CN220204632U - Gear clearance adjusting device suitable for electric screw press - Google Patents
Gear clearance adjusting device suitable for electric screw press Download PDFInfo
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- CN220204632U CN220204632U CN202321596050.1U CN202321596050U CN220204632U CN 220204632 U CN220204632 U CN 220204632U CN 202321596050 U CN202321596050 U CN 202321596050U CN 220204632 U CN220204632 U CN 220204632U
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Abstract
The utility model discloses a gear clearance adjusting device suitable for an electric screw press, which comprises a plurality of groups of wedging seats symmetrically arranged on two sides of a motor, wherein the bottoms of the wedging seats are fixedly connected with an upper cross beam, and wedging blocks are inserted into clearances between the wedging seats and the motor. The axial position of the motor is changed by adjusting the wedging depth of the wedging block, so that the gap between the pinion on the motor spindle and the flywheel is adjusted. The gear clearance adjusting device is fixedly connected with the upper cross beam through the wedging seat, and keeps fixed when the vibration conduction wedging seat is arranged; the wedge blocks with the trapezoid structures increase the stress area of the wedge blocks with the side edges of the motor, after the plurality of groups of wedge blocks collide with the side edges of the motor, the pressing force on the two sides of the motor is increased, the fixation bolts of the motor are prevented from loosening after long-time working, and the meshing precision between gears is ensured; meanwhile, the wedging seat is in limit connection with the wedging block, so that the wedging block is prevented from falling off due to vibration, and potential safety hazards are reduced.
Description
Technical Field
The embodiment of the utility model belongs to the technical field of gear transmission, and particularly relates to a gear clearance adjusting device suitable for an electric screw press.
Background
The existing domestic screw press is driven by utilizing the meshing of a pinion directly arranged on a motor main shaft and a large flywheel, and because the motor outputs large torque and the equipment vibrates greatly in work, the axis connecting line of the motor gear cannot be coplanar with the axis of the large flywheel, and as a result, the motor gear is not well meshed with the flywheel, the vibration is increased, the screw is easy to drop, and the like, and the pinion is damaged.
The prior equipment generally adopts two groups of opposite top screws to adjust the gear clearance, and has the defects that: (1) the opposite screw can only compress and position several points, the compressing force is very limited, and the aim of positioning cannot be achieved. Vibration force generated by the equipment in operation directly acts on the compression screw, looseness is easy to occur after long-time work, gear clearance is changed, and the screw needs to be screwed again. (2) After the screw is loosened, the screw is easy to fall off, and as the motor is arranged on the upper beam of the machine body and has a height difference of a plurality of meters with the ground, the screw or the nut is easy to smash staff on the ground after being loosened, thereby causing potential safety hazards.
Therefore, a gear gap adjusting device is needed in the present stage, which has a simple structure, is convenient to install, can conveniently adjust the gear gap, and can realize the function of quickly and conveniently adjusting the gear gap while safely and firmly fixing the motor.
Disclosure of Invention
Aiming at the problems that the pressing force of the opposite screw in the prior art is limited and the opposite screw is easy to fall under vibration to injure workers, the utility model provides a gear clearance adjusting device suitable for an electric screw press to solve the problems.
In order to achieve the above object, the present utility model provides a gear gap adjustment device suitable for an electric screw press, comprising: the plurality of groups of wedging seats are symmetrically arranged on two sides of the motor, the bottoms of the wedging seats are fixedly connected with the upper cross beam, and wedging blocks are inserted into gaps between the side edges of the wedging seats and the motor; the two ends of the wedging seat are in limit connection with the wedging blocks through the wedging adjusting structure, and the wedging gap depth of the wedging blocks is adjusted through the wedging adjusting structure, so that the axial position of the motor is changed, and the gap between the pinion gear on the motor main shaft and the flywheel is adjusted.
