CN114193360A - Multi-station clamp - Google Patents
Multi-station clamp Download PDFInfo
- Publication number
- CN114193360A CN114193360A CN202111571886.1A CN202111571886A CN114193360A CN 114193360 A CN114193360 A CN 114193360A CN 202111571886 A CN202111571886 A CN 202111571886A CN 114193360 A CN114193360 A CN 114193360A
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- China
- Prior art keywords
- clamping block
- movable clamping
- movable
- fixed
- connecting rod
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- 238000003825 pressing Methods 0.000 claims abstract description 23
- 230000000630 rising effect Effects 0.000 claims description 6
- 238000003754 machining Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a multi-station clamp which comprises a mounting plate and a lifting and lowering plate, wherein the middle part of the mounting plate is fixedly connected with a connecting rod, a plurality of processing grooves are formed in the mounting plate, a fixed clamping block is arranged on one side of each processing groove, a movable clamping block is arranged on the other side of each processing groove, a fixed clamping face is arranged on each fixed clamping block, a movable clamping face is arranged on each movable clamping block, each fixed clamping block is fixedly connected with the mounting plate, a lower inclined face is arranged at one end of each movable clamping block, a movable hole is formed in the middle part of the lifting and lowering plate, the connecting rod penetrates through the movable hole, a plurality of lower pressing blocks are arranged on the lifting and lowering plate, an upper inclined face is arranged at the lower end of each lower pressing block, an adjusting plate is arranged above the lifting and lowering plate, a threaded hole is formed in the adjusting plate, the connecting rod penetrates through the threaded hole, and external threads are formed in the connecting rod. The multi-station clamp disclosed by the invention can be used for clamping a plurality of workpieces at the same time, so that the internal cavities of the workpieces can be accurately machined conveniently, and the machining efficiency is improved. Meanwhile, the positioning of the workpiece is more accurate, and the machining precision is ensured.
Description
Technical Field
The invention belongs to the technical field of clamps, and particularly relates to a multi-station clamp.
Background
In the case of a small workpiece having an irregular outer shape and a central hole requiring finish machining, how to effectively fix the workpiece is a difficult problem, and the machining accuracy of the workpiece is directly affected. The surface of a workpiece is easily scratched by adopting a traditional clamp, and the workpiece is difficult to be precisely positioned. Slight errors in the clamping position may result in crushing and deformation of the workpiece.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the technical scheme that: a multi-station clamp comprises a mounting plate and a pressure-increasing and pressure-reducing plate, wherein the middle part of the mounting plate is fixedly connected with a connecting rod, the mounting plate is provided with a plurality of processing grooves, the processing grooves are arranged in an array around the axis circumference of the connecting rod, one side of each processing groove is provided with a fixed clamping block, the other side of each processing groove is provided with a movable clamping block, each fixed clamping block is provided with a fixed clamping surface, each movable clamping block is provided with a movable clamping surface, the fixed clamping surfaces and the movable clamping surfaces are arranged oppositely, the fixed clamping blocks are detachably and fixedly connected with the mounting plate, the two sides of each movable clamping block are respectively provided with a limiting strip fixed on the mounting plate, the limiting strips on the two sides of each movable clamping block form a movable groove for the movable clamping block to move, one end, far away from the fixed clamping blocks, of each movable clamping block is provided with a lower inclined surface, the middle part of the pressure-increasing and pressure-reducing plate is provided with a movable hole, the connecting rod can movably pass through the movable hole, the pressure-increasing and pressure-reducing plate is provided with a plurality of lower pressure-reducing blocks, the lower pressing blocks correspond to the movable clamping blocks one to one, the lower ends of the lower pressing blocks are provided with upper inclined planes, the upper inclined planes are matched with the lower inclined planes, an adjusting plate is arranged above the lifting pressing plate, threaded holes are formed in the adjusting plate, the connecting rod penetrates through the threaded holes, and external threads matched with the threaded holes are formed in the connecting rod.
