CN211760467U - Workpiece clamping device for numerical control grinding - Google Patents
Workpiece clamping device for numerical control grinding Download PDFInfo
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- CN211760467U CN211760467U CN201922400304.8U CN201922400304U CN211760467U CN 211760467 U CN211760467 U CN 211760467U CN 201922400304 U CN201922400304 U CN 201922400304U CN 211760467 U CN211760467 U CN 211760467U
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- fixedly connected
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- numerical control
- wedge
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Abstract
The utility model discloses a numerical control is polished and is used work piece clamping device, the on-line screen storage device comprises a base, four supporting legs of bottom fixedly connected with of base, four fixed plates of fixedly connected with on the base, run through on the base and be equipped with rather than rotating two threaded rods of being connected, two be equipped with drive mechanism between the threaded rod, one of them be equipped with power unit, four between the bottom of threaded rod and base all run through on the fixed plate and be equipped with rather than sliding connection's rectangular rod, the relative one end of rectangular rod all is equipped with fixture, four the first wedge of the equal fixedly connected with of one end that the rectangular rod carried on the back mutually, four all be equipped with the second wedge rather than offsetting on the first wedge, four the common fixedly connected with ring in upper end of second wedge. The utility model discloses it is rational in infrastructure, not only can carry out rapid and stable's centre gripping to the piece of polishing, also can carry out the centre gripping to the piece of polishing of different shapes, the practicality is better.
Description
Technical Field
The utility model relates to a polish and use anchor clamps technical field, especially relate to a numerical control is polished and is used work piece clamping device.
Background
Sanding, which is one of surface modification techniques, generally refers to a processing method for changing physical properties of a material surface by friction with the aid of a rough object (sand paper or the like containing particles of relatively high hardness) mainly for the purpose of obtaining a specific surface roughness.
When an object is numerically controlled and polished, the object needs to be stably clamped so as to ensure the accuracy of the polished object when being polished and protect polishing equipment; when polishing, how to realize polishing the quick centre gripping of piece and carry out the centre gripping to different polishing the piece and be the problem that needs to solve urgently, therefore we have designed a numerical control and have polished and use work piece clamping device to solve above problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the numerical control that provides grinds and uses work piece clamping device, and it not only can carry out rapid and stable's centre gripping to the piece of polishing, also can carry out the centre gripping to the piece of polishing of different shapes, and the practicality is better.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a workpiece clamping device for numerical control grinding comprises a base, wherein the bottom of the base is fixedly connected with four supporting legs, four fixed plates are fixedly connected on the base, two threaded rods which are rotatably connected with the base are arranged on the base in a penetrating way, a transmission mechanism is arranged between the two threaded rods, a power mechanism is arranged between one of the threaded rods and the bottom of the base, rectangular rods which are connected with the four fixing plates in a sliding way are arranged on the four fixing plates in a penetrating way, the opposite ends of the rectangular rods are respectively provided with a clamping mechanism, the back ends of the four rectangular rods are respectively fixedly connected with a first wedge-shaped block, the four first wedge-shaped blocks are respectively provided with a second wedge-shaped block which is abutted against the first wedge-shaped blocks, the upper ends of the four second wedge-shaped blocks are jointly and fixedly connected with a circular ring, wherein two the equal fixedly connected with fixed block of the one side that the second wedge was carried on the back mutually, two the threaded rod all runs through the fixed block of homonymy and rather than threaded connection.
Preferably, the transmission mechanism comprises transmission wheels fixed on the outer sides of the two threaded rods, and the two transmission wheels are connected through a transmission belt.
Preferably, the power mechanism comprises a servo motor fixed at the bottom of the base, the output end of the servo motor is fixedly connected with a first gear, a second gear fixedly connected with the threaded rod is sleeved on the threaded rod, and the first gear and the second gear are meshed with each other.
Preferably, reset springs are arranged between the four first wedge-shaped blocks and the fixing plate on the same side, and the reset springs are sleeved on the rectangular rod.
Preferably, fixture is including fixing the connecting plate in rectangular pole one end, run through on the connecting plate and be equipped with rather than threaded connection's adjusting screw, adjusting screw's one end is equipped with rather than the arc of rotating the connection, fixedly connected with gag lever post on the arc, the gag lever post runs through the connecting plate and rather than sliding connection.
Preferably, a bearing penetrates through the base, and the threaded rod penetrates through the inner wall of the bearing and is fixedly connected with the bearing.
Compared with the prior art, the utility model, its beneficial effect does:
1. the utility model discloses, under the combined action through power unit, slewing mechanism, ring, fixed block and second wedge, can realize that four arcs are quick carry out the centre gripping to the piece of polishing, and stability is sufficient, through controlling the distance between four arcs, can carry out the centre gripping to the piece of polishing of equidimension not, the practicality is better.