Further, the wedging adjustment structure comprises a first pressing plate bolt, a first tension bolt and a first pressing plate; the first pressing plate is positioned at the bottom of the wedging seat; the first pressing plate bolt penetrates through one end of the first pressing plate to be in threaded connection with the wedging seat, the first pressing plate is pressed and fixed at the bottom of the wedging seat, and the first tension bolt penetrates through the other end of the first pressing plate to be in threaded connection with the top of the wedging block.
Further, the wedging adjusting structure is further provided with a second pressing plate bolt, a second tension bolt and a second pressing plate; the second pressing plate is positioned at the top of the wedging seat; the second pressing plate bolt penetrates through one end of the second pressing plate to be in threaded connection with the bottom of the wedging block, the second pressing plate is pressed and fixed at the bottom of the wedging block, and the second tensioning bolt penetrates through the other end of the second pressing plate to be in threaded connection with the top of the wedging seat.
Further, the wedging seat is of a right trapezoid structure and is fixed on the upper cross beam through a fixing bolt.
Further, the wedging block structure is the same as the wedging seat, and the wedging block structure and the wedging seat are reversely placed and the bevel edges of the wedging block structure and the wedging seat are in conflict.
Further, a limit chute is arranged on one side of the wedge block bevel edge, and a bump matched with the limit chute is arranged on one side of the wedge block bevel edge.
Further, one side of the wedging block close to the motor is fixedly provided with an adjusting base plate.
Further, the wedging seat is further provided with a vertical flat key and a horizontal flat key respectively, and the upper cross beam is provided with a corresponding vertical key slot and a corresponding horizontal key slot.
In general, the above technical solutions conceived by the present utility model, compared with the prior art, enable the following beneficial effects to be obtained:
(1) The gear clearance adjusting device can accurately adjust the gear clearance only by adjusting the screwing depth of the screw teeth of the first tension bolt and the screw teeth of the second tension bolt, has simple structure, reasonable design and convenient installation, can conveniently adjust the gear clearance, and can safely and firmly fix the motor, thereby ensuring the stability of the gear clearance.
(2) According to the gear clearance adjusting device, after the side edges of the motor are abutted through the plurality of groups of wedging blocks, the pressing force on the two sides of the motor is increased, the motor is axially positioned, and because the contact surface between the wedging blocks and the side edges of the motor is large, vibration can be scattered and transmitted to the plurality of groups of wedging blocks and the wedging seats, so that looseness of a fixing bolt of the motor after long-time work is avoided, and the meshing precision between gears is ensured.
(3) According to the gear clearance adjusting device, the vertical key grooves and the horizontal key grooves are respectively embedded into the vertical key grooves and the horizontal key grooves, so that the horizontal swing of the wedging seat is limited, the looseness of bolts is avoided, the connection strength with the upper cross beam is increased, and the support is provided for the compression force generated by wedging the wedging block into the clearance.
(4) According to the gear gap adjusting device, the wedging seat is in limiting connection with the wedging block through the wedging adjusting structure, so that the wedging block is prevented from loosening during long-term vibration and is reversely extruded out of a gap, and the effect of adjusting the gear gap of the positioning motor 1 can not be achieved; through being equipped with spacing spout and the lug to the adaptation, avoided the vibration to lead to the wedging piece to break away from the wedging seat along vertical direction, reduced the potential safety hazard.
Drawings
FIG. 1 is a schematic view of a gear clearance adjustment device for an electric screw press according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a connection structure between a wedging seat and a wedging block according to an embodiment of the present utility model;
fig. 3 is a schematic structural view of an adjusting pad according to an embodiment of the utility model.
