CN210625602U - Automatic adjusting device for support of checking fixture - Google Patents
Automatic adjusting device for support of checking fixture Download PDFInfo
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- CN210625602U CN210625602U CN201921429719.1U CN201921429719U CN210625602U CN 210625602 U CN210625602 U CN 210625602U CN 201921429719 U CN201921429719 U CN 201921429719U CN 210625602 U CN210625602 U CN 210625602U
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- guide shaft
- clamp
- jack
- adjusted
- fixed seat
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Abstract
The utility model discloses a checking fixture support automatic regulating device, belonging to the technical field of clamps, which comprises a clamping mechanism and a regulating mechanism connected with the clamping mechanism; the clamping mechanism comprises a fixed seat arranged at the top of the support frame, a guide shaft penetrating through the fixed seat, and a clamp assembly sleeved on the guide shaft and extending out of the fixed seat, wherein the clamp assembly comprises a switching block sleeved with the guide shaft, a support arm detachably and rotatably connected with the switching block, a clamp connected with the support arm, a transverse force arm connected with the clamp and transversely moved and adjusted, and a vertical pressure rod arranged at the end part of the transverse force arm and adjusted in a lifting manner, and the vertical pressure rod is arranged corresponding to the guide shaft; the top of the transmission screw rod is in threaded connection with the guide shaft, and the movement speed, the positive direction and the negative direction and the movement time of the transmission screw rod are adjusted by setting input parameters of the stepping motor. The utility model discloses be suitable for different specification parameter's part and detect, automatically regulated discernment deviation position.
Description
Technical Field
The utility model belongs to the technical field of anchor clamps, especially, relate to an examine a support automatic regulating apparatus.
Background
With the continuous development of the domestic automobile industry, the industry competition is increasingly intense, the quality requirements of users on automobiles are higher and higher, in order to keep the product competitiveness of automobile factories, the steps of automobile model updating and new automobile model launching are accelerated, and meanwhile, each automobile factory also adopts new technology and new technology continuously, and the attention is turned to the development of the measurement technology. The development of the manufacturing technology can not leave the measuring technology at the same time, and the two technologies supplement each other and promote each other. The new measurement technology continuously reveals the defects of the prior art, and further innovation and modification are further improved. The checking fixture and the clamp are used as basic components of a measuring technology, the functions of the checking fixture and the clamp in the production field are more and more obvious, the forms of the traditional checking fixture and the clamp special for a single vehicle model can not meet the requirements gradually, and a vehicle factory has higher requirements on the economy and the quick response capability of products of checking fixtures and clamp suppliers, so that the requirements on multifunction, flexibility and high efficiency are met, and the satisfaction degree of customers is directly determined at low cost.
In the fixing and simulation test of a sheet metal welding point during welding, assembling and positioning detection of an automobile body in white, when a workpiece on a checking fixture or a fixture is measured by adopting three-coordinate measuring equipment at present, the measured workpiece or a measuring point is required to be adjusted or slid locally and precisely, and in order to ensure that the fine adjustment range can be controlled within the precision of +/-0.1 mm, the integral checking fixture or the fixture is adjusted or the measuring point is disassembled and assembled; the adjustment work is complex, and the main parts of the checking fixture are easily damaged in the process of disassembly and assembly, so that the later adjustment precision is influenced; the automatic adjustment cannot be realized, the synchronization or the sequence adjustment cannot be realized for multiple points at the same time, the adjustment of the whole mechanism is not easy to operate, and the precision is not high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem, and provide and examine a support automatic regulating apparatus to the part that the realization is suitable for different specification parameters detects, automatically regulated discernment deviation position. In order to achieve the above purpose, the utility model discloses technical scheme as follows:
the automatic adjusting device for the support of the checking fixture comprises a clamping mechanism and an adjusting mechanism connected with the clamping mechanism;
the clamping mechanism comprises a fixed seat arranged at the top of the support frame, a guide shaft penetrating through the fixed seat, and a clamp assembly sleeved on the guide shaft and extending out of the fixed seat, wherein the clamp assembly comprises a switching block sleeved with the guide shaft, a support arm detachably and rotatably connected with the switching block, a clamp connected with the support arm, a transverse force arm connected with the clamp and transversely moved and adjusted, and a vertical pressure rod arranged at the end part of the transverse force arm and adjusted in a lifting manner, and the vertical pressure rod is arranged corresponding to the guide shaft;
the adjusting mechanism comprises a motor mounting seat arranged at the bottom of the fixing seat, a transmission screw rod arranged in the motor mounting seat, and a stepping motor which is arranged at the bottom of the motor mounting seat and drives the transmission screw rod, wherein the top of the transmission screw rod is in threaded connection with the guide shaft, and the movement speed, the positive direction and the negative direction and the movement time of the transmission screw rod are adjusted by setting input parameters of the stepping motor.
