CN217452247U - Self-centering clamp for drilling machine - Google Patents
Self-centering clamp for drilling machine Download PDFInfo
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- CN217452247U CN217452247U CN202220271872.1U CN202220271872U CN217452247U CN 217452247 U CN217452247 U CN 217452247U CN 202220271872 U CN202220271872 U CN 202220271872U CN 217452247 U CN217452247 U CN 217452247U
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- sliding block
- clamping seat
- clamp
- self
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Abstract
The utility model discloses a from centering fixture for drilling machine belongs to machining positioning fixture technical field, the utility model discloses a slide and be provided with the sliding block through sliding in the installation cavity of anchor clamps body, slide respectively on the anchor clamps body and be provided with first grip slipper and second grip slipper, first grip slipper and sliding block fixed connection, second grip slipper is connected with the sliding block transmission, one side of anchor clamps body is provided with the driving piece of being connected with the sliding block rotation for the driving piece promotes the sliding block to remove, and then sliding block drive second grip slipper and first grip slipper are close to relatively with the centre gripping work piece; the positioning assembly for workpiece positioning is arranged between the first clamping seat and the second clamping seat in a sliding mode, the positioning cylinder is telescopic, the height is adjusted, the height is required when the workpiece is clamped in an adaptive mode, the positioning cylinder is screwed on the support after the height of the positioning cylinder is adjusted through threaded connection with the locking piece, the workpiece clamping precision is improved, the mechanism is ingenious in design, and the applicability is high.
Description
Technical Field
The utility model relates to a machining positioning fixture technical field, in particular to from centering anchor clamps for drilling machine.
Background
In order to meet the process requirements of some workpieces a during the machining process, the workpieces a need to be drilled, as shown in fig. 1.
In the drilling process, a vise is a common tool fixture, and generally comprises a base b and two jaws c, wherein one jaw c is fixed on the base b, and the other jaw c freely slides on the base b. When the workpiece a is clamped, the workpiece a is positioned between the movable clamping jaw c and the fixed clamping jaw c, and the movable clamping jaw c moves towards the fixed clamping jaw c, so that two sides of the workpiece a are tightly attached to the fixed clamping jaw c and the movable clamping jaw c respectively.
In the process of clamping the workpiece a, the workpiece a needs to be aligned, and if the workpiece a is not aligned, a machined hole is prone to shift in the drilling process, so that the workpiece a is scrapped.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a from centering anchor clamps for drilling machine to improve the technical problem of the positioning accuracy of some work pieces when the centre gripping.
For solving the technical problem, the utility model discloses a technical scheme:
a self-centering clamp for a drill press, comprising
The fixture comprises a fixture body, wherein a mounting cavity is formed in the fixture body, and a guide rail communicated with the mounting cavity is formed in the top of the fixture body;
the sliding block is arranged in the mounting cavity in a sliding manner;
the two clamping seats are respectively marked as a first clamping seat and a second clamping seat, the first clamping seat and the second clamping seat are respectively arranged on the guide rail in a sliding manner, the first clamping seat is fixedly connected with the sliding block, and the second clamping seat is in transmission connection with the sliding block;
the driving piece is rotatably arranged on one side of the clamp body, and one end of the driving piece extends into the mounting cavity and is rotatably connected with the sliding block;
locating component slides and locates on the anchor clamps body, and be located between first grip slipper and the second grip slipper, locating component includes support, retaining member and a location section of thick bamboo, run through on the support and seted up first recess, the retaining member is located the top of anchor clamps body, and pass first recess threaded connection has a location section of thick bamboo, but be equipped with the scale mark along the direction of height scale on the lateral wall of a location section of thick bamboo, just a location section of thick bamboo sets up to extending structure.
According to some embodiments, the positioning cylinder is provided with a first cylinder body and a second cylinder body from top to bottom, the second cylinder body is inserted into the first cylinder body in a sliding mode and is in threaded connection with the locking piece, a plurality of positioning holes are formed in one side, far away from the scale marks, of the first cylinder body in the height direction of the first cylinder body, one side, located on the positioning holes, of the second cylinder body is connected with a probe through springs, and the probe is arranged in the positioning holes in a sliding mode.
According to some embodiments, the two sides of the clamp body are both provided with second grooves, the support is in an inverted U shape, and the two sides of the support are respectively inserted into the second grooves.
According to some embodiments, one end of the bracket inserted into the second groove is rotatably inserted with a lock nut, and the lock nut passes through the second groove and abuts against the side wall of the clamp body.