Like reference numerals denote like technical features throughout the drawings, in particular: the device comprises a 1-motor, a 2-upper beam, a 3-flywheel, a 4-pinion, a 5-first pressing plate bolt, a 6-first tension bolt, a 7-first pressing plate, an 8-fixing bolt, a 9-wedging seat, a 10-wedging block, an 11-adjusting base plate, a 12-vertical flat key, a 13-horizontal flat key, a 14-second pressing plate bolt, a 15-second tension bolt and a 16-second pressing plate.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1-3, the utility model provides a gear clearance adjusting device suitable for an electric screw press, which comprises a plurality of groups of wedging seats 9 symmetrically arranged on two sides of a motor 1, wherein the bottom of the wedging seats 9 is fixedly connected with an upper cross beam 2, and wedging blocks 10 are inserted into the clearance between the side edges of the wedging seats and the motor 1. By adjusting the wedging depth of the wedging block 10, the axial position of the motor 1 is changed, so that the gap between the pinion 4 on the main shaft of the motor 1 and the flywheel 3 is adjusted, and good meshing precision between the pinion 4 and the flywheel 3 is ensured. The gear clearance adjusting device is fixedly connected with the upper cross beam through the wedging seat 9, and keeps fixed when the vibration conduction wedging seat 9 is positioned on the upper cross beam, so that the gear clearance adjusting device can be used as a good stress point; the wedge blocks 10 with the right trapezoid structures increase the stress area with the side edges of the motor 1, after the plurality of groups of wedge blocks 10 collide with the side edges of the motor 1, the pressing force on the two sides of the motor 1 is increased, the axial positioning of the motor 1 is completed, and as the contact surface between the wedge blocks 10 and the side edges of the motor 1 is large, vibration can be conducted to the plurality of groups of wedge blocks 10 and the wedge blocks 9 in a dispersing way, so that the looseness of the fixing bolts of the motor 1 after long-time working is avoided, and the meshing precision between gears is ensured; meanwhile, the wedging seat 9 is in limit connection with the wedging block 10, so that the wedging block 10 is prevented from falling off due to vibration, and potential safety hazards are reduced.
As shown in fig. 2-3, the wedging seat 9 is a right trapezoid structure, and is fixed on the upper beam 2 through a fixing bolt 8. Further, in order to prevent the bolt from loosening due to long-time vibration, the wedging seat 9 is separated from the upper beam 2; the wedging seat 9 is further provided with a vertical flat key 12 and a horizontal flat key 13 respectively, the upper cross beam 2 is provided with a corresponding vertical key groove and a corresponding horizontal key groove, the vertical key groove and the horizontal key groove are respectively embedded into the vertical flat key 12 and the horizontal flat key 13, so that horizontal swing of the wedging seat 9 is limited, loosening of bolts is avoided, meanwhile, the connection strength with the upper cross beam 2 is also increased, and a support is provided for the pressing force generated by wedging a wedging block 10 in a gap.
The structure of the wedging block 10 is the same as that of the wedging seat 9, the wedging block 10 and the wedging seat 9 are reversely placed, the inclined edge of the wedging block 10 is abutted against the inclined edge of the wedging seat 9, and the side of the right-angle side of the wedging block is abutted against the side edge of the motor 1. Further, in order to avoid inconsistent widths of the motors 1 of different models, the wedging block 10 cannot be matched for interference positioning, one side of the wedging block 10 close to the motor 1 is fixedly provided with an adjusting base plate 11, the adjusting base plate is fixedly connected with the wedging block 10 by bolts, and when the motors 1 of different models are matched, the adjusting base plate 11 with corresponding thickness is fixedly connected with the wedging block 10 so as to adapt to the distance between the two.
In order to adjust the wedging depth of the wedging block 10, two ends of the wedging seat 9 are provided with wedging adjusting structures, which comprise a first pressing plate bolt 5, a first tension bolt 6, a first pressing plate 7, a second pressing plate bolt 14, a second tension bolt 15 and a second pressing plate 16.
