CN214080133U - Differential mechanism tightening machine - Google Patents
Differential mechanism tightening machine Download PDFInfo
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- CN214080133U CN214080133U CN202022744739.7U CN202022744739U CN214080133U CN 214080133 U CN214080133 U CN 214080133U CN 202022744739 U CN202022744739 U CN 202022744739U CN 214080133 U CN214080133 U CN 214080133U
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Abstract
The utility model discloses a differential mechanism tightening machine, which comprises a frame, the frame has workstation, its characterized in that: be provided with vertical support body on the workstation, be provided with vertical slide rail on the vertical support body, be provided with the slide through servo motor A drive from top to bottom on the vertical slide rail, be provided with horizontal slide rail on the slide, install two removal slip tables through servo motor B left and right sides drive on the horizontal slide rail, all install on every removal slip table and screw up the rifle, be provided with the frock on the mesa of workstation, the frock is installed on servo revolving stage, servo revolving stage passes through servo motor C drive rotation. Adopt the utility model discloses a differential mechanism tightens machine can improve assembly efficiency.
Description
Technical Field
The utility model relates to a slow flow equipment that the fluid hinders especially is applied to slow flow equipment of water conservancy flood control.
Background
The differential mechanism is structurally composed of a differential mechanism shell, an upper half shaft gear, an upper gasket, a planetary gear, a cross shaft, a lower half shaft gear, a lower gasket and a differential mechanism gear. The differential shell is connected with the gear in a mode that a plurality of connecting holes are uniformly formed in the circumferential direction, and the differential shell is in threaded connection with the gear through screws. In the existing assembly process of the main speed reducer, an assembly worker generally adopts a common tool to manually carry out the assembly process, and in the assembly process, the artificial randomness is large, so that the product quality is unstable, and the production efficiency is low.
In addition, chinese patent CN208304338U discloses an automatic screw tightening mechanism, and specifically discloses: the nail removing device comprises a rack, an installation support, a jacking assembly, a screwing mechanism and a nail receiving mechanism, wherein the installation support is installed on the rack, a driving air cylinder is installed at the top of the rack, a first fixing seat is installed on the driving air cylinder, a nail removing air cylinder is installed on the first fixing seat, and a second fixing seat is installed on the nail removing air cylinder; the tightening mechanism comprises a servo screw tightening gun arranged on the first fixed seat and a screwdriver head connected with the servo screw tightening gun through a connector, a pressure head is fixed on the second fixed seat, and a screw chuck is arranged on the pressure head; the jacking assembly comprises a jacking mounting frame fixed at the bottom of the rack, a workpiece separation cylinder and a tray jacking cylinder which are arranged on the jacking mounting frame, and a jacking plate arranged at the upper end of the workpiece separation cylinder, wherein a tray positioning pin and a tray supporting pin are arranged on the jacking plate; the nail receiving mechanism comprises a mounting frame fixed on the mounting support, a nail receiving extending cylinder and a nail receiving disc which are mounted on the mounting frame, a movable door mounted on the nail receiving disc, and a nail receiving box communicated with the nail receiving disc, wherein a follower roller is arranged on the movable door, a small spring is arranged on the follower roller, and a roller collision block is arranged on the small spring.
Although the above patent discloses automatic tightening of the screws, the structure of the above patent is not suitable for connecting the housing of the differential to the gear, especially for a differential in which a plurality of connection locations are uniformly circumferentially arranged. Therefore, a quick tightening machine for a differential is required.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a quick and accurate differential mechanism tightens machine.
In order to achieve the above object, the present invention is realized as follows: a differential tightening machine includes a frame having a table, characterized in that: be provided with vertical support body on the workstation, be provided with vertical slide rail on the vertical support body, be provided with the slide through servo motor A drive from top to bottom on the vertical slide rail, be provided with horizontal slide rail on the slide, install two removal slip tables through servo motor B left and right sides drive on the horizontal slide rail, all install on every removal slip table and screw up the rifle, be provided with the frock on the mesa of workstation, the frock is installed on servo revolving stage, servo revolving stage passes through servo motor C drive rotation. The differential tightening machine adopting the mode to set up is characterized in that the differential shell and the gear are preassembled through screws and are placed on the common device, the two tightening guns capable of moving left and right simultaneously tighten the two screws on the same axis on the differential shell and the gear, and after the tightening is finished, the tool is rotated through the servo motor C, so that the differential shell and the gear rotate to the next position needing to be tightened, and the tightening guns are driven again to tighten the two screws on the same axis. Therefore, not only the working efficiency is improved, but also the product quality is improved,
for further raise the efficiency and precision, still include ball screw mechanism, ball screw mechanism includes positive and negative ball screw, positive and negative ball screw's left section is positive thread section/negative thread section, right section is negative thread section/positive thread section, the spiro union has removal slip table mount pad respectively on positive thread section and the negative thread section, two removal slip tables are connected with the removal slip table mount pad of positive thread section department and the removal slip table mount pad of negative thread section department respectively, positive and negative ball screw passes through servo motor B drive is rotatory.
