CN209831326U - Bar clamp - Google Patents
Bar clamp Download PDFInfo
- Publication number
- CN209831326U CN209831326U CN201920406695.1U CN201920406695U CN209831326U CN 209831326 U CN209831326 U CN 209831326U CN 201920406695 U CN201920406695 U CN 201920406695U CN 209831326 U CN209831326 U CN 209831326U
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- bar
- slot
- cylinder
- positioning block
- plate
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Abstract
The utility model belongs to the technical field of bar anchor clamps, a bar anchor clamps is related to. The fixed plate is connected to the mount pad, and the driving piece can drive the sliding seat and remove, makes the movable seat movably install in the fixed plate, and then makes the piece that compresses tightly that is fixed in the sliding seat switch between centre gripping position and separation position. When the pressing piece is located at the clamping position, the pressing piece clamps the bar in the V-shaped groove of the positioning block. When the pressing piece is located at the separation position, the bar can be taken out of the V-shaped groove or placed in the V-shaped groove. The bar clamp is easy to clamp and loosen a bar, convenient to operate and high in efficiency.
Description
Technical Field
The utility model belongs to the technical field of bar anchor clamps, more specifically say, relate to a bar anchor clamps.
Background
At present, cylindrical bars such as drill bits and the like need to be ground, the bars are usually clamped by clamps, and the clamps are manually operated to clamp and loosen the bars. To the grinding of batch bar, every bar all adopts manual operation to come the centre gripping and loosen the bar, troublesome poeration, and manual work intensity is big, and artifical inefficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bar anchor clamps to solve prior art manual operation anchor clamps and come the centre gripping and loosen the bar and arouse troublesome poeration's technical problem.
An embodiment of the utility model provides a bar anchor clamps, include:
a mounting seat;
the positioning block is arranged on the mounting seat and is provided with a V-shaped groove for positioning the bar;
a fixing plate connected to the mounting base;
the movable seat is movably arranged on the fixed plate;
the pressing piece is fixed on the movable seat and provided with a clamping position which is aligned with the V-shaped groove so that the bar is clamped at the V-shaped groove and a separating position which is separated from the V-shaped groove; and
and the driving piece is used for driving the movable seat to move so as to switch the pressing piece between the clamping position and the separating position.
Optionally, the fixed plate is provided with a rotating shaft, the movable seat is provided with a guide groove, the rotating shaft penetrates through the guide groove to enable the movable seat to be movably installed on the fixed plate, the rotating shaft is aligned to the end portion of the positioning block close to the guide groove, the pressing piece is located in the clamping position, and the rotating shaft is aligned to the end portion of the positioning block far away from the guide groove, the pressing piece is located in the separation position.
Optionally, the guide slot includes a transverse through slot and an inclined through slot extending from one end of the transverse through slot, the inclined through slot is disposed close to the positioning block, the transverse through slot is disposed far away from the positioning block, and a terminal of the inclined through slot is higher than the transverse through slot.
Optionally, the movable seat includes a top plate and two side plates connected to the top plate, and the guide groove is located on the side plates; the fixed plate is located two between the curb plate, the pivot passes in two the guide way of curb plate, the pivot stretch out in the tip of curb plate is equipped with the snap ring.
Optionally, the driving member is an air cylinder, a cylinder body of the air cylinder is pivoted to the fixed plate, and a piston rod of the air cylinder is pivoted to the movable seat.
Optionally, the fixed plate is connected with an installation plate, the installation plate is pivoted with a support plate, and a cylinder body of the cylinder is installed on the support plate;
and/or the movable seat is pivoted with a cylinder head, and a piston rod of the cylinder is fixed on the cylinder head.
Optionally, the device further comprises a support installed on the installation seat, and a sensor installed on the support and used for detecting whether the V-shaped groove has a bar material.
Optionally, the positioning device further comprises an adjusting assembly for adjusting the position of the positioning block, and a locking assembly for fixing the positioning block to the mounting seat.
Optionally, the adjusting assembly includes an adjusting seat fixed to the mounting seat, the adjusting seat is provided with a horizontal groove and a vertical groove communicated with the horizontal groove, the adjusting assembly further includes a first knock pin installed in the horizontal groove and a second knock pin installed in the vertical groove, the tail end of the first knock pin and the tail end of the second knock pin are both in a conical shape and are in abutting fit, and the top end of the second knock pin is abutted against the positioning block.