The first pressing plate 7 is located at the bottom of the wedging seat 9, a group of through holes are formed in two ends of the first pressing plate 7, the first pressing plate bolt 5 is in threaded connection with the wedging seat 9 after passing through the through holes formed in one end of the first pressing plate 7, the first pressing plate 7 is pressed and fixed at the bottom of the wedging seat 9, and the first tension bolt 6 is in threaded connection with the top of the wedging block 10 after passing through the through holes formed in the other end of the first tension bolt. By adjusting the first tension bolt 6, the wedging block 10 can be adjusted to wedge the clearance depth, the pressing force on the side edge of the motor 1 is increased when the motor 1 is adjusted in the axial direction, and the motor is positioned.
The second pressing plate 16 is located at the top of the wedging seat 9, two ends of the second pressing plate are respectively provided with a group of through holes, the second pressing plate 16 is pressed and fixed at the bottom of the wedging block 10 through one group of through holes by the second pressing plate bolts 14, and the second tightening bolts 15 are in threaded connection with the top of the wedging seat 9 through the other group of through holes. The second pressing plate 16 is limited and locked by adjusting the second tension bolt 15, so that the wedging block 10 is prevented from loosening during long-term vibration, and the gap is extruded reversely, so that the effect of adjusting the gear gap by the positioning motor 1 can not be achieved.
Further, in order to prevent the wedging block 10 from separating from the gap between the wedging seat 9 and the motor 1 along the vertical direction when vibrating for a long time, a limit chute is arranged on one side of the inclined side of the wedging block 10, a bump matched with the limit chute is arranged on one side of the inclined side of the wedging seat 9, and the displacement of the bump along the vertical direction is limited by the limit chute, so that the wedging block 10 is prevented from separating from the wedging seat 9 along the vertical direction due to vibration.
When the gear clearance adjusting device is installed, the two side surfaces of the installation plate of the motor 1 are required to be subjected to finish machining, the dimension of the two sides taking the main shaft of the motor 1 as a central line is ensured to be uniform, the wedging seat 9 is positioned with the upper cross beam 2 through the vertical flat key 12 and the horizontal flat key 13 and is fastened on the upper cross beam 2 through the fixing bolt 8, the adjusting base plate 11 is fixed on the wedging block 10 through a screw, then the wedging block 10 is inserted into a clearance between the wedging seat 9 and the motor 1, then the wedging clearance depth is adjusted through the wedging adjusting structures at the upper end and the lower end of the wedging block 10, so that the clearance between the pinion 4 on the main shaft of the motor 1 and the flywheel mesh 3 is adjusted, good meshing precision between the pinion 4 and the flywheel is ensured, and finally the motor 1 and the upper cross beam 2 are connected and fixed through the screw.
The gear clearance adjusting device can accurately adjust the gear clearance only by adjusting the screwing depth of the screw teeth of the first tension bolt 6 and the second tension bolt 15, has a simple structure, reasonable design and convenient installation, can conveniently adjust the gear clearance, and can safely and firmly fix the motor, thereby ensuring the stability of the gear clearance.
According to the gear clearance adjusting device, after the side edges of the motor 1 are abutted through the plurality of groups of wedging blocks 10, the pressing force on the two sides of the motor 1 is increased, the motor 1 is axially positioned, and as the contact surface between the wedging blocks 10 and the side edges of the motor 1 is large, vibration can be conducted to the plurality of groups of wedging blocks 10 and the wedging seats 9 in a scattered manner, so that the problem that the fixing bolts of the motor 1 are loosened after long-time working is avoided, and the meshing precision between gears is ensured.
According to the gear clearance adjusting device, the vertical key grooves and the horizontal key grooves are respectively embedded into the vertical flat key 12 and the horizontal flat key 13, so that the horizontal swing of the wedging seat 9 is limited, the looseness of bolts is avoided, the connection strength with the upper beam 2 is increased, and the support is provided for the pressing force generated by wedging the wedging block 10 into the clearance.
