CN212552841U - Fixture for milling machine - Google Patents
Fixture for milling machine Download PDFInfo
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- CN212552841U CN212552841U CN202021394411.0U CN202021394411U CN212552841U CN 212552841 U CN212552841 U CN 212552841U CN 202021394411 U CN202021394411 U CN 202021394411U CN 212552841 U CN212552841 U CN 212552841U
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- milling machine
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Abstract
The utility model provides a fixture for milling machine, the front plate is fixedly installed on the base, the back plate is slidably mounted on the base, the lead screw is connected with the back plate shaft through one end of the separating fastening device, the other end is connected with the hand wheel, the separating fastening plate is mounted on the base, the top of the separating fastening plate is provided with a chute, a pressure bar is arranged in the chute, a limit hole is arranged on the pressure bar, a compression spring and a limit pin are arranged in the limit hole, the vertical bar of the pressure bar is hinged with a transmission bar, a transmission groove, a driven hole, a through hole and a reset hole are arranged in the separating fastening plate, the driven bar is hinged with the transmission bar and connected with a thread sleeve, and the driven; the screw rod is matched with the clamping plate to fasten and clamp the machined workpiece, so that convenience and rapidness are realized; the separated fastening device is adopted, so that the workpiece can be quickly clamped and disassembled, and the working efficiency is improved; the combined thread bush is adopted, so that the limitation on the screw rod is conveniently removed, the disassembly of the workpiece is accelerated, the time is saved, and the efficiency is improved.
Description
Technical Field
The utility model relates to a milling machine fixture technical field specifically is an anchor clamps for milling machine.
Background
The milling machine fixture is mainly used for processing planes, grooves, splines and various forming surfaces on parts, and is one of the most commonly used fixtures. Mainly comprises a positioning device, a clamping device, a clamp body, a connecting element and a tool setting element. During milling, the cutting force is large, the cutting is interrupted, and the vibration is large, so that the clamping force requirement of the milling machine clamp is large, and the requirements on the rigidity and the strength of the clamp are high.
The existing milling machine fixture is largely used in mechanical processing, the existing milling machine fixture cannot clamp a workpiece firmly enough, so that the clamping effect is poor, and the milling quality of the workpiece and the safety of operators are influenced in the milling process; the clamping and the disassembly of the workpiece need a lot of time, which affects the processing efficiency and brings economic loss.
SUMMERY OF THE UTILITY MODEL
In view of the problem that exists among the prior art, the utility model provides an anchor clamps for milling machine to solve anchor clamps and press from both sides the fastening insecure to the work piece, the work piece clamping needs a large amount of time, influences work efficiency's problem.
The technical scheme is that the device comprises a base, a front clamp plate, a rear clamp plate, a separating fastening device, a lead screw and a hand wheel, wherein the front clamp plate is fixedly arranged on the base, the rear clamp plate is slidably arranged on the base, the lead screw is connected with the rear clamp plate through one end of the separating fastening device, the other end of the lead screw is connected with the hand wheel, the separating fastening device comprises a separating fastening plate, a pressure rod, a limiting pin, a compression spring, a transmission rod, a reset spring, a driven rod and a threaded sleeve, the separating fastening plate is arranged on the base, a sliding groove is formed in the top of the separating fastening plate, the pressure rod is arranged in the sliding groove and is a T-shaped rod and comprises a transverse rod and a vertical rod, a limiting hole is formed in the vertical rod of the pressure rod, and the compression spring and the limiting pin are sequentially arranged in the limiting hole, the montant of depression bar with the transfer line is articulated, it supplies to have seted up in the disconnect-type mounting plate the gliding transmission groove of transfer line, the one end of driven lever with the transfer line is articulated, the other end with the thread bush is connected, the confession has been seted up in the disconnect-type mounting plate the gliding driven hole of driven lever supplies the gliding through-hole of thread bush, the cover is equipped with reset spring on the driven lever, the installation has been seted up in the disconnect-type mounting plate reset hole of reset spring, the thread bush includes left thread bush and right thread bush, left side thread bush with right thread bush zonulae occludens.