Preferably, springs are respectively arranged on two sides of the movable clamping block, the springs are arranged in parallel with the limiting strips, one ends of the springs are fixed on the movable clamping block, and the other ends of the springs are fixed on the limiting strips.
Preferably, gaps are respectively arranged between the movable clamping block and the limiting strips on the two sides of the movable clamping block, a swing spring is fixed on the movable clamping block and positioned between the movable clamping block and the corresponding lower pressing block, a return hole is formed in the movable clamping block, a return pin is arranged on the lower pressing block, and the return pin corresponds to the return hole.
As the optimization of above-mentioned technical scheme, the return hole is from last to down including toper section and constant diameter section in proper order, the return round pin is from last to down being equipped with toper section and constant diameter portion in proper order.
Preferably, the constant diameter portion is inserted into the swing spring from an upper end thereof, and a maximum diameter of the tapered portion is smaller than an inner diameter of the swing spring.
Preferably, in the above technical solution, the number of the return holes on each movable clamping block is two, the number of the swing springs on each movable clamping block is two, and the number of the return pins on each lower pressing block is two.
The invention has the beneficial effects that: the multi-station clamp disclosed by the invention can be used for clamping a plurality of workpieces at the same time, so that the internal cavities of the workpieces can be accurately machined conveniently, and the machining efficiency is improved. Meanwhile, the positioning of the workpiece is more accurate, and the machining precision is ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional structure of the present invention;
FIG. 3 is a schematic view of another embodiment of the present invention;
FIG. 4 is a schematic view of the structure of the return pin and return hole.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-4, a multi-station fixture comprises a mounting plate 1 and a lifting pressing plate 2, wherein a connecting rod 3 is fixedly connected to the middle of the mounting plate 1, a plurality of processing grooves 4 are arranged on the mounting plate 1, the processing grooves 4 are arranged in a row around the axis circumference of the connecting rod 3, a fixed clamping block 5 is installed on one side of each processing groove 4, a movable clamping block 6 is installed on the other side of each processing groove 4, a fixed clamping surface 7 is arranged on each fixed clamping block 5, a movable clamping surface 8 is arranged on each movable clamping block 6, the fixed clamping surfaces 7 and the movable clamping surfaces 8 are arranged oppositely, the fixed clamping blocks 5 are detachably and fixedly connected to the mounting plate 1, limiting strips 10 fixed on the mounting plate 1 are respectively arranged on two sides of each movable clamping block 6, a movable groove 11 for the movable clamping block 6 to move is formed by the limiting strips 10 on two sides of each movable clamping block 6, a lower inclined surface 12 is arranged on one end, far away from the fixed clamping block 5, a movable hole 13 is arranged in the middle of the lifting pressing plate 2, connecting rod 3 is mobilizable passes movable hole 13, installs a plurality of briquetting 14 down on the pressure rising and dropping board 2, briquetting 14 and activity clamp splice 6 one-to-one down, and the lower extreme of briquetting 14 is equipped with inclined plane 15 down, and upper inclined plane 15 cooperatees with inclined plane 12 down, the top of pressure rising and dropping board 2 is equipped with regulating plate 16, is equipped with screw hole 17 on the regulating plate 16, connecting rod 3 passes screw hole 17, is equipped with the external screw thread with screw hole 17 matched with on the connecting rod 3. The workpieces are respectively placed into the processing grooves 4, the adjusting plate 16 descends, the pressure rising and reducing plate 2 drives the lower pressing block 14 to descend, and the movable clamping block 6 is pushed towards the fixed clamping block 5 through the matching effect of the upper inclined surface 15 and the lower inclined surface 12 in the descending process of the lower pressing block 14, so that the workpieces are clamped between the movable clamping surface 8 and the fixed clamping surface 7. The fixture is rotated by a specific angle, and the workpieces in different processing tanks 4 are switched to be processed. The processing work efficiency is improved.
