CN220922129U - Swing arm work piece frock clamp - Google Patents
Swing arm work piece frock clamp Download PDFInfo
- Publication number
- CN220922129U CN220922129U CN202322598378.3U CN202322598378U CN220922129U CN 220922129 U CN220922129 U CN 220922129U CN 202322598378 U CN202322598378 U CN 202322598378U CN 220922129 U CN220922129 U CN 220922129U
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- swing arm
- positioning
- side wall
- fixedly connected
- arm workpiece
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- 238000003825 pressing Methods 0.000 claims abstract description 26
- 210000005056 cell body Anatomy 0.000 claims description 5
- 238000003754 machining Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 206010066054 Dysmorphism Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a swing arm workpiece fixture which comprises a fixed base, wherein the top of the fixed base is rotationally connected with a rotary table piece; the top of the rotary table piece is fixedly assembled and connected with a plurality of positioning units which are respectively used for positioning the swing arm workpiece; the positioning units comprise positioning clamps, each positioning clamp comprises a clamp body, and a plurality of positioning pin columns are fixedly connected to the outer side wall of each clamp body; the center of the outer side wall of the clamp body is provided with a pin pressing plate, the clamp body is fixedly connected with a sliding screw rod which is in sliding connection with the pin pressing plate, and the sliding screw rod is in threaded connection with a touch nut which touches the pin pressing plate; the sliding screw rod is sleeved with a spring. The device part is designed to realize that the special-shaped swing arm workpieces are positioned and locked simultaneously, so that the machining efficiency is improved, the positioning in a stable mode is realized, and the machining accuracy is improved.
Description
Technical Field
The utility model relates to the technical field of swing arm workpiece machining, in particular to a swing arm workpiece fixture.
Background
The swing arm workpiece is a relatively conventional part in the mechanical parts, and the shapes of the swing arm workpiece are greatly different according to the applied machines of the swing arm workpiece. The swing arm work pieces are installed on a swing mechanism on the machine in a hinged manner.
The shape of swing arm work piece is mostly dysmorphism structure, in the course of working, often needs to lock the swing arm work piece of dysmorphism structure and fix a position, and convenient processing equipment processes such as bore hole, fluting to the work piece after the lock is fixed a position.
Specifically, the swing arm workpiece is positioned on the fixture in a conventional positioning mode, and the swing arm workpiece in a positioning state in the working process is high in machining precision and machining efficiency. However, the swing arm workpiece with the irregular structure has irregular geometric shapes, and when the swing arm workpiece is positioned, the irregularly-structured swing arm workpiece is difficult to position in a simple and effective way. In the machining process, once the positioning is unstable, the workpiece in a loose state is easy to misplace in the machining process, so that the workpiece becomes waste.
Meanwhile, at present, the positioning fixture can only be used for positioning a single workpiece by a single tool, and the swing arm workpiece, particularly a workpiece with a smaller size, needs to be continuously fed, positioned and discharged in the machining process, so that excessive time is consumed for feeding, positioning and releasing the discharged workpiece when a certain number of workpieces are machined, and the machining efficiency is not high. The special-shaped swing arm workpiece positioning is difficult, the flexibility of machining is low, a plurality of workpieces with smaller sizes cannot be positioned by a single tool, and after one-time positioning is realized, a plurality of workpieces are machined, so that the operation amount in the machining process is reduced, and the machining efficiency is improved.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a swing arm workpiece fixture.
The utility model solves the technical problems through the following technical scheme:
the swing arm workpiece fixture comprises a fixed base, wherein the top of the fixed base is rotationally connected with a rotary table piece;
The top of the rotating table piece is fixedly assembled and connected with a plurality of positioning units which are respectively used for positioning the swing arm workpiece;
The positioning units comprise positioning clamps, each positioning clamp comprises a clamp body, and a plurality of positioning pin columns are fixedly connected to the outer side wall of each clamp body;
The center of the outer side wall of the clamp body is provided with a pin pressing plate, the clamp body is fixedly connected with a sliding screw rod which is in sliding connection with the pin pressing plate, and the sliding screw rod is connected with a touch pressing nut which is used for pressing the pin pressing plate in a threaded manner;
And the sliding screw rod is sleeved with a spring.
Preferably, the upper side and the lower side of the outer side wall of the clamp body are respectively and fixedly connected with two positioning pin columns which are arranged at left and right intervals.