Optionally, the mounting seat is provided with a shaped hole, the positioning block is provided with a through hole, the locking assembly comprises a pressing cylinder, a screw and a nut piece, the pressing cylinder comprises a shaped surface section matched with the shaped hole and a limiting part connected to one end of the shaped surface section, the shaped surface section sequentially penetrates through the through hole and the shaped hole, and the limiting part abuts against the positioning block; the nut piece is arranged on one side, deviating from the positioning block, of the mounting seat, and the screw penetrates through the pressing cylinder and is in threaded connection with the nut piece so that the positioning block is fixed on the mounting seat.
The utility model provides an above-mentioned one or more technical scheme in the bar anchor clamps have one of following technological effect at least: the fixed plate is connected to the mount pad, and the driving piece can drive the sliding seat and remove, makes the movable seat movably install in the fixed plate, and then makes the piece that compresses tightly that is fixed in the sliding seat switch between centre gripping position and separation position. When the pressing piece is located at the clamping position, the pressing piece clamps the bar in the V-shaped groove of the positioning block. When the pressing piece is located at the separation position, the bar can be taken out of the V-shaped groove or placed in the V-shaped groove. The bar clamp is easy to clamp and loosen a bar, convenient to operate and high in efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a perspective assembly view of a bar clamp according to an embodiment of the present invention, wherein a pressing member is at a clamping position;
FIG. 2 is another angular perspective assembly view of the bar clamp of FIG. 1;
FIG. 3 is an exploded perspective view of the bar clamp of FIG. 2;
FIG. 4 is a further exploded perspective view of the bar clamp of FIG. 3.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings only for the convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the embodiments of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 4, an embodiment of the present invention provides a bar clamp 200 for fixing a bar for a grinding wheel (not shown) to perform a grinding process. The bar clamp 200 is suitable for fixing a drill bit or other cylindrical bars, and is particularly suitable for fixing a PCB micro drill bit for grinding. The bar clamp 200 comprises a mounting seat 210, a positioning block 220, a fixing plate 230, a movable seat 240, a pressing member 250 and a driving member 260. The positioning block 220 is mounted on the mounting seat 210, and the positioning block 220 is provided with a V-shaped groove 221 for positioning a bar; the fixing plate 230 is connected to the mounting base 210; the movable base 240 is movably mounted to the fixed plate 230; the pressing piece 250 is fixed on the movable seat 240, and the pressing piece 250 is provided with a clamping position which is aligned with the V-shaped groove 221 so that the bar is clamped at the V-shaped groove 221 and a separation position which is separated from the V-shaped groove 221; the driving member 260 is used for driving the movable seat 240 to move so as to switch the pressing member 250 between the clamping position and the separating position.
The fixed plate 230 is connected to the mounting base 210, and the driving member 260 can drive the movable base 240 to move, so that the movable base 240 can be movably mounted on the fixed plate 230, and the pressing member 250 fixed to the movable base 240 can be switched between the clamping position and the separating position. When the pressing member 250 is in the clamping position, the pressing member 250 clamps the bar to the V-shaped groove 221 of the positioning block 220. When the hold down 250 is in the disengaged position, the bar can be removed from the V-groove 221 or placed in the V-groove 221. The bar clamp 200 is easy to clamp and loosen a bar, convenient to operate and high in efficiency.
In another embodiment of the present invention, the fixing plate 230 is provided with a rotating shaft 231, the movable seat 240 has a guiding groove 243, the rotating shaft 231 penetrates through the guiding groove 243 to movably mount the movable seat 240 on the fixing plate 230, the pressing member 250 is located at the clamping position when the rotating shaft 231 is aligned to the guiding groove 243 and close to the end portion of the positioning block 220, and the pressing member 250 is located at the separating position when the rotating shaft 231 is aligned to the end portion of the positioning block 220 and away from the guiding groove 243. The structure is easy to manufacture and assemble. The rotating shaft 231 and the guide groove 243 cooperate to define the moving track of the movable seat 240, so as to switch the pressing member 250 between the clamping position and the separating position. Specifically, the rotating shaft 231 penetrates through the fixing plate 230, and is easy to assemble.
In another embodiment of the present invention, the guide groove 243 includes a transverse through groove 2431 and an inclined through groove 2432 extending from one end of the transverse through groove 2431, the inclined through groove 2432 is disposed near the positioning block 220, the transverse through groove 2431 is disposed far from the positioning block 220, and the end of the inclined through groove 2432 is higher than the transverse through groove 2431. When the rotating shaft 231 is aligned with the end of the transverse through groove 2431 during the movement of the movable seat 240, the pressing member 250 is aligned with the V-shaped groove 221 of the positioning block 220 and reliably clamps the bar in the V-shaped groove 221. When the rotating shaft 231 is aligned with the end of the inclined through groove 2432, the pressing member 250 is separated from the V-shaped groove 221 and moved to a lower position, and the bar can be taken out of the V-shaped groove 221 or placed in the V-shaped groove 221.
