CN220178726U - Positioning fixture for machining - Google Patents
Positioning fixture for machining Download PDFInfo
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- CN220178726U CN220178726U CN202321648344.4U CN202321648344U CN220178726U CN 220178726 U CN220178726 U CN 220178726U CN 202321648344 U CN202321648344 U CN 202321648344U CN 220178726 U CN220178726 U CN 220178726U
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- fixedly connected
- sliding
- positioning fixture
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- seat
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- 238000003754 machining Methods 0.000 title claims abstract description 26
- 238000009434 installation Methods 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000008859 change Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to a positioning fixture for machining, which comprises a fixed base, wherein a clamping mechanism is arranged at the top of the fixed base, the clamping mechanism comprises a fixed rod fixedly connected with the fixed base, an electric push rod is fixedly connected inside the fixed rod, an installation seat is fixedly connected with the output end of the electric push rod, pull rods are hinged to the left side and the right side of the installation seat, a first sliding seat sleeved with the fixed rod is hinged to one end of the pull rod, far away from the installation seat, and a supporting column in sliding connection with the fixed base is fixedly connected to the top of the first sliding seat. This positioning fixture of machining, through setting up fixture, convenient to use person adjusts into anchor clamps according to the machined part size, reduces the repeated regulation that the machined part was changed, improves the machining efficiency of machined part, has solved current positioning fixture, when carrying out the change of machined part, needs to carry out the repeated regulation, has influenced the problem to the machining efficiency of machined part.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a positioning clamp for machining.
Background
Machining refers to a process of changing the external dimensions or properties of a workpiece by a mechanical device, and can be classified into cutting and pressing according to the difference in machining modes.
At present, in the engineering of carrying out machining, generally, can use positioning fixture to fix a position and fix the machined part, reduce the slip of machined part, be convenient for handle the processing of machined part, but current positioning fixture when carrying out the change of machined part, need carry out the regulation that iterates, has influenced the machining efficiency to the machined part.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a positioning fixture for machining, which has the advantages of convenient adjustment, high efficiency and the like, and solves the problems that the repeated adjustment is needed when a workpiece is replaced, and the machining efficiency of the workpiece is affected.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the positioning fixture comprises a fixed base, wherein a clamping mechanism is arranged at the top of the fixed base;
the clamping mechanism comprises a fixed rod fixedly connected with a fixed base, an electric push rod is fixedly connected inside the fixed rod, an installation seat is fixedly connected to the output end of the electric push rod, pull rods are hinged to the left side and the right side of the installation seat, a first sliding seat sleeved with the fixed rod is hinged to one end of each pull rod, which is far away from the installation seat, a support column which is in sliding connection with the fixed base is fixedly connected to the top of each first sliding seat, and concave blocks are fixedly connected to one side, opposite to each support column;
the clamping mechanism further comprises connecting rods fixedly connected with the concave blocks, the second sliding seats are sleeved outside the connecting rods, one sides of the second sliding seats opposite to the concave blocks are fixedly connected with reset springs sleeved with the connecting rods, the two sides of the second sliding seats opposite to the second sliding seats are fixedly connected with electromagnetic clamping blocks, the two sides of the electromagnetic clamping blocks opposite to the electromagnetic clamping blocks are fixedly connected with protection pads, the two sides of the protection pads opposite to the protection pads are provided with workpiece bodies, the inner top wall and the inner bottom wall of each concave block are fixedly connected with permanent magnets, the inner parts of the connecting rods are fixedly connected with contact type pressure sensors, and the tops of the fixing bases are fixedly connected with processors.
Further, the left side and the right side of the mounting seat and the bottom of the first sliding seat are both provided with hinging seats, and the pull rod is hinged with the mounting seat and the first sliding seat through the hinging seats.
Further, the top of unable adjustment base has seted up the spout that is two in quantity, the support column passes through spout and unable adjustment base sliding connection.