Preferably, the servo turntable and the servo motor C are mounted under a table top of the workbench.
In order to further improve the product quality, a product pressing mechanism which extends downwards is arranged on the sliding plate.
Preferably, the product hold-down mechanism comprises a sleeve fixedly connected to the sliding plate, a hold-down rod extending downwards is installed in the sleeve, a step surface is arranged at the bottom of the hold-down rod, and a spring is arranged between the step surface and the end face of the sleeve.
In order to further improve the safety performance, a safety net is arranged outside the frame.
In order to further improve the operation convenience, the device also comprises a control panel.
Has the advantages that:
the utility model discloses a differential mechanism tightens machine simple structure, location accuracy, convenient operation, production efficiency and degree of automation height.
The positive and negative ball screws are adopted, two sets of tightening guns are driven by the servo motor simultaneously, different center distance conversion values are obtained, and tightening of different reference circle center distance bolt groups can be well met. Two screws on the differential shell and the gear on the same axis are simultaneously screwed through two sets of screwing guns, and the servo rotary table drives the tool to rotate, so that the screws arranged in the circumferential direction can be quickly screwed. The working efficiency is improved, and the product quality is further improved through the mechanized operation. In addition, the middle parts of the differential shell and the gear can be tightly pressed through the product pressing mechanism, the reliability of installation of the product on a tool is improved, and meanwhile, the product is prevented from displacing or shaking when the tightening gun works.
Drawings
FIG. 1 is an isometric view of a differential tightening machine of an embodiment;
FIG. 2 is a front view of the differential tightener of the embodiment;
FIG. 3 is a rear view of the differential tightener of the embodiment;
FIG. 4 is a plan view of the differential tightener in the embodiment;
FIG. 5 is a partial view of a slide plate of the differential tightener of the embodiment;
fig. 6 is a partial view of a ball screw mechanism of the differential tightener in an embodiment.
Description of reference numerals: the automatic control device comprises a frame 1, a workbench 11, a vertical frame body 2, a vertical slide rail 21, a servo motor A3, a slide plate 4, a transverse slide rail 41, a movable sliding table 5, a tightening gun 6, a positive and negative ball screw 7, a movable sliding table mounting seat 8, a servo motor B9, a tooling 10, a servo rotary table 12, a servo motor C13, a sleeve 14, a pressing rod 15, a spring 16, a safety net 17 and a control cabinet 18.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, but the present invention is not limited to these embodiments, and any modifications or replacements within the basic spirit of the embodiments still fall within the scope of the present invention claimed in the claims.
Example (b): as shown in fig. 1 to 6, the present embodiment provides a differential tightening machine, particularly for tightening screws at an even number of screwing positions evenly distributed in the circumferential direction of the differential case and the gear. Including frame 1, the frame has the workstation, be provided with vertical support body 2 on the workstation, vertical support body is rectangular frame formula, be provided with vertical slide rail 21 on the vertical stem at rectangular frame's both ends, be provided with slide 4 through servo motor A3 upper and lower drive on the vertical slide rail, servo motor A installs rectangular frame's top to through the telescopic link that stretches out downwards with the middle part fixed connection of slide. Therefore, the sliding plate can be driven to slide up and down along the vertical sliding rail through the servo motor A.
And, be provided with horizontal slide rail 41 on the slide, horizontal slide rail is two of parallel, install two on the horizontal slide rail and remove slip table 5, each removes the slip table and all installs tightening gun 6. Still include ball screw mechanism, ball screw mechanism includes positive and negative ball screw 7, positive and negative ball screw's left side section is regular thread section or reverse thread section, right side section for reverse thread section or regular thread section, the spiro union has removal slip table mount pad 8 on regular thread section and the reverse thread section respectively, two removal slip tables respectively with the removal slip table mount pad of positive thread section department and the removal slip table mount pad fixed connection of reverse thread section department, and positive and negative ball screw passes through servo motor B9 drive is rotatory. Therefore, the servo motor B drives the positive and negative ball screws to rotate, the two movable sliding table mounting seats in threaded connection with the positive and negative ball screws drive the movable sliding tables to move in the opposite directions or in the opposite directions, the center distance of the two tightening guns can be adjusted through the opposite directions or in the opposite directions, and the tightening of different reference circle center distance bolt groups is matched.
