CN211710132U - Punch die height adjusting device with screw thread clearance eliminating function - Google Patents
Punch die height adjusting device with screw thread clearance eliminating function Download PDFInfo
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- CN211710132U CN211710132U CN201921857443.7U CN201921857443U CN211710132U CN 211710132 U CN211710132 U CN 211710132U CN 201921857443 U CN201921857443 U CN 201921857443U CN 211710132 U CN211710132 U CN 211710132U
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Abstract
The utility model provides a punch press mould height adjusting device with eliminate thread clearance function, mould height adjusting device is including the adjustment turbine, the adjustment worm, adjusting nut and motor, the adjusting nut swivel nut is established on the adjustment turbine, and adjustment turbine and adjusting nut threaded connection, the adjustment worm is connected with the meshing of adjustment turbine, the motor can drive the adjustment worm and be rotary motion, the adjustment worm can drive the adjustment turbine and do and reciprocate, still include that clearance eliminating device includes the locking screw rod, piston cylinder and piston, the piston sets up in the piston cylinder, the locking screw rod sets up in the adjustment turbine, the upper end of locking screw rod is fixed in the up end of adjustment turbine, the lower extreme of locking screw rod is fixed in the piston, the piston can drive the lower extreme of locking screw rod and do and reciprocate. The utility model has the advantages that: the punch die height adjusting device is compact in structure, the efficiency and the precision of die height adjustment of the punch die are improved by adopting a worm and gear structure, and a gap eliminating device is further arranged, so that a thread gap between the adjusting worm and the adjusting nut is eliminated.
Description
Technical Field
The utility model relates to an automated production field, in particular to multifunctional feeding mechanism.
Background
The Chinese utility model patent, publication number is: CN202824460U, published date: 2013-03-27, which discloses a high-precision high-rigidity closed punch overload and die height adjusting device, comprising a guide pillar, a worm gear box, a worm gear gland and an overload oil cylinder, wherein two worm end covers are vertically and parallelly arranged on one side of the worm gear box, a worm is arranged between the two worm end covers, two ends of the worm are connected with the worm gear box through a tapered roller bearing, a worm gear meshed with the worm is transversely arranged in the middle of the worm gear box, the worm gear gland is fixedly arranged at the upper end of the worm gear, an upward vertical adjusting screw rod is arranged in the middle of the worm gear, the outer side of the adjusting screw rod is connected with an adjusting nut through threads, the guide pillar is sleeved at the upper end of the adjusting nut and the outer side of the adjusting screw rod, the overload oil cylinder is connected and arranged at the lower end of the.
However, after the die height of the punch press is adjusted by the turbine-worm die height adjusting device, due to the fact that the thread clearance exists between the adjusting screw and the adjusting nut, when the punch press works for a period of time, the die height of the punch press is changed due to the existence of the thread clearance, and therefore the punching precision of the punch press is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a punch press mould height adjusting device with eliminate thread clearance function.
In order to achieve the above object, the present invention provides the following technical solutions:
a punch die height adjusting device with a thread clearance eliminating function comprises an adjusting worm wheel, an adjusting worm, an adjusting nut and a motor, wherein the adjusting nut is sleeved on the adjusting worm wheel and is in threaded connection with the adjusting nut, the adjusting worm is in meshed connection with the adjusting worm wheel, the motor is connected with the adjusting worm, the motor can drive the adjusting worm to do rotary motion, the adjusting worm can drive the adjusting worm wheel to move upwards or downwards relative to the adjusting nut, the punch die height adjusting device further comprises a locking screw rod, a piston cylinder and a piston, the piston is arranged in the piston cylinder and can do up-and-down piston motion in the piston cylinder, the locking screw rod is arranged in the adjusting worm wheel, the upper end of the locking screw rod is fixed in an upper end hole of the adjusting worm wheel, and the lower end of the locking screw rod is fixed in the piston, the piston can drive the lower end of the locking screw rod to move up and down.
Furthermore, the piston comprises a threaded locking piston and an overload piston, the lower end of the locking screw is installed in the threaded locking piston through a limiting nut, the overload piston is sleeved on the locking screw and located on the upper surface of the threaded locking piston, and the upper surface of the load piston is abutted to the lower surface of the adjusting turbine.