Specifically, the fixing base is of an L-shaped structure, the transverse side edge of the fixing base is arranged on the supporting frame, and the vertical side edge of the fixing base is arranged outside the supporting frame in a hanging mode.
Specifically, the upper portion and the lower portion of guiding axle are respectively overlapped and are equipped with the copper sheathing that is fixed in on the fixing base, the guiding axle reciprocates in the copper sheathing.
Specifically, a clamping groove is formed in the fixing seat, and the clamping groove limits the moving distance of the transfer block in the Z-axis direction.
Specifically, an open slot is formed in the switching block, the end part of the supporting arm is inserted into the open slot, a bolt jack and a handle jack which transversely penetrate through the open slot are formed in the open slot, the bolt jack is located below the handle jack, an external thread equal-height screw is inserted into the bolt jack, and a bolt handle is inserted into the handle jack; the external thread and the equal-height screw are fixed in the bolt jack, and the bolt handle is not fixedly inserted into the handle jack.
Specifically, the connecting part of the end part of the clamp and the transverse force arm and the connecting part of the transverse force arm and the vertical pressure rod are respectively provided with a tabletting component.
Specifically, the pressing sheet assembly comprises a sheet body with an inverted side edge, a locking sheet body and a locking piece for the position of a part to be pressed.
Compared with the prior art, the utility model discloses examine a beneficial effect who supports automatic regulating apparatus and mainly reflect:
test parameters among different parts can be quickly switched and debugged; the traditional fixed clamping mode is changed, the whole structure is prevented from being disassembled and assembled, and automatic adjustment and automatic deviation identification are realized; the standardized production and storage can be integrally realized, the positioning is accurate, and the operation is simple and easy; the test workers do not need to disassemble, assemble and carry again, so that the working efficiency is improved, and the test operation steps are optimized; a clamp assembly in the clamping mechanism is matched with the guide shaft to flexibly adjust the lifting position; the horizontal force arm is matched with the pressing piece assembly to effectively adjust the horizontal moving position and the vertical moving position of the vertical pressing rod; the lifting position of the guide shaft is accurately controlled by a transmission screw rod in the adjusting mechanism, and automatic adjustment is uniformly and accurately carried out through a control system.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a clamping mechanism according to the present embodiment;
FIG. 3 is a schematic cross-sectional view of the adjustment mechanism of the present embodiment;
FIG. 4 is a schematic flow chart of a control method of the automatic adjusting device for supporting the gauge according to the embodiment;
the figures in the drawings represent:
1, a clamping mechanism, 11 a fixed seat, 12 guide shafts, 13 copper sleeves, 14 transfer blocks, 15 supporting arms, 16 clamps, 17 transverse force arms and 18 vertical pressure rods;
2, an adjusting mechanism, 21 a motor mounting seat, 22 a transmission screw, 23 a stepping motor, 24 an output shaft, 25 a needle bearing and 26 a supporting sleeve;
3 supporting device, 31 supporting frame, 32 knob, 33 motor driver;
4, a clamping groove, a 41 positioning end, a 42 external thread equal-height screw, a 43 bolt handle and a 44 rotating wrench;
5 sheet, 51 locking piece, 52 pressing end.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention.
Example (b):
referring to fig. 1-3, the present embodiment is a device for automatically adjusting support of a testing fixture, and includes a clamping mechanism 1, an adjusting mechanism 2 connected to the clamping mechanism 1, and a supporting device 3 connected to the adjusting mechanism 2.
