mounting machine is characterized by comprising a telescopic system, a press die, a rotating system, a quick joint and a tool chuck nut; the telescopic system is connected with the pressing die to drive the pressing die to reciprocate; the rotary system comprises a rotary driving assembly and a core pulling shaft assembly, the quick connector and a tool chuck nut are all arranged in the telescopic system, the rotary driving assembly is connected with the core pulling shaft assembly, and the core pulling shaft assembly is connected with the quick chuck; one end of the quick chuck is provided with a T-shaped groove, one end of the tooling chuck nut is provided with a T-shaped lug matched with the T-shaped groove, and the other end of the tooling chuck nut is provided with a threaded hole.
2. The bearing press-fitting machine according to claim 1, wherein the telescopic system comprises a hydraulic cylinder body, a hydraulic cylinder piston assembly and a press-fitting sleeve; the hydraulic cylinder piston assembly is located in a hydraulic cylinder body, the hydraulic cylinder body is fixedly connected with a press fitting sleeve, and the press fitting sleeve is fixedly connected with a pressing die.
3. The bearing press-fitting machine according to claim 2, wherein one end of the press-fitting sleeve is provided with a first guide inclined surface, and the tool chuck nut is provided with a second guide inclined surface matched with the first guide inclined surface; the one end that frock chuck nut was equipped with the screw hole is slotted and is cut open into a plurality of equal divisions, makes when second direction inclined plane moves along first direction inclined plane, and frock chuck nut's screw hole can expand and contract.
4. The bearing press-fitting machine according to claim 2, wherein the rotary driving assembly includes a motor mounting plate, a motor, a synchronous belt driving wheel, a synchronous belt and a synchronous belt driven wheel; the one end at pneumatic cylinder body is fixed to the motor mounting panel, the motor is installed on the motor mounting panel, the output shaft and the hold-in range action wheel of motor are connected, the hold-in range action wheel passes through the hold-in range and is connected from the driving wheel with the hold-in range, the hold-in range is followed the driving wheel and is connected with drawing the mandrel subassembly.
5. The bearing press-fitting machine according to claim 4, wherein the pull mandrel assembly comprises a pull mandrel lock nut, a pull mandrel front end bearing, a pull mandrel rear end bearing, and a pull mandrel connector; the front end bearing of the pulling core shaft and the rear end bearing of the pulling core shaft are respectively fixed in the hydraulic cylinder piston assembly, and two ends of the pulling core shaft respectively pass through the front end bearing of the pulling core shaft and the rear end bearing of the pulling core shaft; the synchronous belt driving wheel is connected with the pull core shaft to drive the pull core shaft to rotate; draw dabber connector and pneumatic cylinder piston assembly fixed connection for the fixed one end of drawing the dabber, draw spindle lock nut to fix at the other end of drawing the dabber, be used for playing limiting displacement to the hold-in range driven wheel.
6. The bearing press-fitting machine according to claim 4, further comprising an anti-rotation component, wherein the anti-rotation component comprises a guide rod and a guide plate, the guide rod is fixedly connected with the motor mounting plate, the guide plate is sleeved on the guide rod, and the guide plate is fixedly connected with the cylinder body of the hydraulic cylinder.
7. The bearing press-fitting machine according to claim 1, wherein one end of the pulling mandrel is provided with a wrench operation portion for driving the pulling mandrel to rotate.
8. The bearing press-fitting machine according to claim 2, further comprising a tool chuck induction plate, wherein the tool chuck induction plate is connected with a tool chuck nut, and the press-fitting sleeve is provided with an inductor matched with the tool chuck induction plate.
9. The bearing press-fitting machine of claim 1, wherein the tool collet nut expands outwardly by half a screw height when quenched.
10. The bearing press according to claim 4, wherein the motor is a stepping motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920858479.0U CN210361128U (en) | 2019-06-06 | 2019-06-06 | Bearing press-mounting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920858479.0U CN210361128U (en) | 2019-06-06 | 2019-06-06 | Bearing press-mounting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210361128U true CN210361128U (en) | 2020-04-21 |
Family
ID=70263909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920858479.0U Expired - Fee Related CN210361128U (en) | 2019-06-06 | 2019-06-06 | Bearing press-mounting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210361128U (en) |
-
2019
- 2019-06-06 CN CN201920858479.0U patent/CN210361128U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 Termination date: 20210606 |