Furthermore, springs 18 are respectively arranged on two sides of the movable clamping block 6, the springs 18 are arranged in parallel with the limiting strips 10, one ends of the springs 18 are fixed on the movable clamping block 6, and the other ends of the springs 18 are fixed on the limiting strips 10. The spring 18 pulls the movable clamping block 6 in the opposite direction, so that the movable clamping surface 8 and the fixed clamping surface 7 keep the maximum distance in a natural state, and a workpiece is conveniently placed in. Spring 18 is stretched after depressing block 14 is lowered.
Furthermore, gaps are respectively arranged between the movable clamping block 6 and the limiting strips 10 at two sides of the movable clamping block, a swing spring 19 is fixed on the movable clamping block 6, the swing spring 19 is positioned between the movable clamping block 6 and the corresponding lower pressing block 14, a return hole 15 is arranged on the movable clamping block 6, a return pin 20 is arranged on the lower pressing block 14, and the return pin 20 corresponds to the return hole 15. The movable clamping block 6 can have a certain movable space in a plane and in the vertical direction between the limiting strips 10, when a workpiece is placed between the movable clamping face 8 and the fixed clamping face 7, the movable clamping face 8 can be firstly attached to one face of the workpiece, the lower pressing block 14 descends to a certain height along with the descending of the lower pressing block 14, the return pin 20 is inserted into the return hole 15, the movable clamping block 6 returns to the right position, and finally the workpiece can be kept to be attached to the movable clamping face 8 and the fixed clamping face 7 according to a specific posture. The shapes of the fixed clamping surface 7 and the movable clamping surface 8 are matched with the specific shapes of the two sides of the workpiece.
Further, the return hole 15 sequentially comprises a tapered section 21 and an equal-diameter section 22 from top to bottom, and the return pin 20 sequentially comprises a tapered section 23 and an equal-diameter part 24 from top to bottom. The constant diameter portion 24 extends into the tapered section 21 and then into the constant diameter section 22, so that the movable clamp 6 is finally aligned.
Further, the constant diameter portion 24 is inserted into the swing spring 19 from the upper end of the swing spring 19, and the maximum diameter of the tapered section 21 is smaller than the inner diameter of the swing spring 19. The swing spring 19 is coaxial with the return hole 15. The cooperation of the return pin 20 and the swing spring 19 limits the movable range of the movable clamp 6.
Further, the number of the return holes 15 on each movable clamping block 6 is two, the number of the swing springs 19 on each movable clamping block 6 is two, and the number of the return pins 20 on each lower pressing block 14 is two.
Having described preferred embodiments of the present invention in detail, it is to be understood that modifications and variations may be resorted to without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A multi-station clamp is characterized by comprising a mounting plate and a pressure rising and reducing plate, wherein the middle part of the mounting plate is fixedly connected with a connecting rod, the mounting plate is provided with a plurality of processing grooves, the processing grooves are arranged in an array around the axis circumference of the connecting rod, one side of each processing groove is provided with a fixed clamping block, the other side of each processing groove is provided with a movable clamping block, the fixed clamping block is provided with a fixed clamping surface, the movable clamping block is provided with a movable clamping surface, the fixed clamping surface and the movable clamping surface are arranged oppositely, the fixed clamping block is detachably and fixedly connected with the mounting plate, two sides of the movable clamping block are respectively provided with a limiting strip fixed on the mounting plate, the limiting strips on two sides of the movable clamping block form a movable groove for the movable clamping block, one end of the movable clamping block, far away from the fixed clamping block, is provided with a lower inclined surface, the middle part of the pressure rising and reducing plate is provided with a movable hole through which the connecting rod can move, and the pressure rising and reducing plate is provided with a plurality of pressure blocks, the lower pressing blocks correspond to the movable clamping blocks one to one, the lower ends of the lower pressing blocks are provided with upper inclined planes, the upper inclined planes are matched with the lower inclined planes, an adjusting plate is arranged above the lifting pressing plate, threaded holes are formed in the adjusting plate, the connecting rod penetrates through the threaded holes, and external threads matched with the threaded holes are formed in the connecting rod.