The supporting device 3 comprises a supporting frame 31 and a plurality of quick locking pieces arranged at the bottom of the supporting frame 31, and the supporting frame 31 is fixed on a welding tool platform (not shown in the figure) or a three-coordinate measuring machine by the quick locking pieces.
The quick locking member includes a knob 32 disposed on the bottom surface of the support 31 and screwed into and through a threaded portion (not shown) of the support 31.
The clamping mechanism 1 comprises a fixed seat 11 arranged at the top of the supporting frame 31, a guide shaft 12 penetrating through the fixed seat 11, and a clamp assembly sleeved outside the guide shaft 12 and extending out of the fixed seat 11.
The fixing seat 11 is an L-shaped structure, the horizontal side of the fixing seat 11 is disposed on the supporting frame 31, and the vertical side of the fixing seat 11 is suspended outside the supporting frame 31.
The upper portion and the lower part of guiding axle 12 are equipped with copper sheathing 13 that is fixed in on fixing base 11 respectively in the cover, and guiding axle 12 reciprocates in copper sheathing 13, and copper sheathing 13 carries out accurate direction and spacing to guiding axle 12 in the Z axle direction.
The clamp assembly comprises a switching block 14 in sleeve joint with the guide shaft 12, a supporting arm 15 detachably connected with the switching block 14 in a rotating mode, a clamp 16 connected with the supporting arm 15, a transverse force arm 17 connected with the clamp 16 and adjusted in a transverse moving mode, and a vertical pressure rod 18 arranged at the end portion of the transverse force arm 17 and adjusted in a lifting mode.
The fixed seat 11 is provided with a clamping groove 4, and the clamping groove 4 limits the moving distance of the transfer block 14 in the Z-axis direction. The top of the guide shaft 12 is provided with a positioning end 41, and the surface of the positioning end 41 is in a circular arc structure.
An open slot is arranged on the switching block 14, the end part of the supporting arm 15 is inserted into the open slot, a bolt jack and a handle jack which transversely penetrate through the open slot are arranged on the open slot, the bolt jack is positioned below the handle jack, an external thread equal-height screw 42 is inserted into the bolt jack, and a bolt handle 43 is inserted into the handle jack. An external thread contour screw 42 is secured into the bolt receptacle. The bolt handle 43 is not fixedly inserted into the handle jack, so that the bolt handle can be conveniently and flexibly taken out in the transverse direction.
When a sheet metal workpiece is installed, the workpiece is prevented from interfering or colliding with the clamp, the bolt handle 43 on the support arm 15 is pulled out, and the support arm 15 rotates around the axis of the external thread equal-height screw 42 and contracts to rotate below the plane of the bolt insertion hole.
The clamp is L type structure, and the tip centre gripping of clamp is horizontal arm of force 17, is equipped with rotary spanner 44 on the clamp 16, and the tip of clamp 16 all is equipped with the preforming subassembly with the junction of horizontal arm of force 17, the junction of horizontal arm of force 17 and vertical depression bar 18, and the preforming subassembly is including the lamellar body 5 that has the back-off side, locking lamellar body 5 and the retaining member 51 of waiting to compress tightly the part position.
The tabletting assembly is positioned at the end part of the clamp, the tablet body 5 is clamped at the end part of the clamp 16, the bottom of the tablet body 5 is arranged above the transverse force arm 17, the transverse force arm 17 and the clamp 16 are fastened by screwing the locking part 51, and the distance of the transverse force arm 17 moving along the X axis can be adjusted by loosening the tablet body 5.
The outer end of the transverse force arm 17 clamps the vertical pressure rod 18, the tabletting assemblies are arranged on the vertical pressure rod 18, the sheet bodies 5 are respectively clamped on the upper side and the lower side of the transverse force arm 17, the vertical pressure rod 18 penetrates through the sheet bodies 5 on the upper side and the lower side of the transverse force arm 17, the vertical pressure rod 18 and the sheet bodies 5 are screwed tightly through the locking piece 51, and the distance of the vertical pressure rod 18 moving along the Z axis can be adjusted by loosening the sheet bodies 5.
