CN219725344U - Positioning and clamping device for multi-specification rectangular section bar - Google Patents
Positioning and clamping device for multi-specification rectangular section bar Download PDFInfo
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- CN219725344U CN219725344U CN202320724755.0U CN202320724755U CN219725344U CN 219725344 U CN219725344 U CN 219725344U CN 202320724755 U CN202320724755 U CN 202320724755U CN 219725344 U CN219725344 U CN 219725344U
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- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000005498 polishing Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
A positioning and clamping device for multi-specification rectangular sectional materials belongs to the field of plate-and-frame filter presses, and comprises a frame, a driving device, a central bearing seat, a transmission system, a support base plate, a rolling guide rail, a sliding seat, a nut and a screw rod; the self-balancing clamping device comprises a lower support, an upper seat, a hinge shaft and a self-adaptive clamping head; the lower support is arranged on the nut and is connected with the nut; the upper part of the lower support is embedded with the upper seat and is connected with the upper seat in an adjustable way, so that the installation height of the upper seat can be adjusted; the upper seat is arranged on the lower support and is connected with the lower support; the upper seat can be arranged on the lower support along the lower support to adjust the installation position of the upper seat and the lower support; the automatic clamping centering device has the characteristics of being capable of adapting to the machining of filter press girders with various specifications, automatically clamping and centering, reducing the contact area between the clamping element and a machined workpiece, increasing the adaptability of the clamping element, reducing the labor intensity and improving the machining precision.
Description
Technical Field
The utility model belongs to the field of plate-and-frame filter presses, and particularly relates to a positioning and clamping device for processing a girder with a rectangular section of a filter press.
Background
The filter press is a common solid-liquid separation device, and the plate-frame filter press is one of the more common filter presses; the existing plate-and-frame filter press mostly consists of a compression plate, a thrust plate, a cylinder head, a frame, a feeding system, a compression system and the like, wherein the frame is an important part for supporting and installing parts and is required to bear most of stress of the filter press, including gravity and compression force; the main component of the frame is a girder; the existing girder mostly adopts rectangular steel pipes as base members, and various working elements are added on the base members to form the girder; the existing girder processing method mainly comprises the following steps: 1. blanking, namely measuring a rectangular steel pipe for a certain length, cutting off the rectangular steel pipe, and taking the rectangular steel pipe as a blank of a girder; 2. the two ends of the girder are processed to be flush, so that the accurate value of the girder length is ensured; 3. cutting, namely cutting a mounting hole on a girder; 4. welding, namely welding the additional parts on the girder according to the designed position, and fixing the position; 5. welding, namely checking the accuracy of the position of the auxiliary parts after electric welding, and then continuously welding firmly; 6. polishing, namely polishing the welding part and the cutting part smoothly; because the types of the filter presses are different, the cross sections and the lengths of the girders are different, and the girders are required to be overturned, fixed and clamped in each working procedure, so that great inconvenience is caused to the girder processing of the filter presses, the processing efficiency is influenced, and the processing quality is reduced; in order to solve the above problems, the present inventors have previously filed a chinese patent (application number: 2022114096358), which basically solves the above problems; however, during use, it has been found that uneven surface due to surface modification, or slight deformation, or other causes of the raw material may cause uneven stress on the clamping member, cause errors in clamping and positioning, and cause some inconvenience to the processing of the girder.
Disclosure of Invention
Aiming at the problems of the prior Chinese patent (application number: 2022114096358), the utility model provides a clamping device capable of automatically centering and clamping and adapting to tiny uneven surfaces of a clamped section, and the specific technical scheme is that the positioning and clamping device for the multi-specification rectangular section comprises a frame, a driving device, a central bearing seat, a transmission system, a bracket backing plate, a rolling guide rail, a sliding seat, a nut and a screw rod; the method is characterized in that: the self-adaptive clamping device comprises a lower support, an upper seat, a hinge shaft and a self-adaptive clamping head; the lower support is arranged on the nut and is connected with the nut; the upper part of the lower support is embedded with the upper seat and is connected with the upper seat in an adjustable way, so that the installation height of the upper seat can be adjusted; the upper seat is arranged on the lower support and is connected with the lower support; the upper seat can be arranged on the lower support along the lower support to adjust the installation position of the upper seat and the lower support; the hinge shaft is arranged on the upper seat and can hinge the self-adaptive clamping head on the upper seat; the self-adaptive clamping seat is arranged on the upper seat and hinged with the upper seat, and comprises a clamping seat, an upper ball head and a lower ball head; the clamping seat is arranged on the hinge shaft and hinged with the upper seat; the upper ball head is arranged on the clamping seat and positioned at the side edge of the clamping seat, and is connected with the clamping seat through a ball rod; the head of the upper ball head is cylindrical or spherical; the lower ball head is arranged on the clamping seat and positioned below the clamping seat, and is connected with the clamping seat through the ball rod; the head of the lower ball head is cylindrical or spherical.
