CN115157115B - Compression device for grinding ball hinge and use method - Google Patents
Compression device for grinding ball hinge and use method Download PDFInfo
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- CN115157115B CN115157115B CN202210950342.4A CN202210950342A CN115157115B CN 115157115 B CN115157115 B CN 115157115B CN 202210950342 A CN202210950342 A CN 202210950342A CN 115157115 B CN115157115 B CN 115157115B
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- 230000006835 compression Effects 0.000 title claims abstract description 70
- 238000007906 compression Methods 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 19
- 210000004907 gland Anatomy 0.000 claims abstract description 59
- 238000003825 pressing Methods 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000005056 compaction Methods 0.000 claims abstract description 12
- 230000009471 action Effects 0.000 claims description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000012946 outsourcing Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
- B24B37/345—Feeding, loading or unloading work specially adapted to lapping
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention relates to a pressing device for grinding a ball hinge and a use method thereof, wherein the device comprises a base, a guide compression rod, a ball seat locking executing mechanism, an electromagnetic driving mechanism, a guide piece, a vertical supporting shaft and a ball gland guide pressing assembly; the base is provided with a bottom positioning plane and a side positioning plane which are used for respectively positioning the bottom surface and the circular arc side surface of the ball seat; the electromagnetic driving mechanism is in driving connection with the guide compression bar; the lower end of the guide compression bar is in wedge-shaped driving fit with the left end part of the ball seat locking executing mechanism to drive the ball seat locking executing mechanism to move left; the right end of the ball seat locking executing mechanism is provided with a locking compaction block for compacting the plane of the ball seat side; the guide piece is arranged at the upper part of the left end of the base and is provided with a guide through hole; the vertical supporting shaft is sleeved outside the guide compression bar and fixedly arranged above the guide piece; the left end part of the ball gland guiding and compacting assembly is sleeved outside the vertical supporting shaft, and the right end of the ball gland guiding and compacting assembly is provided with two positioning pins which can be respectively matched with the two pin position guiding holes on the ball gland. The invention realizes the positioning and pressing of the ball hinge.
Description
Technical Field
The invention belongs to the technical field of assembly adjustment in mechanical manufacturing, and particularly relates to a compression device for grinding a ball hinge and a use method thereof.
Background
The precise ball hinge is used as a universal mechanism for realizing spherical motion, is widely applied to a parallel mechanism buffer base and robots, and has a large number. The precise ball hinge consists of three parts, namely a ball seat, a ball journal and a ball gland, and the technical requirement is that the ball journal is freely rotated in a certain range in a spherical space formed by the ball seat and the ball gland, so that the ball hinge has no clamping stagnation and no play phenomenon, and the contact between the spherical surface of the ball journal and the spherical surfaces of the ball seat and the ball gland is 60% -80%. The existing assembly and adjustment process flow requires a worker master to carry out purely manual scraping on the ball hinge (carrying out manual scraping on the inner surfaces of the ball seat and the ball gland by utilizing the arc scraper), has higher requirements on the skill level of operators, greatly influences the assembly efficiency and the assembly precision, and cannot meet the requirement of mass production. A process utilizing machine grinding is now developed. If the corresponding fixture is needed for realizing the automatic grinding process of the machine, the design of a special fixture and an automatic grinding process method are key. In the research project, the ball seat and the ball gland are required to be fixed, and the method for rotating the ball journal realizes the mutual grinding of the spherical surfaces. In order to meet the requirement, a device for positioning and pressing a ball hinge and a positioning and pressing method are innovatively designed to ensure that projects are carried out, so that the subsequent production efficiency is improved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a pressing device for grinding a ball hinge, which can meet the automatic grinding and manufacturing requirements of the ball hinge and is beneficial to improving the processing efficiency, and a use method thereof.