In another embodiment of the present invention, the movable seat 240 includes a top plate 241 and two side plates 242 connected to the top plate 241, and the guide groove 243 is located on the side plates 242; the fixing plate 230 is located between the two side plates 242, the rotating shaft 231 passes through the guide grooves 243 of the two side plates 242, and the end of the rotating shaft 231 extending out of the side plates 242 is provided with a snap ring 2311. This structure is easy to assemble, and allows the movable base 240 to be stably movably mounted to the fixed plate 230. The snap ring 2311 is clamped at the end of the rotating shaft 231 to prevent the rotating shaft 231 from separating from the fixing plate 230.
In another embodiment of the present invention, two guiding grooves 243 are disposed at an interval on each side plate 242, and two rotating shafts 231 are disposed on the fixing plate 230 and correspondingly disposed on the guiding grooves 243 of the side plates 242, so that the movable seat 240 can move on the fixing plate 230 more stably, and the movable seat 240 can be pressed down more reliably to clamp the rod 250 reliably.
In another embodiment of the present invention, the driving member 260 is a cylinder, the body of the cylinder is pivotally connected to the fixing plate 230, and the piston rod 261 of the cylinder is pivotally connected to the movable base 240. The scheme is easy to control, and the cylinder piston rod 261 can move to drive the movable seat 240 to move. When the piston rod 261 is extended, the movable seat 240 makes the pressing member 250 in the clamping position. When the piston rod 261 is retracted, the movable seat 240 causes the pressing member 250 to be in the release position.
In another embodiment of the present invention, the fixing plate 230 is connected to a mounting plate 232, the mounting plate 232 is pivotally connected to a support plate 263, and the cylinder body of the cylinder is mounted on the support plate 263. This structure facilitates the assembly of the cylinder to the fixing plate 230.
In another embodiment of the present invention, the movable base 240 is pivotally connected to a cylinder head 262, and a piston rod 261 of the cylinder is fixed to the cylinder head 262. This structure facilitates the attachment of the cylinder to the movable base 240.
In another embodiment of the present invention, the device further comprises a support 271 installed on the mounting base 210, and a sensor 272 installed on the support 271 and used for detecting whether there is a bar in the V-shaped groove 221. The scheme is used for detecting whether the V-shaped groove 221 has a bar, and after the bar is detected, the grinding wheel is ready to be started for grinding.
In another embodiment of the present invention, the positioning device further comprises an adjusting assembly 280 for adjusting the position of the positioning block 220, and a locking assembly 290 for fixing the positioning block 220 to the mounting seat 210. The adjustment assembly 280 finely adjusts the vertical position of the locating block 220, and then the locking assembly 290 secures the locating block 220 to the mounting block 210.
In another embodiment of the present invention, the adjusting assembly 280 includes an adjusting seat 281 fixed on the mounting seat 210, the adjusting seat 281 has a horizontal slot 2811 and a vertical slot 2812 communicated with the horizontal slot 2811, the adjusting assembly 280 further includes a first pin 282 installed in the horizontal slot 2811 and a second pin 283 installed in the vertical slot 2812, the end of the first pin 282 and the end of the second pin 283 are both conical and press-fitted, and the top end of the second pin 283 presses against the positioning block 220. When the locking assembly 290 is loosened, the first pin 282 is screwed to move in and out of the horizontal slot 2811, the end of the first pin 282 presses against the end of the second pin 283, the second pin 283 moves up and down under the action of gravity, and the second pin 283 presses against the bottom surface of the positioning block 220, thereby adjusting the up-and-down position of the positioning block 220. The first knock pin 282 is pressed by a screw 284 to lock the position of the first knock pin 282.