Further, the clamping seat is provided with a limiting pin which is matched with the limiting groove on the upper seat, so that the maximum swing angle of the clamping seat on the upper seat can be limited.
Further, the included angle between the upper ball head and the lower ball head is smaller than or equal to 90 degrees.
Further, a compression spring is arranged between the lower ball head and the upper seat, so that the distance between the lower ball head and the side wall of the upper seat can be kept.
Furthermore, the upper ball head and the lower ball head are connected with the clamping seat by adopting threads, so that the replacement is convenient.
Further, the lower support is provided with a slotted hole, and bolts used for fastening the lower support and the upper seat are connected with the upper seat through the slotted hole.
Further, the self-adaptive clamping device is provided with a plurality of self-adaptive clamping devices.
Advantageous effects
The automatic clamping centering device has the beneficial effects that the automatic clamping centering device can adapt to the machining of filter press girders with various specifications, reduces the contact area of the clamping element and a machined workpiece, increases the adaptability of the clamping element, reduces the labor intensity and improves the machining precision.
Drawings
FIG. 1 is a schematic diagram of the front structure of the present utility model
FIG. 2 is a schematic side view of the present utility model
1. The device comprises a frame, a driving device, a central bearing seat, a transmission system, a bracket backing plate, a rolling guide rail, a sliding seat, a nut, a screw rod, a self-adaptive clamping device, a lower support, a upper seat, a hinge shaft, a clamping seat, a upper ball head and a lower ball head.
Detailed Description
For better illustrating the technical solution of the present utility model, referring to fig. 1 and 2, a specific embodiment of the present utility model is further illustrated by referring to the accompanying drawings, in this example, a frame, a driving device, a central bearing seat, a transmission system, a bracket pad, a rolling guide rail, a sliding seat, a nut, and a screw rod of a chinese patent (application number: 2022114096358) of the prior application are selected as the frame 1, the driving device 2, the central bearing seat 3, the transmission system 4, the bracket pad 5, the rolling guide rail, the sliding seat 6, the nut 7, and the screw rod 8 of the present example, respectively; and installed and connected in accordance with the method of the prior application.
The lower seat 91 is arranged on the nut 7 and is connected with the nut 7; the upper part of the lower support 91 is embedded with the upper seat 92 and is adjustably connected with the upper seat 92, so that the installation height of the upper seat 92 can be adjusted; the upper seat 92 is arranged on the lower seat 91 and is connected with the lower seat 91; the upper seat 92 can be arranged on the lower seat 91 along the lower seat 91 to adjust the installation position on the lower seat 91; the hinge shaft 93 is arranged on the upper seat 92, so that the self-adaptive clamping head can be hinged on the upper seat 92; the self-adaptive clamping head is arranged on the upper seat 92 and hinged with the upper seat 92, and comprises a clamping seat 94, an upper ball head 95 and a lower ball head 96; the clamping seat 94 is arranged on the hinge shaft 93 and hinged with the upper seat 92; the upper ball head 95 is arranged on the clamping seat 94 and positioned at the side edge of the clamping seat 94, and is connected with the clamping seat 94 through a ball rod; the head of the upper ball head 95 is cylindrical or spherical; the lower ball head 96 is arranged on the clamping seat 94 and positioned below the clamping seat 94, and is connected with the clamping seat 94 through a ball rod; the head of the lower ball head 96 is cylindrical or spherical; this completes the implementation of the adaptive clamping means 9.