One of the above objects of the present invention is achieved by the following technical solutions:
the utility model provides a ball hinge grinds uses closing device which characterized in that: the ball seat locking device comprises a base, a guide compression rod, a ball seat locking executing mechanism, an electromagnetic driving mechanism, a guide piece, a vertical supporting shaft and a ball gland guide compression assembly;
the base is provided with a bottom positioning plane and a side positioning plane which are used for respectively positioning the bottom surface and the circular arc side surface of the ball seat; the electromagnetic driving mechanism is arranged outside the left side of the base, is in driving connection with the guide compression bar and is used for driving the guide compression bar to move up and down, the lower end part of the guide compression bar and the left end part of the ball seat locking executing mechanism form wedge-shaped driving fit, the ball seat locking executing mechanism is driven to move leftwards, and the ball seat locking executing mechanism is arranged at the lower part of the base in a manner of being slidable along the left-right direction; the right end of the ball seat locking executing mechanism is provided with a locking compaction block which is used for compacting and contacting the side plane of the ball seat; the guide piece is arranged at the upper part of the left end of the base, and a guide through hole for the guide compression bar to pass through is formed in the guide piece; the vertical supporting shaft is a hollow shaft, is sleeved outside the guide compression bar and is fixedly arranged above the guide piece; the left end part of the ball gland guiding and compressing assembly is sleeved outside the vertical supporting shaft in a rotatable mode and can move up and down, and the right end of the ball gland guiding and compressing assembly is provided with two positioning pins which can be respectively inserted and assembled with two pin position guiding holes on the ball gland.
Further: the electromagnetic driving mechanism comprises an electromagnet bracket and an electromagnetic assembly; the electromagnet bracket is arranged outside the left side of the base and is fixedly connected with the left side wall of the base through a screw; the electromagnetic assembly is fixedly arranged at the upper end of the electromagnet bracket, and an iron core extending downwards along the vertical direction is arranged at the lower end of the electromagnetic assembly close to the right side.
Further: the guide compression bar consists of a bar body part and a wedge-shaped action head part fixed at the lower end of the bar body part, and a compression action inclined plane is arranged at the left side of the wedge-shaped action head.
Further: the lower end of the iron core is provided with a slot, and two sides of the slot are provided with pin holes; the upper end of the guide compression bar is provided with a flat plug, the flat plug is provided with a pin hole, the flat plug is inserted into the slot, pin shafts are inserted into the pin holes on two sides of the slot and the pin holes on the flat plug, and the iron core is connected with the guide compression bar.
Further: the ball seat locking executing mechanism comprises a locking guide seat, a locking compaction block, a locking connecting shaft and a reset spring: the locking guide seat is embedded into a concave cavity arranged at the lower end of the base and is matched with a bottom cover plate fixed at the lower end of the base in a guiding way along the left-right direction; the locking guide seat consists of a bottom, a left vertical edge part arranged at the left end of the bottom and a right vertical edge part arranged at the right end of the base; the inner side surface of the left vertical edge part is an inclined surface which is in wedge-shaped contact fit with a compaction action inclined surface on the wedge-shaped action head; the right vertical edge part is horizontally and fixedly provided with the locking connecting shaft towards the left, the reset spring is sleeved on the locking connecting shaft, the right end of the reset spring is in compression contact with the left side surface of the right vertical edge part, and the left end of the reset spring is in contact with a spring positioning surface arranged on the base; the locking compaction block is fixedly arranged at the left end of the locking connecting shaft.
Further: the ball gland guide compacting assembly comprises a guide sleeve, a positioning pin and a linear bearing combination; the guide sleeve consists of a sleeve body part and a transverse support plate part integrally connected with the outer circular surface of the sleeve body part; the linear bearing is arranged in an inner hole of the sleeve body part, and the sleeve body part is sleeved on the vertical supporting shaft in a manner that the linear bearing can slide up and down and can rotate; the right end of the transverse supporting plate part is provided with two pin holes, and the center distance of the two pin holes is consistent with the center distance of the two guide holes on the ball gland; and a positioning pin is vertically and downwards fixedly arranged in the two pin holes in the transverse supporting plate respectively, and the outer diameter of the positioning pin is consistent with the aperture of the two pin position guide holes in the ball gland.