Preferably, the fixture body comprises a vertical part which is vertically arranged, a horizontal part which is horizontally arranged is integrally formed on the vertical part, a plurality of assembling screws are fixedly connected to the top of the rotary table, and the assembling screws penetrate through the horizontal part;
and the assembly screw is in threaded connection with a positioning nut for positioning the clamp body.
Preferably, the rotary table member includes an annular base portion, an annular protrusion portion provided in a protruding manner is integrally formed at a top portion of the annular base portion, and the assembly screw is fixedly connected to the top portion of the annular protrusion portion.
Preferably, a groove body matched with the rotary table piece is formed at the top of the fixed base, and the annular base part is rotatably connected in the groove body;
The central part integrated into one piece of cell body has boss portion, the inside wall of annular convex part is contradicted on boss portion's lateral wall.
Preferably, the inner side wall and the outer side wall of the annular base part are respectively limited with a plurality of rollers;
The inner side wall and the outer side wall of the groove body are respectively provided with a roller path matched with the rollers, and the rollers roll on the roller paths.
Preferably, a driving motor for driving the rotary table member to rotate is assembled and connected to the bottom of the fixed base.
Preferably, the annular convex part is internally fixedly connected with an inner center driving rod, and an output shaft of the driving motor is assembled and connected with the inner center driving rod through a detachable connecting structure.
Preferably, the detachable connection structure comprises a hexagonal body convex seat integrally formed at the middle part of the inner center driving rod, a hexagonal body connection seat is inserted on the hexagonal body convex seat, the bottom of the hexagonal body connection seat is fixedly connected with a connection shaft, and the connection shaft is fixedly connected to an output shaft of the driving motor;
The hexagonal convex seat is connected with a plurality of fastening screws fastened on the hexagonal connecting seat through threads.
Compared with the prior art, the utility model has the following advantages:
1. After the swing arm workpiece is limited between the positioning pins, a through hole at the center of the pin pressing plate penetrates through along the sliding screw, the pin pressing plate is pressed on the swing arm workpiece by screwing the movable contact nut to the contact nut, the pin pressing plate is pressed by the movable contact nut, the swing arm workpiece is pressed by the contact force, the swing arm workpiece is abutted against the clamp body (at the moment, the spring is compressed, the inner end of the spring is fixed on the side wall of the vertical part), under the action of the mode, the stability of positioning of the swing arm workpiece is high, and after machining, the swing arm workpiece is conveniently loosened under the elastic pushing of the spring.
2. The workpiece processing device has the advantages that a certain number of workpieces are simultaneously positioned with higher positioning stability, a plurality of swing arm workpieces in a positioning state are simultaneously processed, the processing efficiency is high firstly, the workpiece processing precision in a stable positioning state is high secondly, and the feeding positioning and the loosening discharging are convenient thirdly.
3. A plurality of rollers are respectively limited on the inner side wall and the outer side wall of the annular base part, meanwhile, roller paths matched with the rollers are respectively arranged on the inner side wall and the outer side wall of the corresponding groove body, and the rollers roll on the roller paths. The bottom of the fixed base is assembled and connected with a driving motor for driving the rotary table piece to rotate. In the working process, under the drive of the driving motor, the rotary table piece rotates at the moment, and the positioning unit is continuously switched to rotate below the tool bit of the processing equipment in a flexible and stable mode in the rotating process. Due to the adoption of the roller-raceway structure design, the rotating precision is high, the flexibility is high, and the positioning unit is ensured to accurately move to a specific position after rotation along with a workpiece.
Drawings
FIG. 1 is a schematic view of a dispersion structure according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a positioning unit according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a structure in which a fixture body is fixedly provided with a swing arm workpiece in an embodiment of the utility model;
FIG. 4 is a schematic view of a detachable connection structure according to an embodiment of the present utility model;
fig. 5 is a schematic diagram of the overall structure in the embodiment of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Example 1
As shown in fig. 1-5, the swing arm workpiece fixture comprises a fixed base 1, wherein the top of the fixed base 1 is rotatably connected with a rotary table piece.
Specifically, the top of the rotary table member is fixedly assembled and connected with a plurality of positioning units for positioning the swing arm workpieces 5, respectively. Through the mode, a certain number of swing arm workpieces 5 are positioned simultaneously, and after being processed sequentially, the materials are discharged, so that the processing efficiency is improved.