Further, two sides that the second sliding seat is separated from are all fixedly connected with the slider, the second sliding seat passes through slider and spill piece sliding connection.
Further, the mounting hole has been seted up to the inside of dead lever, electric putter passes through mounting hole and dead lever fixed connection.
Further, the protection pad is rubber, and anti-skidding patterns are arranged on the outer portion of the protection pad.
Further, the inside of connecting rod has seted up the mounting groove, contact pressure sensor passes through mounting groove and connecting rod fixed connection.
Further, the contact type pressure sensor is in signal connection with a processor, and the processor is electrically connected with the electric push rod.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
this positioning fixture of machining, through setting up fixture, convenient to use person adjusts into anchor clamps according to the machined part size, reduces the repeated regulation that the machined part was changed, improves the machining efficiency of machined part, has solved current positioning fixture, when carrying out the change of machined part, needs to carry out the repeated regulation, has influenced the problem to the machining efficiency of machined part.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present utility model;
FIG. 2 is an enlarged view of the structure A of FIG. 1 in accordance with the present utility model;
fig. 3 is a front view of a part of the structure of the present utility model.
In the figure: 1. a fixed base; 2. a fixed rod; 3. an electric push rod; 4. a mounting base; 401. a hinge base; 5. a pull rod; 6. a first sliding seat; 7. a support column; 8. a concave block; 9. a connecting rod; 10. a second sliding seat; 11. a return spring; 12. an electromagnetic clamping block; 13. a protective pad; 14. a work piece body; 15. permanent magnet blocks; 16. a contact pressure sensor; 17. a processor; 18. a sliding block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a positioning fixture for machining in this embodiment includes a fixing base 1, and a clamping mechanism is disposed on top of the fixing base 1.
In this embodiment, fixture includes dead lever 2 with unable adjustment base 1 fixed connection, dead lever 2's inside fixedly connected with electric putter 3, the mounting hole has been seted up to dead lever 2's inside, electric putter 3 passes through mounting hole and dead lever 2 fixed connection, make things convenient for electric putter 3's installation fixedly, provide the driving force of regulation through electric putter 3, electric putter 3's output fixedly connected with mount pad 4, the left and right sides of mount pad 4 articulates there is pull rod 5, the one end that mount pad 4 was kept away from to pull rod 5 articulates there is first sliding seat 6 with dead lever 2 cup joint, the left and right sides of mount pad 4 all is provided with articulated seat 401 with the bottom of first sliding seat 6, pull rod 5 articulates with mount pad 4 and first sliding seat 6 through articulated seat 401, electric putter 3 circular telegram extends, promote mount pad 4 downwardly moving, make pull rod 5 rotate with articulated seat 401 as the center, and drive first sliding seat 6 in the outside relative slip of dead lever 2, the convenience of customers adjusts.
Wherein, the top fixedly connected with of first sliding seat 6 and unable adjustment base 1 sliding connection's support column 7, the equal fixedly connected with spill piece 8 of one side that two support columns 7 are relative, the spout 101 that the quantity is two has been seted up at unable adjustment base 1's top, the support column 7 passes through spout 101 and unable adjustment base 1 sliding connection, it is spacing to support column 7 and first sliding seat 6, the slip of first sliding seat 6 in the outside of dead lever 2 of being convenient for, the slip of first sliding seat 6 drives support column 7 and spill piece 8 and removes, the centre gripping to the multiple size machined part of being convenient for.
The clamping mechanism further comprises a connecting rod 9 fixedly connected with the concave block 8, two second sliding seats 10 are sleeved outside the connecting rod 9, one sides of the two second sliding seats 10, which are separated from each other, are fixedly connected with sliding blocks 18, the second sliding seats 10 are in sliding connection with the concave block 8 through the sliding blocks 18, the second sliding seats 10 are limited, the second sliding seats 10 slide outside the connecting rod 9 conveniently, a reset spring 11 sleeved with the connecting rod 9 is fixedly connected to one side of the second sliding seats 10, which is opposite to the concave block 8, electromagnetic clamping blocks 12 are fixedly connected to one side of the two second sliding seats 10, a protection pad 13 is fixedly connected to one side of the two electromagnetic clamping blocks 12, a workpiece body 14 is placed on one side of the two protection pads 13, the protection pad 13 is made of rubber, anti-skidding lines are arranged outside the protection pad 13, abrasion of the workpiece body 14 is reduced, friction between the protection pad 13 and the workpiece body 14 is increased, and sliding of the workpiece is reduced.