The second object of the present invention is achieved by the following technical scheme:
the application method of the pressing device for grinding the ball hinge is characterized by comprising the following steps of:
step 1, after assembling a ball hinge grinding pressing device, guiding a ball gland to move upwards, rotating left or right by 90 degrees, and emptying a positioning space for installing the ball hinge;
step 2, installing and pressing the ball seat:
2.1, placing the ball seat at a set position on the base according to a specified direction and position, and positioning and leaning against the side positioning plane by virtue of the bottom positioning plane support;
2.2, the electromagnetic assembly is electrified and started, the iron core end of the electromagnetic assembly extends downwards to push a guide compression bar connected with the electromagnetic assembly to move downwards, a compression action inclined plane at the lower end of the guide compression bar is in sliding contact fit with an inner inclined plane of a vertical edge part at the left side of the locking guide seat to push the locking guide seat to move leftwards, and the right end of the locking guide seat drives a locking compression block to move to compress the ball seat leftwards;
2.3, after the ball seat is pressed, the ball journal and the ball gland are assembled in place, the ball gland guide pressing assembly is moved upwards and rotated to the position right above the ball gland, the lower ends of the two positioning pins are inserted into the two pin guide holes of the ball gland, and the ball gland is pressed by utilizing the self gravity of the guide pressing assembly;
step 3, driving the ball axle journal to rotate at a constant speed through designed automatic grinding equipment, and grinding the ball hinge;
step 4, after the whole grinding process flow is finished, the electromagnetic assembly is powered off, the iron core end of the electromagnet is powered off, reset and move upwards to drive the guide compression rod to move upwards, the contact inclined planes of the guide compression rod and the locking guide seat are separated, the locking guide seat is forced to move rightwards under the action of the reset spring to drive the locking compression block to move rightwards synchronously, and the compression effect on the ball seat is relieved; simultaneously, upwards move the direction hold-down subassembly, make two locating pins break away from cartridge locating fit with two round pin position guiding holes of ball gland, after accomplishing above-mentioned operation, just can shift out whole ball hinge from closing device.
The invention has the advantages and positive effects that:
according to the ball seat locking device, the ball seat is positioned through the bottom positioning plane and the side positioning plane on the base, the ball seat is locked and fixed through the ball seat locking executing mechanism, the ball seat can be clamped and fixed rapidly, and the ball seat locking device has the advantages of being simple to operate and easy to realize.
According to the invention, the reset spring is arranged in the ball seat locking executing mechanism, so that after the electromagnetic assembly is powered off and the iron core is reset in the upward direction, the ball seat locking executing mechanism can realize automatic right-shift reset under the action of the reset spring, manual reset operation is not needed, the operation manpower can be saved, and the processing efficiency is improved.
According to the invention, the ball gland is pressed by the ball gland guide pressing component capable of moving up and down and rotating in a small left-right range, so that the ball gland can rotate along with the removal of the grinding amount in the grinding process, the automatic positioning and alignment of the ball center are realized, the ball gland is installed before grinding each structure of the ball hinge, and the operation is simple when the ball gland is disassembled after grinding, so that the operation is convenient for operators, the efficiency is improved, and the cost is reduced.
The pressing device is not required to be higher by the skill level of an operator, the assembly efficiency and the assembly precision of a workpiece are guaranteed, the pressing device is matched with automatic grinding equipment for development and design, the automatic grinding processing of the ball hinge can be realized, the grinding quality of the ball hinge is guaranteed, and the processing efficiency is improved.
Drawings
FIG. 1a is a schematic structural view of a tee;
FIG. 1b is a schematic illustration of the structure of a ball journal;
FIG. 1c is a schematic structural view of a ball gland;
FIG. 2 is an assembled schematic view of a ball hinge;
FIG. 3 is an overall structural external view of the press-fitting device of the present invention;
fig. 4 is a cross-sectional view of the compression device of the present invention.
Description of the embodiments
The structure of the present invention will be further described by way of examples with reference to the accompanying drawings. It should be noted that the present embodiments are illustrative and not restrictive.
Referring to fig. 1-4, the invention relates to a pressing device for grinding a ball hinge, which comprises the following components: the device mainly comprises a base 6, a guide compression bar 11, a locking guide seat 17, a locking compression block 16, a locking connecting shaft 15, a return spring 14, an electromagnet bracket 8, an electromagnetic assembly 9, a guide piece 7, a vertical supporting shaft 4, a guide sleeve 5, a positioning pin 13 and a linear bearing 12.