As an optimal technical scheme of the utility model, the left-hand thread cover is provided with the lug, the right-hand thread is sheathe in be provided with the lug matched with recess of left-hand thread cover.
As an optimal technical scheme of the utility model, left side thread bush with be provided with the fastening pad between the right side thread bush, the fastening pad is the rubber material.
As a preferred technical scheme of the utility model, the reset hole diameter is greater than driven hole, one end with the through-hole intercommunication, the other end with reset spring connects.
As an optimized technical scheme of the utility model, the screw thread on the thread bush with the lead screw phase-match.
As an optimized technical scheme of the utility model, the through-hole is waist type through-hole.
As the utility model discloses a preferred technical scheme, be provided with on the base and be used for fixing the fixed slot on the milling machine workstation, the bottom is provided with the antivrbration pad, the antivrbration pad is the rubber material.
As an optimal technical scheme of the utility model, the front splint with be provided with the arch on the back splint, the arch is triangle-shaped.
The utility model has the advantages that: in the utility model, the matching of the lead screw and the clamping plate is adopted to fasten and clamp the processing workpiece, which is convenient and fast; the separated fastening device is adopted, so that the workpiece can be quickly clamped and disassembled, and the working efficiency is improved; the combined thread bush is adopted, so that the limitation on the screw rod is conveniently removed, the disassembly of the workpiece is accelerated, the time is saved, and the efficiency is improved.
Furthermore, the combined threaded sleeve is provided with a convex block and a groove, so that the threaded sleeve is convenient to position, the threaded sleeve is prevented from deviating in the combining process, and the threaded sleeve is matched with the lead screw mistakenly.
Furthermore, a vibration-proof pad is arranged, so that the influence on the processing quality caused by the vibration of a workpiece in milling is reduced; set up protrudingly, improve the clamp force to the work piece, avoid the work piece skew to appear in the course of working.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the breakaway fastener of the present invention;
fig. 3 is a sectional view of the separable fastening plate of the present invention;
fig. 4 is a schematic view of the structure of the threaded sleeve of the present invention.
In the figure: the device comprises a base 1, a front clamp plate 2, a rear clamp plate 3, a split fastening device 4, a lead screw 5, a hand wheel 6, a split fastening plate 41, a compression bar 42, a limiting pin 43, a compression spring 44, a transmission rod 45, a return spring 46, a driven rod 47, a threaded sleeve 48, a sliding groove 411, a through hole 412, a transmission groove 413, a driven hole 414, a return hole 415, a left threaded sleeve 481, a left threaded sleeve 482 and a right threaded sleeve.
Detailed Description
The technical solution of the present invention will be described in detail by the following specific examples.
As shown in fig. 1 to 4, the clamping device comprises a base 1, a front plate 2, a rear plate 3, a separated fastening device 4, a lead screw 5 and a hand wheel 6, wherein the front plate 2 is fixedly mounted on the base 1, the rear plate 3 is slidably mounted on the base 1, one end of the lead screw 5 is connected with the shaft of the rear plate 3 through the separated fastening device 4, the other end of the lead screw is connected with the hand wheel 6, the separated fastening device 4 comprises a separated fastening plate 41, a pressure bar 42, a limiting pin 43, a compression spring 44, a transmission rod 45, a return spring 46, a driven rod 47 and a threaded sleeve 48, the separated fastening plate 41 is mounted on the base 1, a chute 411 is formed in the top of the separated fastening plate 41, the pressure bar 42 is arranged in the chute 411, the pressure bar 42 is a T-shaped bar and comprises a cross bar and a vertical bar, a limiting hole is formed in the vertical bar of the, the limiting hole is outwards installed along the interior compression spring 44 with the spacer pin 43 in proper order, the montant of depression bar 42 with the transfer line 45 is articulated, it supplies to have seted up in the disconnect-type mounting plate 41 the gliding transmission groove 413 of transfer line 45, the one end of driven lever 47 with the transfer line 45 is articulated, the other end with thread bush 48 is connected, set up the confession in the disconnect-type mounting plate 41 the gliding driven hole 414 of driven lever 47 supplies the gliding through-hole 412 of thread bush 48, the cover is equipped with on the driven lever 47 reset spring 46, set up the installation in the disconnect-type mounting plate 41 reset hole 415 of reset spring 46, thread bush 48 includes left thread bush 481 and right thread bush 482, left thread bush 481 with right thread bush zonulae occludens 482.