The bottom of the vertical strut 18 is provided with a compression end 52 corresponding to the locating end 41.
The adjusting mechanism 2 comprises a motor mounting seat 21 arranged at the bottom of the fixed seat 11, a transmission screw 22 arranged in the motor mounting seat 21, and a stepping motor 23 arranged at the bottom of the motor mounting seat 21 and driving the transmission screw 22; the top of the transmission screw 22 is in threaded connection with the guide shaft 12, and the bottom of the transmission screw 22 is fixed with an output shaft 24 of the stepping motor 23. A needle bearing 25 is arranged between the transmission screw 22 and the output shaft 24, so that the friction resistance is effectively reduced.
A support sleeve 26 is arranged in the motor mounting seat 21, and the support sleeve 26 is clamped between the needle bearing 25 and the fixing seat 11, so that the transmission screw 22 is axially limited, and the transmission screw 22 is prevented from moving in the Z-axis direction.
The adjustment mechanism 2 further comprises a motor drive 33 mounted on the support frame 31. The motor driver 33 is connected to the stepping motor 23.
When the embodiment is applied, when the stepping motor 23 works, the transmission screw 22 rotates to drive the guide shaft 12 to slide up and down in the copper sleeves 13 at the upper end and the lower end of the fixed seat 11, so that the Z-axis direction movement of the clamp assembly is realized, and the movement speed, the forward direction and the reverse direction and the movement time are adjusted by controlling the input parameters of the stepping motor 23.
Referring to fig. 4, the motor driver 33 has a control system therein, and the control parameters (including PUL, DIR, CW/CCW, EN/FREE) of the stepping motor 23 are programmed by PLC (AI input) according to the measurement steps or the welding process requirements, and the action program is compatible with the coordinate measuring system or the program system of the numerical control welding equipment, and during the operation of the human-machine interface, the corresponding action is performed in cooperation with the measurement or welding instruction program, so as to output an action instruction (AO output) to the motor driver 33 to drive the stepping motor to operate to complete the up-and-down movement of the whole clamp assembly.
When the sheet metal part is measured or welded, an RPS point (a supporting and positioning action point for the sheet metal part) is determined and the sheet metal part is fixed, and the local deformation generated by the measurement point or the welding point along with the fixing of the RPS point is considered, so that the local deformation needs to be corrected and adjusted. According to different testing or welding conditions, three debugging control modes (a full-automatic mode, a semi-automatic mode and a manual mode) are adopted for adjustment.
The full-automatic mode comprises a three-coordinate measuring machine, a control system and an adjusting device. Establishing a measurement relation in a three-coordinate measuring system, compiling a corresponding measuring program for the adjusting points, measuring the required adjusting points by using three-coordinate measuring equipment, outputting RPS point measuring data, and converting the RPS points automatically reading precision deviation and outputting corresponding adjusting values to industrial personal computer equipment and a PLC (programmable logic controller) into corresponding pulse signals to a motor driver by using the program; and simultaneously driving a stepping motor to adjust the RPS point, and repeating the actions until all positioning points meet the precision requirement.
The semi-automatic mode comprises a PC, a control system and an adjusting device. And selecting an RPS point by using an independent PC as an operation interface, inputting a deviation value to be adjusted, converting the deviation value into a corresponding adjustment instruction by the PC to a motor driver, and driving a stepping motor to adjust the RPS point.
The manual mode comprises a manual controller and an adjusting device. And selecting an RPS point, inputting a pulse signal to the manual controller, starting an adjusting action, and finishing the adjusting work of the point.