The base is the base of closing device, is provided with the bottom locating plane that supports ball seat bottom surface 1.1 in the upper end middle part of base, is provided with the lateral part locating surface that matches with ball seat lateral part arc surface 1.2 shape in the left side of this bottom locating plane, realizes the location to ball seat 1. The middle part of the lower end of the base is provided with a concave cavity for embedding the locking guide seat. In addition, the base is also used for supporting other parts of the pressing tool and providing support and guide for the pressing device.
The guide compression bar consists of a bar body part and a wedge-shaped action head part 11.1 fixed at the lower end of the bar body part, and a compression action inclined plane is arranged at the left side of the wedge-shaped action head.
The electromagnet bracket is arranged outside the left side of the base and is fixedly connected with the left side wall of the base through a screw; the electromagnetic assembly is fixedly arranged at the upper end of the electromagnet bracket. The structure of the electromagnetic assembly is a frame push-pull electromagnet, which is an outsourcing finished electric device for short, the structure of the frame push-pull electromagnet is composed of a coil and an iron core, a sliding iron core is arranged in the middle of the coil, a magnetic field is generated after the coil is electrified, the magnetic field magnetizes the iron core, the iron core forms a superimposed magnetic field, force is generated when a magnetic line moves from one pole to the other pole, and one end of the iron core can drive an object to do displacement movement, so that a functional action is realized. And an iron core extending downwards vertically is arranged at the lower end of the electromagnetic assembly close to the right side. The lower extreme of iron core is provided with the slot to set up the pinhole in the slot both sides, be provided with flat plug on the upper end of above-mentioned guide depression bar, set up the pinhole on the flat plug, through inserting flat plug in the slot, and wear to adorn round pin axle 10 in the pinhole of both, realize the connection of guide depression bar and electromagnetic assembly. The electromagnetic assembly is used for improving driving force for the guide compression bar and can drive the guide compression bar to move up and down.
The ball seat locking actuating mechanism is used for locking the ball seat, and is matched with the wedge-shaped action head at the lower end of the guide compression rod to lock and unlock the ball seat. Specific: the locking guide seat is embedded into the concave cavity at the lower end of the base and is matched with a bottom cover plate fixed at the lower end of the base in a guiding way along the left-right direction. The locking guide seat is composed of a bottom, a left vertical edge part arranged at the left end of the bottom and a right vertical edge part arranged at the right end of the base. The inner side surface of the left vertical edge part is an inclined surface, the inclined surface and a compaction action inclined surface on the wedge action head form wedge-shaped contact fit, and when the guide compression rod descends, the locking guide seat can be driven to move leftwards. The right vertical edge part is horizontally and fixedly arranged towards the left side, the locking connecting shaft is sleeved with the reset spring, the right end of the reset spring is in pressing contact with the left side face of the right vertical edge part, and the left end of the reset spring is in contact with a spring positioning face arranged on the base. The locking compaction block is fixedly arranged at the left end of the locking connecting shaft. When the locking guide seat moves leftwards, the left end face of the locking compression block is compressed with the side plane on the ball seat, so that the ball seat is compressed and fixed.
The guide piece is fixedly arranged at the upper end part of the bottom, which is close to the right side, through a screw, and mainly provides azimuth guiding function for the guide compression bar and supports the vertical supporting shaft. The guide piece is provided with a guide through hole at a position corresponding to the left side edge of the locking guide seat, and the guide through hole is in guide fit with the wedge-shaped acting head of the guide compression bar along the up-down direction.
The vertical support shaft is a hollow shaft, the vertical support shaft is sleeved outside the rod body part of the guide compression rod in a clearance fit mode, a flange is arranged at the lower end of the vertical support shaft, and the vertical support shaft is fixedly installed at the upper end of the guide piece in a screw connection mode.