Furthermore, an oil inlet hole is formed in one side of the piston cylinder, a gap exists between the thread locking piston and the overload piston, a piston chamber is formed in the gap, and the oil inlet hole is communicated with the piston chamber.
Further, still include hydraulic pump and hydraulic pressure sensor, the hydraulic pump is connected with the inlet port, hydraulic pressure sensor and hydraulic pump connection, whether the punch press transships is judged to the pressure in the hydraulic pressure sensor detectable piston chamber.
The utility model has the advantages that:
the utility model discloses when the adjustment die is high, rotary motion is done to motor drive adjustment worm earlier to make adjustment worm drive adjustment turbine do for adjusting nut and make upwards or move down, after the high adjustment of punch press mould, the lower extreme that the piston in the piston cylinder drove the locking screw rod is downward, thereby the upper end of locking screw rod drives the adjustment turbine and presss from both sides tightly each other for adjusting nut, makes the screw thread between adjustment turbine and the adjusting nut closely laminate, thereby has eliminated the thread clearance between adjustment turbine and the adjusting nut, the utility model discloses an advantage does: compact structure has adopted the worm gear structure to improve efficiency and the precision of punch press mould height adjustment, but also is provided with clearance remove device, has eliminated the thread clearance between adjustment turbine and the adjusting nut, can prevent that the punch press during operation, the mould height appears changing for punch press punching press precision is higher.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the exploded perspective structure of the present invention;
fig. 3 is a schematic sectional structure of the present invention;
fig. 4 is a partially enlarged structural view at a in fig. 3;
FIG. 5 is a partial enlarged structural view at B in FIG. 4, i.e., a structural view of the thread clearance before clearance is eliminated;
fig. 6 is a partial enlarged structural view at B in fig. 4, that is, a thread clearance structural view after clearance is eliminated.
Detailed Description
The invention is further explained below with reference to the drawings:
as shown in fig. 1 to 6, a die height adjusting device for a punching machine having a function of eliminating a thread clearance is installed between a connecting rod and a slide block of the punching machine, and comprises an adjusting worm wheel 1, an adjusting worm 2, an adjusting nut 3 and a motor 4, wherein the upper end of the adjusting nut 3 is connected with the connecting rod, the lower end of the adjusting nut 3 is connected with the slide block, and the slide block is used for installing a punching die.
Wherein, the adjusting nut and screw sleeve 3 in this embodiment is arranged on the adjusting worm wheel 1, the adjusting worm wheel 1 is in threaded connection with the adjusting nut 3, the adjusting worm 2 is in meshed connection with the adjusting worm wheel 1, the motor 4 is connected with the adjusting worm 2, the motor 4 can drive the adjusting worm 2 to do rotation motion, the adjusting worm 2 can drive the adjusting worm wheel 1 to do upward or downward movement relative to the adjusting nut 3, the distance of the die height is shortened when the adjusting worm wheel 1 moves upward, and the distance of the die height is lengthened when the adjusting worm wheel 1 moves downward, thereby realizing the adjustment of the die height.
The gap eliminating device is further arranged in the embodiment and comprises a locking screw rod 5, a piston cylinder 6 and a piston 7, the piston 7 is arranged in the piston cylinder 6 and can move up and down in the piston cylinder 6, the locking screw rod 5 is arranged in the adjusting turbine 1, the upper end of the locking screw rod 5 is fixed in an upper end hole of the adjusting turbine 1, the lower end of the locking screw rod 5 is fixed in the piston 7, and the piston 7 can drive the lower end of the locking screw rod 5 to move up and down.
Further, the piston 7 comprises a threaded locking piston 71 and an overload piston 72, the lower end of the locking screw 5 is installed in the threaded locking piston 71 through a limiting nut, the overload piston 72 is sleeved on the locking screw 5 and is located on the upper surface of the threaded locking piston 71, and the upper surface of the load piston 72 is abutted to the lower surface of the adjusting turbine 1.
Further, an oil inlet hole 61 is formed in one side of the piston cylinder 6, a clearance exists between the thread locking piston 71 and the overload piston 72, the clearance forms a piston chamber, and the oil inlet hole 61 is communicated with the piston chamber 6.