In this embodiment, the left thread bush 481 is provided with a protrusion, and the right thread bush 482 is provided with a groove matched with the protrusion of the left thread bush 481.
In this embodiment, a fastening pad is disposed between the left thread bush 481 and the right thread bush 482, and the fastening pad is made of rubber.
In this embodiment, the diameter of the reset hole 415 is larger than that of the driven hole 414, one end of the reset hole communicates with the through hole 412, and the other end of the reset hole is connected to the reset spring 46.
In this embodiment, the thread on the thread bush 48 matches with the lead screw 5.
In this embodiment, the through hole 412 is a waist-shaped through hole.
In this embodiment, the base 1 is provided with a fixing groove for fixing on a milling machine table, and the bottom of the base is provided with a vibration-proof pad, wherein the vibration-proof pad is made of rubber.
In this embodiment, the front splint 2 and the rear splint 3 are provided with protrusions, and the protrusions are triangular.
The utility model discloses a theory of operation: when a workpiece is disassembled, the limiting pin 43 is pressed, the limiting pin 43 moves towards a limiting hole of the pressing rod 42, the compression spring 44 is compressed, when the limiting pin 43 is completely pressed into the limiting hole of the pressing rod 42, the pressing rod 42 is pressed downwards, the pressing rod 42 slides downwards in the sliding groove 411 to drive the transmission rod 45 to move towards two sides, the transmission rod 45 slides in the transmission groove 413 to drive the driven rod 47 to slide towards two sides, the driven rod 47 slides in the driven hole, the reset spring 46 is compressed in the reset hole 415 to drive the threaded sleeve 48 to move towards two sides in the through hole 412, the convex block of the left threaded sleeve 481 slides out of the groove of the right threaded sleeve 482, at the moment, the limitation on the screw rod 5 is removed, the hand wheel 6 is pulled backwards to drive the rear clamping plate 3 to move backwards, the limitation on the workpiece is removed, and the machined workpiece can be taken out.
When a workpiece is clamped, the workpiece to be machined is placed between the front clamping plate 2 and the rear clamping plate 3, the hand wheel 6 is pushed forwards to drive the screw rod 5 and the rear clamping plate 3 to move forwards, the workpiece to be machined is pre-clamped firstly, the pressing rod 42 is pulled upwards, when the limiting pin 43 is popped out from the limiting hole of the pressing rod 42 under the action of the elastic force of the compression spring 44, the left threaded sleeve 481 and the threaded sleeve 482 are tightly attached to be in threaded engagement with the screw rod 5, the hand wheel 6 is rotated clockwise to drive the screw rod 5 to rotate in the threaded sleeve 48, the rear clamping plate 3 is driven to move forwards on the base 1, and the workpiece to be machined is completely clamped.
Components not described in detail herein are prior art.
Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge range of those skilled in the art, and modifications or variations without creative efforts are still within the scope of the present invention.