The guide sleeve 5, the locating pin and the linear bearing are combined to form a ball gland guide compression assembly. The guide sleeve comprises a sleeve body part and a transverse supporting plate part integrally connected with the outer circular surface of the sleeve body part. The linear bearing is arranged in the inner hole of the sleeve body part, and the sleeve body part is sleeved on the vertical supporting shaft in a vertically sliding mode through the linear bearing. The right end of the transverse supporting plate part is provided with two pin holes, and the center distance of the two pin holes is consistent with the center distance of the two guide holes on the ball gland. And a positioning pin is vertically and downwards fixedly arranged in the two pin holes in the transverse supporting plate respectively, and the outer diameter of the positioning pin is consistent with the aperture of the two pin position guide holes in the ball gland. The two locating pins are respectively inserted into the two pin position guide holes 3.1 on the ball gland 3, the ball gland is guided and pressed by the gravity of the assembly, the up-and-down locating movement is realized, in addition, the left-and-right rotation can be realized within a certain range, and the assembly and the disassembly of the ball hinge assembly are convenient.
The application method of the pressing device for grinding the ball hinge comprises the following steps:
1. after the ball hinge grinding pressing device is assembled, the ball gland guide pressing assembly is moved upwards, and is rotated leftwards or rightwards by 90 degrees, so that the positioning space for mounting the ball hinge is emptied;
2. installing and pressing the ball seat:
2.1 The ball seat is placed at a set position on the base according to a specified direction and a specified position, and is supported by a bottom positioning plane, and a side positioning plane is positioned and abutted;
2.2 The electromagnetic assembly is electrified and started, the iron core end of the electromagnetic assembly extends downwards, a guide compression bar connected with the electromagnetic assembly is pushed to move downwards, a compression action inclined plane at the lower end of the guide compression bar is in sliding contact with an inner inclined plane of a vertical edge part at the left side of the locking guide seat, the locking guide seat is pushed to move leftwards, the right end of the locking guide seat drives the locking compression block to move, the function of compressing the ball seat leftwards is achieved, and the reset spring is stressed to compress. Thus, through the bottom surface support, the cylindrical surface positioning and the plane compaction, 3 degrees of freedom of movement and 3 degrees of freedom of rotation of the ball seat are limited.
2.3 After the ball seat is pressed, the ball journal 2 and the ball gland are assembled in place, the guide pressing assembly is moved upwards and rotated to the position right above the ball gland, the lower ends of the two positioning pins are inserted into the two pin guide holes of the ball gland, the ball gland is pressed by utilizing the self gravity of the guide pressing assembly, 2 horizontal movement degrees of freedom and 3 rotation degrees of freedom are realized, and the effect of the expected design is achieved.
3. The ball hinge is ground by driving the ball axle journal to rotate at a constant speed through designed automatic grinding equipment;
4. after the whole grinding process flow is finished, the electromagnetic assembly is powered off, the iron core end of the electromagnet is powered off, reset and move upwards to drive the guide compression rod to move upwards, the contact inclined planes of the guide compression rod and the locking guide seat are separated, the locking guide seat is forced to move rightwards under the action of the reset spring to drive the locking compression block to move rightwards synchronously, and the compression effect on the ball seat is relieved; simultaneously, upwards move the direction hold-down subassembly, make two locating pins break away from cartridge locating fit with two round pin position guiding holes of ball gland, after accomplishing above-mentioned operation, just can shift out whole ball hinge from closing device.
The ball pivot of the ball hinge structure is used for removing the rotary grinding amount in the ball seat and the ball gland, the ball seat and the ball gland cannot be simultaneously and fixedly positioned in the grinding process, otherwise, the ball centers of the three structural members cannot be simultaneously and automatically aligned and positioned to cause the increase of the grinding amount. The ball seat is selected to be positioned and fixed during design, so that the position alignment of grinding equipment is realized, the ball gland is selected to be movable in the Z direction and can rotate around the Z direction, the friction force at the spherical contact position is calculated by utilizing the rotational inertia and the rotational speed of the ball journal during grinding, the downward pressure of the ball gland is calculated, the weight of a ball gland pressing structure (a guide sleeve, a positioning pin and a linear bearing) is calculated, the linear bearing is an outsourcing piece, the weight is fixed, the positioning pin has the weight required by the size and can be obtained, and the weight of the guide sleeve can be designed.