According to some embodiments, the sliding block is provided with a third groove, and a first rack is fixedly arranged in the third groove;
a second rack is arranged at the bottom of the second clamping seat;
the installation cavity is internally and fixedly provided with an installation shaft along the width direction, the installation shaft is positioned between the first rack and the second rack, a gear is rotationally arranged on the installation shaft, and the gear is respectively meshed with the first rack and the second rack.
According to some embodiments, the first clamping seat and the second clamping seat are both L-shaped, and a rubber pad is connected to one side, opposite to the first clamping seat and the second clamping seat, of each clamping seat.
According to some embodiments, the drive is a lead screw.
According to some embodiments, a handle is fixedly sleeved on one side of the driving piece.
Has the advantages that:
the utility model provides a self-centering clamp for a drilling machine, a sliding block is arranged in an installation cavity of a clamp body in a sliding manner, a first clamping seat and a second clamping seat are respectively arranged on the clamp body in a sliding manner, the first clamping seat is fixedly connected with the sliding block, the second clamping seat is in transmission connection with the sliding block, and a driving piece which is rotationally connected with the sliding block is arranged on one side of the clamp body, so that the driving piece pushes the sliding block to move, and the sliding block drives the second clamping seat and the first clamping seat to be relatively close to clamp a workpiece; through sliding between first grip slipper and second grip slipper and being provided with the locating component for the work piece location, wherein, a location section of thick bamboo telescopic height-adjusting to the required height of adaptation work piece when the centre gripping, and through with retaining member threaded connection, make after the height of a location section of thick bamboo has been adjusted, screw a location section of thick bamboo on the support, in order to improve the positioning accuracy of some work pieces when the centre gripping, this mechanism design benefit, the suitability is stronger.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic view of a conventional vise for clamping a workpiece;
FIG. 2 is a schematic view of the present invention for clamping a workpiece;
fig. 3 is a schematic view of the present invention;
fig. 4 is a side view of the present invention;
FIG. 5 is a cross-sectional view A-A shown in FIG. 4;
fig. 6 is an exploded view of the positioning assembly of the present invention;
FIG. 7 is a cross-sectional view of the positioning cartridge of FIG. 6;
fig. 8 is a partial enlarged view of a portion a shown in fig. 7.
In the figure, 1 fixture body, 11 installation cavities, 12 guide rails, 13 installation shafts, 14 gears, 2 sliding blocks, 21 third grooves, 22 first racks, 3 first clamping seats, 4 second clamping seats, 41 second racks, 5 driving pieces, 51 handles, 6 positioning components, 61 supports, 611 first grooves, 612 locking nuts, 62 locking pieces, 63 positioning cylinders, 631 scale marks, 632 first cylinders, 6321 positioning holes, 633 second cylinders, 634 springs, 635 probes and 7 rubber pads.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the terms greater than, less than, exceeding, etc. are understood to exclude the number, and the terms above, below, inside, etc. are understood to include the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 8, a self-centering clamp for a drilling machine includes a clamp body 1, a sliding block 2, a first clamping seat 3, a second clamping seat 4, a driving part 5 and a positioning assembly 6, wherein the clamp body 1 has a mounting cavity 11 therein, and the top of the clamp body 1 is provided with a guide rail 12 communicated with the mounting cavity 11; the sliding block 2 is arranged in the mounting cavity 11 in a sliding manner; the two clamping seats are respectively marked as a first clamping seat 3 and a second clamping seat 4, the first clamping seat 3 and the second clamping seat 4 are respectively arranged on the guide rail 12 in a sliding manner, the first clamping seat 3 is fixedly connected with the sliding block 2, and the second clamping seat 4 is in transmission connection with the sliding block 2; the driving piece 5 is rotatably arranged on one side of the clamp body 1, and one end of the driving piece 5 extends into the mounting cavity 11 and is rotatably connected with the sliding block 2; locating component 6 slides and locates on anchor clamps body 1, and be located between first grip slipper 3 and the second grip slipper 4, locating component 6 includes support 61, retaining member 62 and a location section of thick bamboo 63, run through on the support 61 and seted up first recess 611, the top of anchor clamps body 1 is located to retaining member 62 to pass first recess 611 threaded connection and have a location section of thick bamboo 63, be equipped with scale mark 631 along the direction of height on the lateral wall of a location section of thick bamboo 63, and a location section of thick bamboo 63 sets up to scalable structure.