As an embodiment of this embodiment, the ball screw is provided with limiting members at both ends thereof for the movable sliding table mounting base.
In addition, be provided with the frock 10 that is used for installing differential mechanism casing and gear assembly on the mesa of workstation, the frock is installed on servo revolving stage 12, servo revolving stage passes through servo motor C13 drive rotation. As an implementation manner in this embodiment, the servo turntable and the servo motor C are disposed below the worktable. The servo rotary table is driven to rotate by the servo motor, and the tool is driven to rotate by the servo rotary table, so that the tool can drive a product to rotate to enable the position needing to be screwed to be right opposite to the screwing gun in the working process of the screwing machine. The working efficiency is improved.
As one of the embodiments in this embodiment, the sliding plate is provided with a product pressing mechanism protruding downward. The product hold-down mechanism comprises a sleeve 14 fixedly connected to the sliding plate, a hold-down rod 15 extending downwards is mounted in the sleeve, a limiting step can be arranged inside the sleeve, a limiting boss is arranged at the end of the hold-down rod, and the hold-down rod is slidably connected with the sleeve through the limiting step and the limiting boss. Or may be connected in other ways. In addition, the bottom of the pressing rod is provided with a step surface, and a spring 16 is arranged between the step surface and the end surface of the sleeve. The end part of the pressing rod is provided with an arc surface, the axis of the pressing rod is right opposite to the center of the tool, and when the differential shell and the gear are installed on the tool, the pressing rod presses the center of a product downwards.
As an embodiment in this embodiment, a safety net 17 is provided on the housing. The safety net is arranged on three sides of the working table, the other side of the safety net is used for workers to operate, and a control cabinet 18 is arranged behind the frame and used for controlling the opening and closing of the servo motor and other electric control structures. Also comprises a control panel. The control panel is a panel (IPC interface) with a graphic display function, work order completion confirmation can be manually carried out on the interface, a tightening curve, a tightening torque and an angle value of each shaft are graphically displayed, a qualified/unqualified state is displayed, the design of the tightening shaft needs to meet the requirement that calibration equipment can be calibrated quickly, and space and software need to be considered during design. The data is stored in a single machine system, the tightening gun is an off-line single machine semi-automatic device, the electric tightening shaft is adopted for automatic tightening, the tightening curve of each shaft is uniformly stored in a server, and the curve can be inquired through the software of the tightening shaft. The operation panel is arranged at the most convenient operation part (considering man-machine matching and preventing head collision) on one side of an operator, can rotate and move, and is used for setting the error-proofing, debugging, maintenance, manual operation buttons and equipment fault information of the equipment in the touch screen and setting the common operation buttons on the operation panel.
In this embodiment, each tightening gun in the tightening machine should be able to operate independently as an independent system, failure of any one tightening gun does not affect the operation of other tightening guns, and failure information of a certain tightening gun can be displayed independently and identified for identification. And the tightening machine is provided with an emergency stop button and a forward and reverse rotation selection key. And is provided with a controllable lifting button, and can screw bolts at different heights. The tightening machine has a self-checking function of tightening results, automatic judgment can be realized for the tightening of unqualified bolts, the position of the unqualified tightening head bolt is displayed, an audible and visual alarm is given, and manual intervention can be performed on an automatic tightening station. The tightening machine has the functions of storing, deriving and analyzing tightening process images, tightening process curves and corresponding result data, the tightening machine of the embodiment is provided with 100000 product data storage spaces, data can be copied by mobile equipment such as a U disk and the like, the data is required to be in one-to-one correspondence with bolts and transmission assemblies, the corresponding relation between a tightening shaft and the tightening bolts can be identified, the recorded data comprises product flow numbers, tightening dates and times, tightening process curves, tightening torques, tightening angles and the like of each bolt, and the data is stored in a system of the tightening machine. The tightening quality data need to be in one-to-one correspondence with the bolts, i.e. the tightening sequence is controlled.