The embodiment has the advantages that the test parameters of different parts can be rapidly switched and debugged; the traditional fixed clamping mode is changed, the whole structure is prevented from being disassembled and assembled, and automatic adjustment and automatic deviation identification are realized; the standardized production and storage can be integrally realized, the positioning is accurate, and the operation is simple and easy; the test workers do not need to disassemble, assemble and carry again, so that the working efficiency is improved, and the test operation steps are optimized; a clamp assembly in the clamping mechanism is matched with the guide shaft to flexibly adjust the lifting position; the horizontal force arm is matched with the pressing piece assembly to effectively adjust the horizontal moving position and the vertical moving position of the vertical pressing rod; the lifting position of the guide shaft is accurately controlled by a transmission screw rod in the adjusting mechanism, and automatic adjustment is uniformly and accurately carried out through a control system.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (7)
1. Examine a support automatic regulating apparatus, its characterized in that: comprises a clamping mechanism and an adjusting mechanism connected with the clamping mechanism;
the clamping mechanism comprises a fixed seat arranged at the top of the support frame, a guide shaft penetrating through the fixed seat, and a clamp assembly sleeved on the guide shaft and extending out of the fixed seat, wherein the clamp assembly comprises a switching block sleeved with the guide shaft, a support arm detachably and rotatably connected with the switching block, a clamp connected with the support arm, a transverse force arm connected with the clamp and transversely moved and adjusted, and a vertical pressure rod arranged at the end part of the transverse force arm and adjusted in a lifting manner, and the vertical pressure rod is arranged corresponding to the guide shaft;
the adjusting mechanism comprises a motor mounting seat arranged at the bottom of the fixing seat, a transmission screw rod arranged in the motor mounting seat, and a stepping motor which is arranged at the bottom of the motor mounting seat and drives the transmission screw rod, wherein the top of the transmission screw rod is in threaded connection with the guide shaft, and the movement speed, the positive direction and the negative direction and the movement time of the transmission screw rod are adjusted by setting input parameters of the stepping motor.
2. The fixture support automatic adjustment device of claim 1, wherein: the fixing seat is of an L-shaped structure, the transverse side edge of the fixing seat is arranged on the supporting frame, and the vertical side edge of the fixing seat is arranged outside the supporting frame in a hanging mode.
3. The fixture support automatic adjustment device of claim 1, wherein: the upper portion and the lower part of guiding axle are overlapped respectively and are equipped with the copper sheathing that is fixed in on the fixing base, the guiding axle reciprocates in the copper sheathing.
4. The fixture support automatic adjustment device of claim 1, wherein: the fixed seat is provided with a clamping groove which limits the moving distance of the transfer block in the Z-axis direction.
5. The fixture support automatic adjustment device of claim 1, wherein: the switching block is provided with an open slot, the end part of the supporting arm is inserted into the open slot, the open slot is provided with a bolt jack and a handle jack which transversely penetrate through the open slot, the bolt jack is positioned below the handle jack, an external thread equal-height screw is inserted into the bolt jack, and a bolt handle is inserted into the handle jack; the external thread and the equal-height screw are fixed in the bolt jack, and the bolt handle is not fixedly inserted into the handle jack.
6. The fixture support automatic adjustment device of claim 1, wherein: and tabletting components are arranged at the joint of the end part of the clamp and the transverse force arm and the joint of the transverse force arm and the vertical pressure rod.
7. The fixture support automatic adjustment device of claim 6, wherein: the pressing sheet assembly comprises a sheet body with an inverted side edge, a locking sheet body and a locking piece for the position of the part to be pressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921429719.1U CN210625602U (en) | 2019-08-30 | 2019-08-30 | Automatic adjusting device for support of checking fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921429719.1U CN210625602U (en) | 2019-08-30 | 2019-08-30 | Automatic adjusting device for support of checking fixture |
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| Publication Number | Publication Date |
|---|---|
| CN210625602U true CN210625602U (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921429719.1U Active CN210625602U (en) | 2019-08-30 | 2019-08-30 | Automatic adjusting device for support of checking fixture |
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| CN (1) | CN210625602U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470257A (en) * | 2019-08-30 | 2019-11-19 | 巨硕精密机械(常熟)有限公司 | Cubing supports self-checking device and its control method |
-
2019
- 2019-08-30 CN CN201921429719.1U patent/CN210625602U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470257A (en) * | 2019-08-30 | 2019-11-19 | 巨硕精密机械(常熟)有限公司 | Cubing supports self-checking device and its control method |
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