According to the structure, the positioning cylinder 63 is screwed after being adjusted to the height which is consistent with that of the two corresponding positioning cylinders 63 through the scale marks 631, so that the locking piece 62 penetrates through the first groove 611 to be inserted into the positioning cylinder 63, the positioning cylinder 63 is fixed on the support 61, workpieces are placed at the tops of the two corresponding positioning cylinders 63, the workpieces are adjusted to be balanced and located on a horizontal plane, the driving piece 5 is driven to drive the sliding block 2 to move, the sliding block 2 drives the first clamping seat 3 and the second clamping seat 4 to be relatively close to clamp the workpieces, the positioning accuracy of the workpieces during clamping is improved, and the mechanism is ingenious in design and high in applicability.
Referring to fig. 7 and 8, the positioning cylinder 63 is provided with a first cylinder 632 and a second cylinder 633 from top to bottom, the second cylinder 633 is slidably inserted into the first cylinder 632, the second cylinder 633 is in threaded connection with the locking member 62, a plurality of positioning holes 6321 are formed in one side of the first cylinder 632, which is far away from the graduation line 631, along the height direction of the first cylinder 632, the second cylinder 633 is connected with a probe 635 on one side of the positioning holes 6321 through a spring 634, and the probe 635 is slidably disposed in the positioning holes 6321. When the height of the positioning cylinder 63 needs to be adjusted, the probe 635 is pressed inwards to the positioning hole 6321 until the probe 635 enters the first cylinder 632, at this time, the spring 634 is in a compressed state, and meanwhile, the second cylinder 633 is pulled up and down according to actual conditions, the spring 634 has restoring force, when the probe 635 passes through the positioning hole 6321, the spring 634 gives a pushing force to the probe 635, the probe 635 is inserted into the positioning hole 6321 until the first cylinder 632 and the second cylinder 633 cannot move relatively, wherein a scale line 631 is carved on the outer side wall of the second cylinder 633 along the height direction, so as to ensure that the distance of the corresponding second cylinder 633 moving up and down is kept consistent.
As shown in fig. 3, second grooves are formed in both sides of the fixture body 1, the support 61 is in an inverted U shape, both sides of the support 61 are respectively inserted into the second grooves, and the second grooves are located in the center of the fixture body 1, so that the support 61 is installed in the center of the fixture body 1.
As shown in fig. 3 and 6, a locking nut 612 is rotatably inserted into one end of the support 61 inserted into the second groove, and the locking nut 612 passes through the second groove and abuts against the side wall of the fixture body 1 to fixedly mount the support 61 in the second groove, so that the support 61 can be detachably mounted, and the support 61 is prevented from being easily taken out during work, and the positioning accuracy of a workpiece is not accurate.
Referring to fig. 5, a third groove 21 is formed on the sliding block 2, and a first rack 22 is fixedly disposed in the third groove 21; the bottom of the second clamping seat 4 is provided with a second rack 41; the mounting cavity 11 is internally and fixedly provided with a mounting shaft 13 along the width direction, the mounting shaft 13 is positioned between the first rack 22 and the second rack 41, the mounting shaft 13 is rotatably provided with a gear 14, and the gear 14 is respectively meshed with the first rack 22 and the second rack 41. When the sliding block 2 moves, the first rack 22 is engaged with the gear 14, and the gear 14 is engaged with the second rack 41, so as to drive the second clamping seat 4 to be relatively close to the first clamping seat 3, so as to clamp the workpiece.
As shown in fig. 2, 3 and 5, the first clamping seat 3 and the second clamping seat 4 are both L-shaped, and one side of the first clamping seat 3 opposite to the second clamping seat 4 is connected with a rubber pad 7, so that the first clamping seat 3 and the second clamping seat 4 are prevented from causing abrasion of a surface of the workpiece, which is in contact with the first clamping seat 3 and the second clamping seat 4, when clamping the workpiece.
In further illustration, the driving member 5 is a screw.
Referring to fig. 2, 3 and 5, a handle 51 is fixedly sleeved on one side of the driving member 5 to facilitate the rotation of the driving member 5.
The utility model discloses a working method as follows: firstly, by pressing the probe 635 inwards to the positioning hole 6321 until the probe 635 enters the first barrel 632, at this time, the spring 634 is in a compressed state, and simultaneously pulling the second barrel 633 up and down according to actual conditions, the spring 634 has a restoring force, when the probe 635 passes through the positioning hole 6321, the spring 634 gives a pushing force to the probe 635, the probe 635 is inserted into the positioning hole 6321 until the first barrel 632 and the second barrel 633 cannot move relatively, after the heights of the corresponding positioning barrels 63 are adjusted to be consistent, the positioning barrels 63 are screwed, the locking members 62 pass through the first grooves 611 and are inserted into the positioning barrels 63, so as to fix the positioning barrels 63 on the support 61, then the workpiece is placed on the tops of the corresponding two positioning barrels 63, so as to maintain the balanced state of the workpiece, finally, the driving member 5 is rotated by the handle 51, the driving member 5 pushes the sliding block 2 to move, and the sliding block 2 drives the first clamping seat 3 to slide, meanwhile, the gear 14 is engaged with the first rack 22 and the second rack 41 respectively to drive the second clamping seat 4 to be relatively close to the first clamping seat 3 for clamping the workpiece.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge range of those skilled in the art.