Specifically, the positioning units all include positioning jigs, positioning jigs includes the anchor clamps body 31, and the shape of the anchor clamps body 31 is: the clamp body 31 comprises a vertical part which is vertically arranged, a horizontal part which is horizontally arranged (the horizontal part is arranged inwards) is integrally formed on the vertical part, a plurality of assembly screws 23 are fixedly connected to the top of the rotating table, and the assembly screws 23 penetrate through the horizontal part; the assembly screw 23 is screwed with a positioning nut for positioning the clamp body 31. In this way, the detachably fixed fitting of the clamp body 31 is achieved. The number of the tool positioning swing arm workpieces 5 is convenient to realize according to production and processing requirements.
In order to position the swing arm workpiece 5, a plurality of positioning pins 32 are fixedly connected to the outer side wall of the fixture body 31; specifically, two positioning pins 32 disposed at left and right intervals are fixedly connected to the upper and lower side positions of the outer side wall of the clamp body 31.
The number and position of the locating pins 32 are adapted to the mechanical holes in the swing arm workpiece 5. The positioning is that firstly, the swing arm workpiece 5 is inserted along the position of the positioning pin posts 32, and at the moment, the swing arm workpiece 5 is limited between the positioning pin posts 32.
Meanwhile, a pin pressing plate 33 is assembled and connected to the center of the outer side wall of the clamp body 31, a sliding screw 34 which is in sliding connection with the pin pressing plate 33 is fixedly connected to the clamp body 31, and a touch pressing nut which is used for pressing the pin pressing plate 33 is connected to the sliding screw 34 in a threaded manner; the sliding screw 34 is sleeved with a spring 341.
After the swing arm workpiece 5 is limited between the positioning pins 32 in the above manner, at this time, a through hole at the center of the pin pressing plate 33 penetrates through along the sliding screw 34, and the pressing nut is screwed to press the pin pressing plate 33 against the pin pressing plate 33 to press the swing arm workpiece 5, at this time, the swing arm workpiece 5 is pressed against the fixture body 31 by the pressing force (at this time, the spring 341 is compressed, and the inner end of the spring 341 is fixed on the side wall of the vertical portion), under the action of this manner, the stability of positioning of the swing arm workpiece 5 is high, and after processing, the swing arm workpiece 5 is conveniently loosened under the elastic pushing of the spring 341.
The mode realizes that a certain number of workpieces are positioned simultaneously with higher positioning stability, a plurality of swing arm workpieces 5 in a positioning state are processed simultaneously, the processing efficiency is high firstly, the workpiece processing precision in a stable positioning state is high secondly, and the feeding, positioning and releasing are convenient.
Example 2
As shown in fig. 1 to 5, in order to realize the swing arm workpiece 5 that is convenient to switch processing during processing based on the structure of embodiment 1, the rotary table member includes an annular base portion 21, an annular protrusion 22 that protrudes is integrally formed at the top of the annular base portion 21, and the assembly screw 23 is fixedly connected to the top of the annular protrusion 22.
Correspondingly, a groove body matched with the rotary table piece is formed at the top of the fixed base 1, and the annular base part 21 is rotatably connected in the groove body; the central part integrated into one piece of cell body has boss portion (the cell body is the ring channel, offers the back, and the top central point of unable adjustment base 1 puts and forms circular boss portion relatively the cell body, boss portion size and the big or small adaptation of annular convex part 22), the inside wall of annular convex part 22 is contradicted on the lateral wall of boss portion.
Meanwhile, in order to improve the flexibility and stability of rotation, the inner side wall and the outer side wall of the annular base portion 21 are respectively limited with a plurality of rollers a (according to the existing conventional mode, the inner side wall and the outer side wall of the annular base portion 21 are provided with a plurality of roller a grooves distributed in an annular array, and the rollers a are limited behind the roller a grooves and can rotate freely).
Meanwhile, the inner side wall and the outer side wall of the corresponding groove body are respectively provided with a rollaway nest (the rollaway nest is of an annular groove body structure) which is matched with the roller A, and the roller A rolls on the rollaway nest. The bottom of the fixed base 1 is assembled and connected with a driving motor 4 for driving the rotary table member to rotate (in the existing manner, a motor body of the driving motor 4 is fixedly installed at the bottom of the fixed base 1, such as through a mounting frame.
In the working process, the rotary table piece rotates under the driving of the driving motor 4, and the positioning unit is continuously switched to rotate below the tool bit of the processing equipment in a flexible and stable mode in the rotating process. Due to the adoption of the roller A-roller path structure design, the rotating precision is high, the flexibility is high, and the positioning unit is ensured to accurately move to a specific position after rotation.