2. A multi-station clamp as claimed in claim 1, wherein springs are respectively arranged on both sides of the movable clamping block, the springs are arranged in parallel with the limiting strips, one end of each spring is fixed on the movable clamping block, and the other end of each spring is fixed on the limiting strips.
3. A multi-station clamp as claimed in claim 2, wherein gaps are respectively provided between the movable clamping block and the limiting strips at both sides of the movable clamping block, a swing spring is fixed on the movable clamping block, the swing spring is positioned between the movable clamping block and the corresponding lower pressing block, a return hole is provided on the movable clamping block, a return pin is provided on the lower pressing block, and the return pin corresponds to the return hole.
4. A multi-station clamp as claimed in claim 3, wherein the return hole comprises a tapered section and an equal diameter section from top to bottom, and the return pin comprises a tapered section and an equal diameter section from top to bottom.
5. A multi-station jig as claimed in claim 4, wherein the constant diameter portion is inserted into the oscillating spring from an upper end thereof, and the maximum diameter of the tapered section is smaller than the inner diameter of the oscillating spring.
6. A multi-station clamp as claimed in claim 5, wherein the number of the return holes on each movable clamping block is two, the number of the swing springs on each movable clamping block is two, and the number of the return pins on each lower pressing block is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111571886.1A CN114193360B (en) | 2021-12-21 | 2021-12-21 | Multi-station clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111571886.1A CN114193360B (en) | 2021-12-21 | 2021-12-21 | Multi-station clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114193360A true CN114193360A (en) | 2022-03-18 |
| CN114193360B CN114193360B (en) | 2023-12-29 |
Family
ID=80655737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111571886.1A Active CN114193360B (en) | 2021-12-21 | 2021-12-21 | Multi-station clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114193360B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559268A (en) * | 2022-03-21 | 2022-05-31 | 安吉县聚源家具有限公司 | Fixing device and processing assembly of L shape work piece |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201979430U (en) * | 2011-03-23 | 2011-09-21 | 厦门精合电气自动化有限公司 | Multi-station linked tool assembling device |
| CN107900942A (en) * | 2017-12-28 | 2018-04-13 | 重庆互兴科技有限公司 | A kind of disc type clamping device of multistation |
| WO2018072162A1 (en) * | 2016-10-20 | 2018-04-26 | 李长娟 | Easily operable workpiece mounting and positioning apparatus |
| CN208801252U (en) * | 2018-08-29 | 2019-04-30 | 广州市诚涛机械有限公司 | A kind of automobile rear case spring lifting eye fixture |
| CN214722292U (en) * | 2021-05-08 | 2021-11-16 | 东莞市嘉刚机电科技发展有限公司 | Multi-station automatic clamp |
-
2021
- 2021-12-21 CN CN202111571886.1A patent/CN114193360B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201979430U (en) * | 2011-03-23 | 2011-09-21 | 厦门精合电气自动化有限公司 | Multi-station linked tool assembling device |
| WO2018072162A1 (en) * | 2016-10-20 | 2018-04-26 | 李长娟 | Easily operable workpiece mounting and positioning apparatus |
| CN107900942A (en) * | 2017-12-28 | 2018-04-13 | 重庆互兴科技有限公司 | A kind of disc type clamping device of multistation |
| CN208801252U (en) * | 2018-08-29 | 2019-04-30 | 广州市诚涛机械有限公司 | A kind of automobile rear case spring lifting eye fixture |
| CN214722292U (en) * | 2021-05-08 | 2021-11-16 | 东莞市嘉刚机电科技发展有限公司 | Multi-station automatic clamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559268A (en) * | 2022-03-21 | 2022-05-31 | 安吉县聚源家具有限公司 | Fixing device and processing assembly of L shape work piece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114193360B (en) | 2023-12-29 |
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