Wherein, roof and interior diapire all fixedly connected with permanent magnetism piece 15 in the concave piece 8, the inside fixedly connected with contact pressure sensor 16 of connecting rod 9, the mounting groove has been seted up to the inside of connecting rod 9, contact pressure sensor 16 passes through mounting groove and connecting rod 9 fixed connection, the installation of contact pressure sensor 16 of being convenient for is fixed, monitor the clamping force of positioning fixture to machined part body 14 through contact pressure sensor 16, the top fixedly connected with treater 17 of unable adjustment base 1, contact pressure sensor 16 and treater 17 signal connection, treater 17 and electric putter 3 electricity are connected, treater 17 includes signal receiving module, processing module and control module, when positioning fixture monitored the clamping force of positioning fixture to machined part body 14 at contact pressure sensor 16, treater 17 makes electric putter 3 outage, stop continuing to pressurize to machined part body 14.
It is to be noted that, through setting up fixture, convenient to use person adjusts into anchor clamps according to the machined part size, reduces the repeated regulation that the machined part was changed, improves the machining efficiency of machined part, has solved current positioning fixture, when carrying out the change of machined part, needs to carry out repeated regulation, has influenced the problem to the machining efficiency of machined part.
Specifically, when the workpiece needs to be positioned, the fixing base 1 is fixedly connected with the machining table, then the workpiece body 14 is placed between the two protection pads 13, the electric push rod 3 is electrified and extends, the installation seat 4 is pushed to move downwards, the pull rod 5 rotates around the hinging seat 401 and drives the first sliding seat 6 to slide relatively outside the fixing rod 2, the sliding of the first sliding seat 6 drives the supporting column 7 and the concave block 8 to move, the connecting rod 9 is enabled to be in contact with the workpiece body 14, when the contact type pressure sensor 16 monitors the clamping force of the connecting rod 9 on the workpiece body 14, the processor 17 enables the electric push rod 3 to be powered off, the continuous pressurization on the workpiece body 14 is stopped, finally the electromagnetic clamping blocks 12 are electrified to generate a magnetic field which is opposite to the permanent magnetic blocks 15, the four electromagnetic clamping blocks 12 are enabled to move relatively, the workpiece body 14 is clamped and positioned, when the workpiece needs to be replaced, the electromagnetic clamping blocks 12 are enabled to be powered off, the reset spring 11 drives the electromagnetic clamping blocks 12 to reset, and a user does not need to adjust a clamp, so that the purpose of improving the machining efficiency is achieved.