According to the gear gap adjusting device, the wedging seat 9 is in limiting connection with the wedging block 10 through the wedging adjusting structure, so that the wedging block 10 is prevented from loosening during long-term vibration and is reversely extruded out of a gap, and the effect of adjusting the gear gap of the positioning motor 1 can not be achieved; through being equipped with spacing spout and the lug to the adaptation, avoided the vibration to lead to wedge 10 to break away from wedge seat 9 along vertical direction, reduced the potential safety hazard.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (8)
1. A gear clearance adjustment device for an electric screw press, comprising:
the plurality of groups of wedging seats (9) are symmetrically arranged on two sides of the motor (1), the bottoms of the wedging seats (9) are fixedly connected with the upper cross beam (2), and wedging blocks (10) are inserted into gaps between the side edges of the wedging seats and the motor (1);
the two ends of the wedging seat (9) are in limit connection with the wedging blocks (10) through the wedging adjusting structure, and the wedging gap depth of the wedging blocks (10) is adjusted through the wedging adjusting structure, so that the axial position of the motor (1) is changed, and the gap between the pinion (4) on the main shaft of the motor (1) and the flywheel (3) is adjusted.
2. Gear gap adjustment device for electric screw presses according to claim 1, characterized in that the wedging adjustment structure comprises a first press plate bolt (5), a first tension bolt (6) and a first press plate (7); the first pressing plate (7) is positioned at the bottom of the wedging seat (9); the first pressing plate bolt (5) penetrates through one end of the first pressing plate (7) to be in threaded connection with the wedging seat (9), the first pressing plate (7) is pressed and fixed at the bottom of the wedging seat (9), and the first tension bolt (6) penetrates through the other end of the first pressing plate (7) to be in threaded connection with the top of the wedging block (10).
3. A gear clearance adjustment device for an electric screw press according to claim 2, characterized in that the wedging adjustment structure is further provided with a second press plate bolt (14), a second tension bolt (15) and a second press plate (16); the second pressing plate (16) is positioned at the top of the wedging seat (9); the second pressing plate bolt (14) penetrates through one end of the second pressing plate (16) to be in threaded connection with the bottom of the wedging block (10), the second pressing plate (16) is pressed and fixed on the bottom of the wedging block (10), and the second tensioning bolt (15) penetrates through the other end of the second pressing plate (16) to be in threaded connection with the top of the wedging seat (9).
4. A gear clearance adjustment device for an electric screw press according to any one of claims 1-3, characterized in that the wedging seat (9) is of right trapezoid-like structure, which is fixed to the upper cross member (2) by means of a fixing bolt (8).
5. The gear gap adjusting device for the electric screw press according to claim 4, wherein the wedging block (10) has the same structure as the wedging seat (9), and the wedging block and the wedging seat are reversely placed and the bevel edges of the wedging block and the wedging seat are in contact.
6. The gear clearance adjusting device suitable for the electric screw press according to claim 5, wherein a limit chute is formed on one side of the inclined edge of the wedging block (10), and a bump matched with the limit chute is arranged on one side of the inclined edge of the wedging seat (9).
7. A gear clearance adjustment device for an electric screw press according to any one of claims 1-3, characterized in that the wedging block (10) is also fixedly provided with an adjustment backing plate (11) on the side close to the motor (1).
8. A gear clearance adjustment device for an electric screw press according to any one of claims 1-3, characterized in that the wedging seat (9) is further provided with a vertical flat key (12) and a horizontal flat key (13), respectively, and the upper cross beam (2) is provided with corresponding vertical and horizontal keyways.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321596050.1U CN220204632U (en) | 2023-06-21 | 2023-06-21 | Gear clearance adjusting device suitable for electric screw press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321596050.1U CN220204632U (en) | 2023-06-21 | 2023-06-21 | Gear clearance adjusting device suitable for electric screw press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204632U true CN220204632U (en) | 2023-12-19 |
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ID=89141086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321596050.1U Active CN220204632U (en) | 2023-06-21 | 2023-06-21 | Gear clearance adjusting device suitable for electric screw press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204632U (en) |
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2023
- 2023-06-21 CN CN202321596050.1U patent/CN220204632U/en active Active
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