When the clamping device is applied, the driving device 2 is started, the screw rod 8 is driven to rotate through the transmission device 4, the nuts 7 at the two ends are driven to move reversely and symmetrically inwards due to the fact that the two ends of the screw rod 8 are reversely rotated, then the self-adaptive clamping devices 9 on the two nuts 7 are driven to move oppositely, after the side wall of the rectangular section bar is contacted with the lower ball head 96 of the self-adaptive clamping device 9, the lower ball head 96 is pushed to move continuously, the upper ball head 95 is driven to move downwards by swinging of the lower ball head 96, when the upper ball head 95 moves downwards to be contacted with the upper surface of the rectangular section bar, the pair of self-adaptive clamping devices 9 clamp the rectangular section bar, because a ball head structure is adopted, the contact surfaces of the upper ball head 95 and the lower ball head 96 of the clamping element and the rectangular section bar are tiny points, the contact surfaces of the section bar are not influenced by the unevenness, rust and tiny deformation of the section bar surfaces, the clamping adaptability is improved, meanwhile, the structure is simple, and the clamping speed is high.
Claims (7)
1. The positioning and clamping device comprises a frame, a driving device, a central bearing seat, a transmission system, a bracket backing plate, a rolling guide rail, a sliding seat, a nut and a screw rod; the method is characterized in that: the self-adaptive clamping device comprises a lower support, an upper seat, a hinge shaft and a self-adaptive clamping head; the lower support is arranged on the nut and is connected with the nut; the upper part of the lower support is embedded with the upper seat and is connected with the upper seat in an adjustable way, so that the installation height of the upper seat can be adjusted; the upper seat is arranged on the lower support and is connected with the lower support; the upper seat can be arranged on the lower support along the lower support to adjust the installation position of the upper seat and the lower support; the hinge shaft is arranged on the upper seat and can hinge the self-adaptive clamping head on the upper seat; the self-adaptive clamping seat is arranged on the upper seat and hinged with the upper seat, and comprises a clamping seat, an upper ball head and a lower ball head; the clamping seat is arranged on the hinge shaft and hinged with the upper seat; the upper ball head is arranged on the clamping seat and positioned at the side edge of the clamping seat, and is connected with the clamping seat through a ball rod; the head of the upper ball head is cylindrical or spherical; the lower ball head is arranged on the clamping seat and positioned below the clamping seat, and is connected with the clamping seat through the ball rod; the head of the lower ball head is cylindrical or spherical.
2. The multi-specification rectangular profile positioning and clamping device according to claim 1, wherein: the clamping seat is provided with a limiting pin which is matched with the limiting groove on the upper seat, so that the maximum swing angle of the clamping seat on the upper seat can be limited.
3. The multi-specification rectangular profile positioning and clamping device according to claim 1, wherein: the included angle between the upper ball head and the lower ball head is smaller than or equal to 90 degrees.
4. The multi-specification rectangular profile positioning and clamping device according to claim 1, wherein: a compression spring is arranged between the lower ball head and the upper seat, so that the distance between the lower ball head and the side wall of the upper seat can be kept.
5. The multi-specification rectangular profile positioning and clamping device according to claim 1, wherein: the upper ball head and the lower ball head are connected with the clamping seat by adopting threads.
6. The multi-specification rectangular profile positioning and clamping device according to claim 1, wherein: the lower support is provided with a slotted hole, and bolts used for fastening the lower support and the upper seat are connected with the upper seat through the slotted hole.
7. The multi-specification rectangular profile positioning and clamping device according to claim 1, wherein: the self-adaptive clamping device is provided with a plurality of self-adaptive clamping devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320724755.0U CN219725344U (en) | 2023-04-04 | 2023-04-04 | Positioning and clamping device for multi-specification rectangular section bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320724755.0U CN219725344U (en) | 2023-04-04 | 2023-04-04 | Positioning and clamping device for multi-specification rectangular section bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219725344U true CN219725344U (en) | 2023-09-22 |
Family
ID=88026543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320724755.0U Active CN219725344U (en) | 2023-04-04 | 2023-04-04 | Positioning and clamping device for multi-specification rectangular section bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219725344U (en) |
-
2023
- 2023-04-04 CN CN202320724755.0U patent/CN219725344U/en active Active
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