The tightening machine of the embodiment has the functions of sound and light alarm, automatic stop and emergency stop when in fault. Has the working state display function and the anti-leakage screwing function. The device also has a parameter input protection function: setting a password
The tightening result of the tightening machine of the embodiment is indicated by the indicator light, the green light is used for displaying when the tightening machine is qualified, the red light is used for displaying when the tightening machine is not qualified, and the audible and visual alarm is provided. The tightening shaft has at least two speeds, the sequence can be changed: the quick action is used for moving the working head, and the low speed is used for ensuring the tightening quality. The torque precision of the tightening station is less than or equal to +/-3 percent FS, the resolution is 0.01 N.m, the angle precision is less than or equal to +/-1 degrees, the resolution is less than or equal to 0.1 degree, and two functions of torque control, angle monitoring or angle control and torque monitoring can be realized.
As an implementation mode of the embodiment, a safety grating of a Ginshi GL-S series is adopted, so that the personnel injury or the influence on the product production caused by misoperation of personnel during the operation of equipment is prevented. The tightening machine is provided with a foundation fixing bolt to ensure the stability of the equipment
The differential tightening machine of the embodiment has the advantages of simple structure, accurate positioning, convenient operation, high production efficiency and high automation degree. The positive and negative ball screws are adopted, two sets of tightening guns are driven by the servo motor simultaneously, different center distance conversion values are obtained, and tightening of different reference circle center distance bolt groups can be well met. Two screws on the differential shell and the gear on the same axis are simultaneously screwed through two sets of screwing guns, and the servo rotary table drives the tool to rotate, so that the screws arranged in the circumferential direction can be quickly screwed. The working efficiency is improved, and the product quality is further improved through the mechanized operation. In addition, the middle parts of the differential shell and the gear can be tightly pressed through the product pressing mechanism, the reliability of installation of the product on a tool is improved, and meanwhile, the product is prevented from displacing or shaking when the tightening gun works.
Claims (7)
1. A differential tightening machine includes a frame having a table, characterized in that: be provided with vertical support body on the workstation, be provided with vertical slide rail on the vertical support body, be provided with the slide through servo motor A drive from top to bottom on the vertical slide rail, be provided with horizontal slide rail on the slide, install two removal slip tables through servo motor B left and right sides drive on the horizontal slide rail, all install on every removal slip table and screw up the rifle, be provided with the frock on the mesa of workstation, the frock is installed on servo revolving stage, servo revolving stage passes through servo motor C drive rotation.
2. The differential tightening machine according to claim 1, characterized in that: still include ball screw mechanism, ball screw mechanism includes positive and negative ball screw, positive and negative ball screw's left section is regular thread section/anti-thread section, right side section for anti-thread section/regular thread section, the spiro union has removal slip table mount pad respectively on regular thread section and the anti-thread section, two removal slip tables are connected with the removal slip table mount pad of removal slip table mount pad and anti-thread section department of positive thread section department respectively, positive and negative ball screw passes through servo motor B drives rotatoryly.
3. The differential tightening machine according to claim 2, characterized in that: the servo rotary table and the servo motor C are arranged below the table surface of the workbench.
4. The differential tightening machine according to claim 1, 2, or 3, characterized in that: and a product pressing mechanism extending downwards is arranged on the sliding plate.
5. The differential tightening machine according to claim 4, wherein: the product hold-down mechanism comprises a sleeve fixedly connected to the sliding plate, a hold-down rod extending downwards is installed in the sleeve, a step face is arranged at the bottom of the hold-down rod, and a spring is arranged between the step face and the end face of the sleeve.
6. The differential tightening machine according to claim 5, characterized in that: and a safety net is arranged outside the frame housing.
7. The differential tightening machine according to claim 6, characterized in that: also comprises a control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022744739.7U CN214080133U (en) | 2020-11-24 | 2020-11-24 | Differential mechanism tightening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022744739.7U CN214080133U (en) | 2020-11-24 | 2020-11-24 | Differential mechanism tightening machine |
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| Publication Number | Publication Date |
|---|---|
| CN214080133U true CN214080133U (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022744739.7U Active CN214080133U (en) | 2020-11-24 | 2020-11-24 | Differential mechanism tightening machine |
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| CN (1) | CN214080133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227203A (en) * | 2021-11-18 | 2022-03-25 | 西南石油大学 | Automatic butt joint device for hydraulic quick joint and using method thereof |
-
2020
- 2020-11-24 CN CN202022744739.7U patent/CN214080133U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114227203A (en) * | 2021-11-18 | 2022-03-25 | 西南石油大学 | Automatic butt joint device for hydraulic quick joint and using method thereof |
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