2. The utility model discloses, when carrying out the centre gripping to anomalous polishing piece, rotate adjusting screw and can realize the removal of arc, and then can adjust the distance between four arcs, so can carry out the four sides centre gripping to anomalous polishing piece, stability is sufficient and the practicality is good.
To sum up, the utility model discloses rational in infrastructure not only can carry out rapid and stable's centre gripping to the piece of polishing, also can carry out the centre gripping to the piece of polishing of different shapes, and the practicality is better.
Drawings
Fig. 1 is a schematic structural view of a workpiece clamping device for numerical control grinding according to the present invention;
fig. 2 is a perspective view of an arc plate in the workpiece clamping device for numerical control grinding according to the present invention;
fig. 3 is a top view of the connection between the ring and the second wedge in the workpiece clamping device for numerically controlled grinding according to the present invention.
In the figure: the device comprises a base 1, a fixing plate 2, a threaded rod 3, a rectangular rod 4, a first wedge-shaped block 5, a connecting plate 6, an arc-shaped plate 7, an adjusting screw rod 8, a limiting rod 9, a ring 10, a driving wheel 11, a driving belt 12, a servo motor 13, a first gear 14, a second gear 15, a supporting leg 16, a second wedge-shaped block 17, a bearing 18, a return spring 19 and a fixing block 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a workpiece clamping device for numerical control grinding comprises a base 1, wherein four supporting legs 16 are fixedly connected to the bottom of the base 1 to support the base 1, so that an installation space can be provided for a servo motor 13, and a workbench is arranged on the base 1; four fixed plates 2 of fixedly connected with on the base 1 run through on the base 1 and be equipped with rather than two threaded rods 3 of rotating being connected, run through on the base 1 and be equipped with bearing 18, threaded rod 3 runs through the inner wall of bearing 18 and rather than fixed connection, more makes things convenient for threaded rod 3 to rotate.
A transmission mechanism is arranged between the two threaded rods 3 and comprises transmission wheels 11 fixed on the outer sides of the two threaded rods 3, and the two transmission wheels 11 are connected through a transmission belt 12, so that the two threaded rods 3 can rotate simultaneously.
A power mechanism is arranged between one of the threaded rods 3 and the bottom of the base 1, the power mechanism comprises a servo motor 13 fixed at the bottom of the base 1, the type of the servo motor 13 is MSME 152G1, and the servo motor is connected with a mains supply, which is the prior art; the output end of the servo motor 13 is fixedly connected with a first gear 14, the threaded rod 3 is sleeved with a second gear 15 fixedly connected with the threaded rod, the first gear 14 and the second gear 15 are meshed with each other, and when the servo motor 13 works, the threaded rod 3 can rotate under the action of the first gear 14 and the second gear 15.
The four fixing plates 2 are respectively provided with a rectangular rod 4 in a penetrating manner, the rectangular rods are connected with the four fixing plates in a sliding manner, one ends of the rectangular rods 4, which are opposite to each other, are respectively provided with a clamping mechanism, each clamping mechanism comprises a connecting plate 6 fixed at one end of each rectangular rod 4, each connecting plate 6 is provided with an adjusting screw 8 in a penetrating manner, the adjusting screw 8 is in threaded connection with the connecting plate, and the other end of each adjusting screw 8 is fixedly connected with a hand; one end of the adjusting screw 8 is provided with an arc-shaped plate 7 which is rotationally connected with the adjusting screw, and the arc-shaped plate 7 and the adjusting screw 8 can be rotationally connected through matched bearings; fixedly connected with gag lever post 9 on the arc 7, gag lever post 9 runs through connecting plate 6 and rather than sliding connection, can be spacing to arc 7, makes it can not rotate, consequently when rotating adjusting screw 8, can realize the removal of arc 7.
The first wedge-shaped blocks 5 are fixedly connected to the opposite ends of the four rectangular rods 4, the reset springs 19 are arranged between the four first wedge-shaped blocks 5 and the fixing plate 2 on the same side, the reset springs 19 are elastic springs, when the first wedge-shaped blocks 5 are not limited any more, the first wedge-shaped blocks 5 and the arc-shaped plate 7 are reset, a polishing part can be taken out conveniently, and the reset springs 19 are sleeved on the rectangular rods 4; the four first wedge blocks 5 are provided with second wedge blocks 17 which are abutted against the first wedge blocks, the upper ends of the four second wedge blocks 17 are fixedly connected with a ring 10 together, one side of each of the two second wedge blocks 17, which is opposite to the other side, is fixedly connected with a fixing block 20, and the two threaded rods 3 penetrate through the fixing blocks 20 on the same side and are in threaded connection with the fixing blocks 20, as shown in fig. 1.