Claims (8)
1. A clamp for a milling machine is characterized in that: comprises a base (1), a front splint (2), a rear splint (3), a separating fastening device (4), a lead screw (5) and a hand wheel (6), wherein the front splint (2) is fixedly arranged on the base (1), the rear splint (3) is slidably arranged on the base (1), the lead screw (5) is connected with the rear splint (3) through one end of the separating fastening device (4) and the other end of the separating fastening device is connected with the hand wheel (6), the separating fastening device (4) comprises a separating fastening plate (41), a pressure rod (42), a limit pin (43), a compression spring (44), a transmission rod (45), a reset spring (46), a driven rod (47) and a thread sleeve (48), the separating fastening plate (41) is arranged on the base (1), the top of the separating fastening plate (41) is provided with a chute (411), the pressing rod (42) is arranged in the sliding groove (411), the pressing rod (42) is a T-shaped rod and comprises a cross rod and a vertical rod, a limiting hole is formed in the vertical rod of the pressing rod (42), the limiting hole is internally and externally sequentially provided with the compression spring (44) and the limiting pin (43), the vertical rod of the pressing rod (42) is hinged to the transmission rod (45), a transmission groove (413) for the transmission rod (45) to slide is formed in the separated fastening plate (41), one end of the driven rod (47) is hinged to the transmission rod (45), the other end of the driven rod is connected with the threaded sleeve (48), a driven hole (414) for the driven rod (47) to slide is formed in the separated fastening plate (41), the threaded sleeve (48) is provided with a sliding through hole (412), the driven rod (47) is sleeved with the reset spring (46), a reset hole (415) for installing the reset spring (46) is formed in the split fastening plate (41), the threaded sleeve (48) comprises a left threaded sleeve (481) and a right threaded sleeve (482), and the left threaded sleeve (481) is tightly connected with the right threaded sleeve (482).
2. A jig for a milling machine according to claim 1, wherein: the left thread sleeve (481) is provided with a convex block, and the right thread sleeve (482) is provided with a groove matched with the convex block of the left thread sleeve (481).
3. A jig for a milling machine according to claim 1, wherein: and a fastening pad is arranged between the left thread sleeve (481) and the right thread sleeve (482), and is made of rubber.
4. A jig for a milling machine according to claim 1, wherein: the diameter of the reset hole (415) is larger than that of the driven hole (414), one end of the reset hole is communicated with the through hole (412), and the other end of the reset hole is connected with the reset spring (46).
5. A jig for a milling machine according to claim 1, wherein: the thread on the thread sleeve (48) is matched with the screw rod (5).
6. A jig for a milling machine according to claim 1, wherein: the through hole (412) is a waist-shaped through hole.
7. A jig for a milling machine according to claim 1, wherein: the base (1) is provided with a fixing groove for fixing on a milling machine workbench, the bottom of the base is provided with a shockproof pad, and the shockproof pad is made of rubber.
8. A jig for a milling machine according to claim 1, wherein: the front clamping plate (2) and the rear clamping plate (3) are provided with bulges, and the bulges are triangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021394411.0U CN212552841U (en) | 2020-07-15 | 2020-07-15 | Fixture for milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021394411.0U CN212552841U (en) | 2020-07-15 | 2020-07-15 | Fixture for milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212552841U true CN212552841U (en) | 2021-02-19 |
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ID=74620415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021394411.0U Active CN212552841U (en) | 2020-07-15 | 2020-07-15 | Fixture for milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212552841U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246021A (en) * | 2021-05-17 | 2021-08-13 | 彩虹（合肥）液晶玻璃有限公司 | Grinding production control device |
| CN113458492A (en) * | 2021-06-30 | 2021-10-01 | 福建省华裕天恒科技有限公司 | Neodymium iron boron waste recycling is with section device |
-
2020
- 2020-07-15 CN CN202021394411.0U patent/CN212552841U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246021A (en) * | 2021-05-17 | 2021-08-13 | 彩虹（合肥）液晶玻璃有限公司 | Grinding production control device |
| CN113458492A (en) * | 2021-06-30 | 2021-10-01 | 福建省华裕天恒科技有限公司 | Neodymium iron boron waste recycling is with section device |
| CN113458492B (en) * | 2021-06-30 | 2023-11-17 | 福建省华裕天恒科技有限公司 | Slicing device for recycling neodymium iron boron waste |
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