Claims (8)
1. A self-centering clamp for a drill press, comprising:
the clamp comprises a clamp body (1), wherein a mounting cavity (11) is formed in the clamp body (1), and a guide rail (12) communicated with the mounting cavity (11) is formed in the top of the clamp body (1);
the sliding block (2) is arranged in the mounting cavity (11) in a sliding manner;
the two clamping seats are respectively marked as a first clamping seat (3) and a second clamping seat (4), the first clamping seat (3) and the second clamping seat (4) are respectively arranged on the guide rail (12) in a sliding mode, the first clamping seat (3) is fixedly connected with the sliding block (2), and the second clamping seat (4) is in transmission connection with the sliding block (2);
the driving piece (5) is rotatably arranged on one side of the clamp body (1), and one end of the driving piece (5) extends into the mounting cavity (11) and is rotatably connected with the sliding block (2);
locating component (6), the slip is located on anchor clamps body (1), and be located between first grip slipper (3) and second grip slipper (4), locating component (6) include support (61), retaining member (62) and a location section of thick bamboo (63), run through on support (61) and seted up first recess (611), retaining member (62) are located the top of anchor clamps body (1), and pass first recess (611) threaded connection has a location section of thick bamboo (63), be equipped with scale mark (631) along the direction of height scale on the lateral wall of a location section of thick bamboo (63), just a location section of thick bamboo (63) set up to scalable structure.
2. The self-centering clamp for the drilling machine according to claim 1, wherein the positioning cylinder (63) is provided with a first cylinder body (632) and a second cylinder body (633) which are vertically arranged, the second cylinder body (633) is slidably inserted into the first cylinder body (632), the second cylinder body (633) is in threaded connection with the locking member (62), one side of the first cylinder body (632) far away from the graduation line (631) is provided with a plurality of positioning holes (6321) along the height direction of the first cylinder body (632), one side of the second cylinder body (633) far away from the positioning holes (6321) is connected with a probe (635) through a spring (634), and the probe (635) is slidably arranged in the positioning holes (6321).
3. The self-centering clamp for the drilling machine according to claim 1, wherein second grooves are formed in two sides of the clamp body (1), the support (61) is in an inverted U shape, and two sides of the support (61) are respectively inserted into the second grooves.
4. The self-centering clamp for drilling machines according to claim 3, characterized in that the end of said support (61) inserted in the second groove is rotatably inserted with a locking nut (612), said locking nut (612) passing through the second groove and abutting against the side wall of said clamp body (1).
5. The self-centering clamp for the drilling machine as claimed in claim 1, wherein a third groove (21) is formed in the sliding block (2), and a first rack (22) is fixedly arranged in the third groove (21);
a second rack (41) is arranged at the bottom of the second clamping seat (4);
the mounting structure is characterized in that a mounting shaft (13) is fixedly arranged in the mounting cavity (11) along the width direction, the mounting shaft (13) is located between the first rack (22) and the second rack (41), a gear (14) is arranged on the mounting shaft (13) in a rotating mode, and the gear (14) is meshed with the first rack (22) and the second rack (41) respectively.
6. The self-centering clamp for drilling machines according to claim 1, characterized in that said first grip holder (3) and said second grip holder (4) are each L-shaped, and a rubber pad (7) is connected to each of the opposite sides of said first grip holder (3) and said second grip holder (4).
7. A self-centring clamp for drilling machines according to claim 1, characterised in that the drive (5) is a screw.
8. A self-centring clamp for drilling machines according to claim 7, characterised in that the driving member (5) is fitted with a handle (51) on one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220271872.1U CN217452247U (en) | 2022-02-10 | 2022-02-10 | Self-centering clamp for drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220271872.1U CN217452247U (en) | 2022-02-10 | 2022-02-10 | Self-centering clamp for drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217452247U true CN217452247U (en) | 2022-09-20 |
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ID=83264354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220271872.1U Active CN217452247U (en) | 2022-02-10 | 2022-02-10 | Self-centering clamp for drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217452247U (en) |
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2022
- 2022-02-10 CN CN202220271872.1U patent/CN217452247U/en active Active
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