In the utility model, when a round or square polishing piece needs to be clamped, a worker can start the servo motor 13, the servo motor 13 rotates to drive the first gear 14 and the second gear 15 to rotate, the second gear 15 rotates to drive the threaded rod 3 to rotate, under the action of the transmission mechanism, two threaded rods 3 can simultaneously rotate, because four second wedges 17 are fixedly connected together through the circular ring 10, two fixed blocks 20 can not rotate under the limit of the two threaded rods 3, therefore, when the threaded rod 3 rotates, the fixed block 20 can move downwards, and further the four second wedges 17 can simultaneously move downwards and extrude the first wedges 5 at the same side, so that the four first wedges 5 and the four rectangular rods 4 can relatively move, thereby realizing the relative movement of the four clamping mechanisms, and clamping and stable clamping can be carried out on four sides of the polishing piece through the four arc plates 7, the clamping speed is high and the stability is sufficient; by controlling the distance between the four arc plates 7, the polishing pieces with different sizes can be clamped, and the practicability is better.
When carrying out the centre gripping to anomalous polishing piece, the staff can rotate adjusting screw 8 according to actual conditions, because arc 7 can't rotate under the spacing of gag lever post 9, consequently rotate adjusting screw 8 and can realize the removal of arc 7, and then can adjust the distance between four arcs 7, start servo motor 13 can realize arc 7 relative movement, so can carry out the four sides centre gripping to anomalous polishing piece, and stability is sufficient and the practicality is good.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The workpiece clamping device for numerical control grinding comprises a base (1), wherein four supporting legs (16) are fixedly connected to the bottom of the base (1), and the workpiece clamping device is characterized in that four fixing plates (2) are fixedly connected to the base (1), two threaded rods (3) rotatably connected with the base (1) are arranged on the base (1) in a penetrating manner, a transmission mechanism is arranged between the two threaded rods (3), a power mechanism is arranged between one of the threaded rods (3) and the bottom of the base (1), four rectangular rods (4) in sliding connection with the four fixing plates (2) are arranged on the four fixing plates in a penetrating manner, a clamping mechanism is arranged at one opposite ends of the rectangular rods (4), first wedges (5) are fixedly connected to one ends of the four rectangular rods (4) opposite to each other, and second wedges (17) abutted against the first wedges (5) are arranged on the four first wedges (5), four the common fixedly connected with ring (10) in upper end of second wedge (17), wherein two the equal fixedly connected with fixed block (20) of one side that second wedge (17) carried on the back mutually, two threaded rod (3) all run through fixed block (20) of homonymy and rather than threaded connection.
2. A workpiece-holding device for numerical control grinding according to claim 1, characterised in that the transmission means comprise transmission wheels (11) fixed on the outside of the two threaded rods (3), the two transmission wheels (11) being connected by a transmission belt (12).
3. A workpiece clamping device for numerical control grinding according to claim 1, characterized in that the power mechanism comprises a servo motor (13) fixed at the bottom of the base (1), the output end of the servo motor (13) is fixedly connected with a first gear (14), the threaded rod (3) is sleeved with a second gear (15) fixedly connected with the threaded rod, and the first gear (14) and the second gear (15) are meshed with each other.
4. The workpiece clamping device for numerical control grinding according to claim 1, characterized in that a return spring (19) is arranged between each of the four first wedge blocks (5) and the fixing plate (2) on the same side, and the return springs (19) are sleeved on the rectangular rod (4).
5. A workpiece clamping device for numerical control grinding according to claim 1, characterized in that the clamping mechanism comprises a connecting plate (6) fixed at one end of a rectangular rod (4), an adjusting screw (8) in threaded connection with the connecting plate (6) is arranged on the connecting plate (6) in a penetrating manner, an arc-shaped plate (7) in rotary connection with the adjusting screw (8) is arranged at one end of the adjusting screw (8), a limiting rod (9) is fixedly connected to the arc-shaped plate (7), and the limiting rod (9) penetrates through the connecting plate (6) and is in sliding connection with the connecting plate.
6. A workpiece holding device for numerical control grinding according to claim 1, characterized in that a bearing (18) is arranged on the base (1) in a penetrating manner, and the threaded rod (3) penetrates through the inner wall of the bearing (18) and is fixedly connected with the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922400304.8U CN211760467U (en) | 2019-12-27 | 2019-12-27 | Workpiece clamping device for numerical control grinding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922400304.8U CN211760467U (en) | 2019-12-27 | 2019-12-27 | Workpiece clamping device for numerical control grinding |
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| Publication Number | Publication Date |
|---|---|
| CN211760467U true CN211760467U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922400304.8U Active CN211760467U (en) | 2019-12-27 | 2019-12-27 | Workpiece clamping device for numerical control grinding |
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| CN (1) | CN211760467U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112930766A (en) * | 2021-02-02 | 2021-06-11 | 张许东 | Desert environmental protection is administered with automatic auxiliary assembly who digs automatic watering of hole kind tree |
-
2019
- 2019-12-27 CN CN201922400304.8U patent/CN211760467U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112930766A (en) * | 2021-02-02 | 2021-06-11 | 张许东 | Desert environmental protection is administered with automatic auxiliary assembly who digs automatic watering of hole kind tree |
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