Although the embodiments of the present invention and the accompanying drawings have been disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit of the invention and the appended claims, and therefore the scope of the invention is not limited to the embodiments and the disclosure of the drawings.
Claims (4)
1. The utility model provides a ball hinge grinds uses closing device which characterized in that: the ball seat locking device comprises a base, a guide compression rod, a ball seat locking executing mechanism, an electromagnetic driving mechanism, a guide piece, a vertical supporting shaft and a ball gland guide compression assembly;
the base is provided with a bottom positioning plane and a side positioning plane which are used for respectively positioning the bottom surface and the circular arc side surface of the ball seat; the electromagnetic driving mechanism is arranged outside the left side of the base, is in driving connection with the guide compression bar and is used for driving the guide compression bar to move up and down, the lower end part of the guide compression bar and the left end part of the ball seat locking executing mechanism form wedge-shaped driving fit, the ball seat locking executing mechanism is driven to move leftwards, and the ball seat locking executing mechanism is arranged at the lower part of the base in a manner of being slidable along the left-right direction; the right end of the ball seat locking executing mechanism is provided with a locking compaction block which is used for compacting and contacting the side plane of the ball seat; the guide piece is arranged at the upper part of the left end of the base, and a guide through hole for the guide compression bar to pass through is formed in the guide piece; the vertical supporting shaft is a hollow shaft, is sleeved outside the guide compression bar and is fixedly arranged above the guide piece; the left end part of the ball gland guide pressing assembly is sleeved outside the vertical supporting shaft in a rotatable mode and can move up and down, and the right end of the ball gland guide pressing assembly is provided with two positioning pins which can be respectively inserted and assembled with two pin position guide holes on the ball gland;
the guide compression bar consists of a bar body part and a wedge-shaped action head part fixed at the lower end of the bar body part, and a compression action inclined plane is arranged at the left side of the wedge-shaped action head;
the ball seat locking executing mechanism comprises a locking guide seat, a locking compression block, a locking connecting shaft and a reset spring: the locking guide seat is embedded into a concave cavity arranged at the lower end of the base and is matched with a bottom cover plate fixed at the lower end of the base in a guiding way along the left-right direction; the locking guide seat consists of a bottom, a left vertical edge part arranged at the left end of the bottom and a right vertical edge part arranged at the right end of the bottom; the inner side surface of the left vertical edge part is an inclined surface which is in wedge-shaped contact fit with a compaction action inclined surface on the wedge-shaped action head; the right vertical edge part is horizontally and fixedly provided with the locking connecting shaft towards the left, the reset spring is sleeved on the locking connecting shaft, the right end of the reset spring is in compression contact with the left side surface of the right vertical edge part, and the left end of the reset spring is in contact with a spring positioning surface arranged on the base; the locking compaction block is fixedly arranged at the left end of the locking connecting shaft;
the ball gland guide compacting assembly comprises a guide sleeve, a positioning pin and a linear bearing combination; the guide sleeve consists of a sleeve body part and a transverse support plate part integrally connected with the outer circular surface of the sleeve body part; the linear bearing is arranged in an inner hole of the sleeve body part, and the sleeve body part is sleeved on the vertical supporting shaft in a manner that the linear bearing can slide up and down and can rotate; the right end of the transverse supporting plate part is provided with two pin holes, and the center distance of the two pin holes is consistent with the center distance of the two pin position guide holes on the ball gland; and a positioning pin is vertically and downwards fixedly arranged in the two pin holes in the transverse supporting plate respectively, and the outer diameter of the positioning pin is consistent with the aperture of the two pin position guide holes in the ball gland.
2. The pressing device for grinding a ball hinge according to claim 1, wherein: the electromagnetic driving mechanism comprises an electromagnet bracket and an electromagnetic assembly; the electromagnet bracket is arranged outside the left side of the base and is fixedly connected with the left side wall of the base through a screw; the electromagnetic assembly is fixedly arranged at the upper end of the electromagnet bracket, and an iron core extending downwards along the vertical direction is arranged at the lower end of the electromagnetic assembly close to the right side.