In another embodiment of the present invention, the mounting base 210 has a shaped hole 211, the positioning block 220 has a through hole 222, the locking assembly 290 includes a pressing cylinder 291, a screw (not shown) and a nut 292, the pressing cylinder 291 includes a molded section 2911 adapted to the shaped hole 211 and a limiting portion 2912 connected to one end of the molded section 2911, the molded section 2911 sequentially penetrates through the through hole 222 and the shaped hole 211, and the limiting portion 2912 abuts against the positioning block 220; the nut sheet 292 is disposed on a side of the mounting seat 210 away from the positioning block 220, and a screw passes through the pressing cylinder 291 and is screwed to the nut sheet 292 to fix the positioning block 220 to the mounting seat 210. According to the scheme, the pressing cylinder 291 and the positioning block 220 can be fixed on the mounting seat 210, and the pressing cylinder and the positioning block can be screwed by screws, so that the operation is easy. The profile segment 2911 fits into the hole 211, so that the pressing cylinder 291 can only move up and down but can not rotate.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Bar anchor clamps, its characterized in that includes:
a mounting seat;
the positioning block is arranged on the mounting seat and is provided with a V-shaped groove for positioning the bar;
a fixing plate connected to the mounting base;
the movable seat is movably arranged on the fixed plate;
the pressing piece is fixed on the movable seat and provided with a clamping position which is aligned with the V-shaped groove so that the bar is clamped at the V-shaped groove and a separating position which is separated from the V-shaped groove; and
and the driving piece is used for driving the movable seat to move so as to switch the pressing piece between the clamping position and the separating position.
2. The bar clamp of claim 1, wherein the fixed plate has a pivot shaft, the movable seat has a guide slot, the pivot shaft is disposed through the guide slot to allow the movable seat to be movably mounted to the fixed plate, the clamp member is in the clamping position when the pivot shaft is aligned with the guide slot near the end of the positioning block, and the clamp member is in the disengagement position when the pivot shaft is aligned with the guide slot far from the end of the positioning block.
3. The bar clamp of claim 2, wherein the guide slot comprises a transverse through slot and an inclined through slot extending from one end of the transverse through slot, the inclined through slot being located adjacent to the locating block, the transverse through slot being located remote from the locating block, the inclined through slot having a distal end higher than the transverse through slot.
4. The bar clamp of claim 2, wherein the movable seat includes a top plate and two side plates connected to the top plate, the guide slot being located in the side plates; the fixed plate is located two between the curb plate, the pivot passes in two the guide way of curb plate, the pivot stretch out in the tip of curb plate is equipped with the snap ring.
5. A bar clamp as in claim 1, wherein the actuating member is a cylinder, the cylinder body of the cylinder being pivotally connected to the fixed plate, and the piston rod of the cylinder being pivotally connected to the movable seat.
6. A bar clamp as in claim 5, wherein a mounting plate is attached to the fixed plate, the mounting plate pivotally connected to a support plate, the cylinder body of the cylinder being mounted to the support plate;
and/or the movable seat is pivoted with a cylinder head, and a piston rod of the cylinder is fixed on the cylinder head.
7. A bar clamp as claimed in any one of claims 1 to 6, further comprising a support mounted to the mounting block, and a sensor mounted to the support for detecting the presence of bar in the V-groove.
8. A bar clamp as claimed in any one of claims 1 to 6, further comprising an adjustment assembly for adjusting the position of the locating block, and a locking assembly for securing the locating block to the mounting block.
9. The bar clamp of claim 8, wherein the adjustment assembly comprises an adjustment base fixed to the mounting base, the adjustment base defines a horizontal slot and a vertical slot communicating with the horizontal slot, the adjustment assembly further comprises a first knock pin mounted to the horizontal slot and a second knock pin mounted to the vertical slot, ends of the first knock pin and the second knock pin are both conical and press-fit, and a top end of the second knock pin presses against the positioning block.
10. The bar clamp of claim 8, wherein the mounting seat defines a bore, the positioning block defines a bore, the locking assembly includes a pressing cylinder, a screw, and a nut piece, the pressing cylinder includes a profile section adapted to the bore, and a limiting portion connected to one end of the profile section, the profile section sequentially penetrates through the bore and the bore, and the limiting portion abuts against the positioning block; the nut piece is arranged on one side, deviating from the positioning block, of the mounting seat, and the screw penetrates through the pressing cylinder and is in threaded connection with the nut piece so that the positioning block is fixed on the mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920406695.1U CN209831326U (en) | 2019-03-28 | 2019-03-28 | Bar clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920406695.1U CN209831326U (en) | 2019-03-28 | 2019-03-28 | Bar clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209831326U true CN209831326U (en) | 2019-12-24 |
Family
ID=68908689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920406695.1U Active CN209831326U (en) | 2019-03-28 | 2019-03-28 | Bar clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209831326U (en) |
-
2019
- 2019-03-28 CN CN201920406695.1U patent/CN209831326U/en active Active
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