Further, the punching machine further comprises a hydraulic pump and a hydraulic pressure sensor, wherein the hydraulic pump is connected with the oil inlet 61, the hydraulic pressure sensor is connected with the hydraulic pump, and the hydraulic pressure sensor can detect the pressure in the piston chamber 6 to judge whether the punching machine is overloaded or not.
The utility model discloses a theory of operation does:
the utility model discloses when the adjustment die is high, 4 drive adjustment worms of motor 2 earlier are rotary motion to make adjustment worm 2 drive adjustment turbine 1 do upwards or move down for adjusting nut 3, after the punch press die height has adjusted, piston 7 in the piston cylinder 6 drives the lower extreme of locking screw 5 downwards, thereby locking screw 5's upper end drives adjustment turbine 1 and presss from both sides tightly each other for adjusting nut 3, makes the screw thread between adjustment turbine 1 and the adjusting nut 3 closely laminate, thereby eliminated threaded clearance between adjustment turbine 1 and the adjusting nut 3, the utility model has the advantages of: compact structure has adopted the worm gear structure to improve efficiency and the precision of punch press mould height adjustment, but also is provided with clearance remove device, has eliminated the thread clearance between adjustment turbine 1 and adjusting nut 3, can prevent that the punch press during operation, the mould height appears changing for punch press punching press precision is higher.
The above description is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a punch press mould height adjusting device with eliminate thread clearance function, mould height adjusting device is including adjusting turbine, adjustment worm, adjusting nut and motor, the adjusting nut swivel nut is established on adjusting turbine, just the adjusting turbine is connected with adjusting nut threaded connection, the adjustment worm is connected with the meshing of adjusting turbine, the motor is connected with the adjusting worm, the motor can drive the adjusting worm and be rotary motion, the adjusting worm can drive the adjusting turbine and do upwards or move down for adjusting nut, its characterized in that: the clearance eliminating device comprises a locking screw rod, a piston cylinder and a piston, the piston is arranged in the piston cylinder and can move up and down in the piston cylinder, the locking screw rod is arranged in the adjusting turbine, the upper end of the locking screw rod is fixed in an upper end hole of the adjusting turbine, the lower end of the locking screw rod is fixed in the piston, and the piston can drive the lower end of the locking screw rod to move up and down.
2. The die height adjusting device for punching machine with thread clearance eliminating function according to claim 1, characterized in that: the piston comprises a thread locking piston and an overload piston, the lower end of the locking screw is installed in the thread locking piston through a limiting nut, the overload piston is sleeved on the locking screw and located on the upper surface of the thread locking piston, and the upper surface of the load piston is abutted to the lower surface of the adjusting turbine.
3. The die height adjusting device for punching machine with thread clearance eliminating function according to claim 2, characterized in that: and an oil inlet hole is formed in one side of the piston cylinder, a gap exists between the thread locking piston and the overload piston, a piston chamber is formed in the gap, and the oil inlet hole is communicated with the piston chamber.
4. The die height adjusting device for punching machine with thread clearance eliminating function according to claim 3, characterized in that: the hydraulic pump is connected with the oil inlet hole, the hydraulic pressure sensor is connected with the hydraulic pump, and the hydraulic pressure sensor can detect the pressure in the piston chamber to judge whether the punch press is overloaded or not.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921857443.7U CN211710132U (en) | 2019-10-31 | 2019-10-31 | Punch die height adjusting device with screw thread clearance eliminating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921857443.7U CN211710132U (en) | 2019-10-31 | 2019-10-31 | Punch die height adjusting device with screw thread clearance eliminating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211710132U true CN211710132U (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921857443.7U Active CN211710132U (en) | 2019-10-31 | 2019-10-31 | Punch die height adjusting device with screw thread clearance eliminating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211710132U (en) |
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2019
- 2019-10-31 CN CN201921857443.7U patent/CN211710132U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201016 Address after: Room 102, building 1, No.8 Chuangxing Middle Road, Gaobu Town, Dongguan City, Guangdong Province 523000 Patentee after: Dongguan Weide automation equipment Technology Co.,Ltd. Address before: 523000 four building, Pujing Industrial Park, 688-25 Fu Min Road, Dalang Town, Dalang, Dongguan, Guangdong Patentee before: DONGGUAN KAIFANG INDUSTRIAL Co.,Ltd. |