Example 3
As shown in fig. 1 to 5, in this embodiment, based on the structure of embodiment 1, an inner center driving rod 24 is fixedly connected in the annular protrusion 22, and an output shaft of the driving motor 4 is assembled and connected with the inner center driving rod 24 through a detachable connection structure. The detachable connection structure comprises a hexagonal boss 241 which is integrally formed at the middle part of the inner center driving rod 24, a hexagonal connecting seat 41 is inserted on the hexagonal boss 241 (a hexagonal through hole structure is arranged on the hexagonal boss 241), a connecting shaft is fixedly connected to the bottom of the hexagonal connecting seat 41 and is fixedly connected to the output shaft of the driving motor 4 (a through hole penetrating through the output shaft of the driving motor 4 is arranged on the fixing seat); the hexagonal boss 241 is screwed with a plurality of fastening screws fastened to the hexagonal connection seat 41.
The above-described manner enables the drive motor 4 to be detachably fitted to the inner center drive lever 24. In the working process, the fastening screw is loosened after the installation frame on the driving motor 4 is disassembled to realize the detachable assembly.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (9)
1. The swing arm workpiece fixture is characterized by comprising a fixed base, wherein the top of the fixed base is rotationally connected with a rotary table piece;
The top of the rotating table piece is fixedly assembled and connected with a plurality of positioning units which are respectively used for positioning the swing arm workpiece;
The positioning units comprise positioning clamps, each positioning clamp comprises a clamp body, and a plurality of positioning pin columns are fixedly connected to the outer side wall of each clamp body;
The center of the outer side wall of the clamp body is provided with a pin pressing plate, the clamp body is fixedly connected with a sliding screw rod which is in sliding connection with the pin pressing plate, and the sliding screw rod is connected with a touch pressing nut which is used for pressing the pin pressing plate in a threaded manner;
And the sliding screw rod is sleeved with a spring.
2. The swing arm workpiece fixture of claim 1, wherein the upper and lower side positions of the outer side wall of the fixture body are respectively fixedly connected with two positioning pins which are arranged at left and right intervals.
3. The swing arm workpiece fixture of claim 1, wherein the fixture body comprises a vertical portion which is vertically arranged, a horizontal portion which is horizontally arranged is integrally formed on the vertical portion, a plurality of assembly screws are fixedly connected to the top of the rotating table, and the assembly screws penetrate through the horizontal portion;
and the assembly screw is in threaded connection with a positioning nut for positioning the clamp body.
4. The swing arm work fixture according to claim 3, wherein the rotary table member comprises an annular base portion, an annular protrusion portion provided in a protruding manner is integrally formed at a top portion of the annular base portion, and the assembly screw is fixedly connected to a top portion of the annular protrusion portion.
5. The swing arm workpiece fixture of claim 4, wherein the top of the fixed base is provided with a groove body matched with the rotary table piece, and the annular base part is rotatably connected in the groove body;
The central part integrated into one piece of cell body has boss portion, the inside wall of annular convex part is contradicted on boss portion's lateral wall.
6. The swing arm workpiece fixture of claim 5, wherein a plurality of rollers are respectively limited on the inner side wall and the outer side wall of the annular base part;
The inner side wall and the outer side wall of the groove body are respectively provided with a roller path matched with the rollers, and the rollers roll on the roller paths.
7. The swing arm work fixture according to claim 4, wherein a driving motor for driving the rotation table member to rotate is assembled at the bottom of the fixing base.
8. The swing arm workpiece fixture of claim 7, wherein the annular protrusion is fixedly connected with an inner center driving rod, and the output shaft of the driving motor is assembled and connected with the inner center driving rod through a detachable connecting structure.
9. The swing arm workpiece fixture of claim 8, wherein the detachable connection structure comprises a hexagonal body boss integrally formed at the middle position of the inner center driving rod, a hexagonal body connection seat is inserted on the hexagonal body boss, a connection shaft is fixedly connected to the bottom of the hexagonal body connection seat, and the connection shaft is fixedly connected to an output shaft of the driving motor;
The hexagonal convex seat is connected with a plurality of fastening screws fastened on the hexagonal connecting seat through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322598378.3U CN220922129U (en) | 2023-09-22 | 2023-09-22 | Swing arm work piece frock clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322598378.3U CN220922129U (en) | 2023-09-22 | 2023-09-22 | Swing arm work piece frock clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220922129U true CN220922129U (en) | 2024-05-10 |
Family
ID=90932042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322598378.3U Active CN220922129U (en) | 2023-09-22 | 2023-09-22 | Swing arm work piece frock clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220922129U (en) |
-
2023
- 2023-09-22 CN CN202322598378.3U patent/CN220922129U/en active Active
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