3. The pressing device for grinding a ball hinge according to claim 2, wherein: the lower end of the iron core is provided with a slot, and two sides of the slot are provided with pin holes; the upper end of the guide compression bar is provided with a flat plug, the flat plug is provided with a pin hole, the flat plug is inserted into the slot, pin shafts are inserted into the pin holes on two sides of the slot and the pin holes on the flat plug, and the iron core is connected with the guide compression bar.
4. A method of using the ball hinge lapping compaction device according to claim 1, comprising the steps of:
step 1, after assembling a ball hinge grinding pressing device, guiding a ball gland to move upwards, rotating left or right by 90 degrees, and emptying a positioning space for installing the ball hinge;
step 2, installing and pressing the ball seat:
2.1, placing the ball seat at a set position on the base according to a specified direction and position, and positioning and leaning against the side positioning plane by virtue of the bottom positioning plane support;
2.2, the electromagnetic assembly is electrified and started, the iron core end of the electromagnetic assembly extends downwards to push a guide compression bar connected with the electromagnetic assembly to move downwards, a compression action inclined plane at the lower end of the guide compression bar is in sliding contact fit with an inner inclined plane of a vertical edge part at the left side of the locking guide seat to push the locking guide seat to move leftwards, and the right end of the locking guide seat drives a locking compression block to move to compress the ball seat leftwards;
2.3, after the ball seat is pressed, the ball journal and the ball gland are assembled in place, the ball gland guide pressing assembly is moved upwards and rotated to the position right above the ball gland, the lower ends of the two positioning pins are inserted into the two pin guide holes of the ball gland, and the ball gland is pressed by utilizing the self gravity of the guide pressing assembly;
step 3, driving the ball axle journal to rotate at a constant speed through automatic grinding equipment, and grinding the ball hinge;
step 4, after the whole grinding process flow is finished, the electromagnetic assembly is powered off, the iron core end of the electromagnet is powered off, reset and move upwards to drive the guide compression rod to move upwards, the contact inclined planes of the guide compression rod and the locking guide seat are separated, the locking guide seat is forced to move rightwards under the action of the reset spring to drive the locking compression block to move rightwards synchronously, and the compression effect on the ball seat is relieved; simultaneously, upwards move the direction hold-down subassembly, make two locating pins break away from cartridge locating fit with two round pin position guiding holes of ball gland, after accomplishing above-mentioned operation, just can shift out whole ball hinge from closing device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210950342.4A CN115157115B (en) | 2022-08-09 | 2022-08-09 | Compression device for grinding ball hinge and use method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210950342.4A CN115157115B (en) | 2022-08-09 | 2022-08-09 | Compression device for grinding ball hinge and use method |
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| CN115157115A CN115157115A (en) | 2022-10-11 |
| CN115157115B true CN115157115B (en) | 2024-02-23 |
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| CN104384986A (en) * | 2014-10-30 | 2015-03-04 | 马单 | Sphere fixing and clamping device |
| CN206855039U (en) * | 2017-02-28 | 2018-01-09 | 浙江康普瑞汽车零部件有限公司 | A kind of cage milling gap means |
| CN109333336A (en) * | 2018-11-28 | 2019-02-15 | 华中光电技术研究所（中国船舶重工集团有限公司第七七研究所） | Ball socket bearing grinding device |
| KR102419816B1 (en) * | 2022-05-06 | 2022-07-12 | 김대진 | Jig for welding golf cart frame |
-
2022
- 2022-08-09 CN CN202210950342.4A patent/CN115157115B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101439475A (en) * | 2008-12-15 | 2009-05-27 | 天津二十冶建设有限公司 | Fixture clamping fixture for processing bolt ball and method of use thereof |
| CN104384986A (en) * | 2014-10-30 | 2015-03-04 | 马单 | Sphere fixing and clamping device |
| CN206855039U (en) * | 2017-02-28 | 2018-01-09 | 浙江康普瑞汽车零部件有限公司 | A kind of cage milling gap means |
| CN109333336A (en) * | 2018-11-28 | 2019-02-15 | 华中光电技术研究所（中国船舶重工集团有限公司第七七研究所） | Ball socket bearing grinding device |
| KR102419816B1 (en) * | 2022-05-06 | 2022-07-12 | 김대진 | Jig for welding golf cart frame |
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