The working principle of the embodiment is as follows:
this positioning fixture of machining, when needs are fixed a position the machined part, with unable adjustment base 1 and machining platform fixed connection, then place the machined part body 14 with between two protection pads 13, electric putter 3 circular telegram extends, promote mount pad 4 and move downwards, make pull rod 5 rotate with articulated seat 401 as the center, and drive first sliding seat 6 in the outside relative slip of dead lever 2, the slip of first sliding seat 6 drives support column 7 and spill piece 8 and removes, make connecting rod 9 contact with machined part body 14, when contact pressure sensor 16 detects the clamping force of connecting rod 9 to machined part body 14, the treater 17 makes electric putter 3 outage, stop to continue to pressurize machined part body 14, finally the circular telegram of electromagnetism clamp piece 12 produces the magnetic field that repels with permanent magnetism piece 15, make four electromagnetism clamp pieces 12 relative movement, carry out the centre gripping location to machined part body 14, when needs to change the machined part, make electromagnetism clamp piece 12 outage, reset spring 11 drives electromagnetism clamp piece 12 and resets, the user need not to adjust the clamp, thereby reach the purpose that improves the machining efficiency to the machined part.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a positioning fixture of machining, includes unable adjustment base (1), its characterized in that: the top of the fixed base (1) is provided with a clamping mechanism;
the clamping mechanism comprises a fixed rod (2) fixedly connected with a fixed base (1), an electric push rod (3) is fixedly connected to the inside of the fixed rod (2), an installation seat (4) is fixedly connected to the output end of the electric push rod (3), pull rods (5) are hinged to the left side and the right side of the installation seat (4), a first sliding seat (6) sleeved with the fixed rod (2) is hinged to one end, away from the installation seat (4), of each pull rod (5), a support column (7) in sliding connection with the fixed base (1) is fixedly connected to the top of each first sliding seat (6), and concave blocks (8) are fixedly connected to one sides, opposite to the support columns (7);
the clamping mechanism further comprises connecting rods (9) fixedly connected with the concave blocks (8), the second sliding seats (10) with the number of two are sleeved outside the connecting rods (9), reset springs (11) sleeved with the connecting rods (9) are fixedly connected to one sides of the second sliding seats (10) opposite to the concave blocks (8), electromagnetic clamping blocks (12) are fixedly connected to one sides of the two second sliding seats (10), protection pads (13) are fixedly connected to one sides of the two electromagnetic clamping blocks (12), workpiece bodies (14) are arranged on one sides of the two protection pads (13) opposite to each other, permanent magnet blocks (15) are fixedly connected to the inner top wall and the inner bottom wall of the concave blocks (8), contact type pressure sensors (16) are fixedly connected to the inner sides of the connecting rods (9), and processors (17) are fixedly connected to the tops of the fixing bases (1).
2. A machined positioning fixture as set forth in claim 1 wherein: the left side and the right side of the mounting seat (4) and the bottom of the first sliding seat (6) are both provided with hinging seats (401), and the pull rod (5) is hinged with the mounting seat (4) and the first sliding seat (6) through the hinging seats (401).
3. A machined positioning fixture as set forth in claim 1 wherein: the top of unable adjustment base (1) has seted up spout (101) that are two in quantity, support column (7) are through spout (101) and unable adjustment base (1) sliding connection.
4. A machined positioning fixture as set forth in claim 1 wherein: the two sides of the second sliding seats (10) which are separated from each other are fixedly connected with sliding blocks (18), and the second sliding seats (10) are in sliding connection with the concave blocks (8) through the sliding blocks (18).
5. A machined positioning fixture as set forth in claim 1 wherein: the electric push rod is characterized in that a mounting hole is formed in the fixing rod (2), and the electric push rod (3) is fixedly connected with the fixing rod (2) through the mounting hole.
6. A machined positioning fixture as set forth in claim 1 wherein: the protection pad (13) is made of rubber, and anti-skid patterns are arranged outside the protection pad (13).
7. A machined positioning fixture as set forth in claim 1 wherein: the inside of connecting rod (9) has seted up the mounting groove, contact pressure sensor (16) pass through mounting groove and connecting rod (9) fixed connection.
8. A machined positioning fixture as set forth in claim 1 wherein: the contact type pressure sensor (16) is in signal connection with the processor (17), and the processor (17) is electrically connected with the electric push rod (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321648344.4U CN220178726U (en) | 2023-06-27 | 2023-06-27 | Positioning fixture for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321648344.4U CN220178726U (en) | 2023-06-27 | 2023-06-27 | Positioning fixture for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220178726U true CN220178726U (en) | 2023-12-15 |
Family
ID=89112729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321648344.4U Active CN220178726U (en) | 2023-06-27 | 2023-06-27 | Positioning fixture for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220178726U (en) |
-
2023
- 2023-06-27 CN CN202321648344.4U patent/CN220178726U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |