CN210306780U - Special flat tongs of five machining centers - Google Patents
Special flat tongs of five machining centers Download PDFInfo
- Publication number
- CN210306780U CN210306780U CN201920609495.6U CN201920609495U CN210306780U CN 210306780 U CN210306780 U CN 210306780U CN 201920609495 U CN201920609495 U CN 201920609495U CN 210306780 U CN210306780 U CN 210306780U
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- China
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- flat tongs
- axis machining
- machining center
- clamping jaw
- mounting groove
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- Expired - Fee Related
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Abstract
The utility model belongs to the technical field of flat tongs, a special flat tongs of five-axis machining center is proposed, including the pincers body, the pincers body is last to have the mounting groove, and the slider, the slider is provided with two, and two sliders set up on the mounting groove relatively, have the screw hole on the slider, and the screw hole is on a parallel with the mounting groove, and the lead screw, the both ends of lead screw are provided with respectively soon to opposite first screw thread, second screw thread, and the lead screw passes the screw hole, the jack catch, and the jack catch setting has a plurality of clamp teeth on the jack catch, and the clamp tooth is used for aiming at prefabricated tooth trace on the work piece and is in order to. The utility model provides an among the prior art five-axis machining center add man-hour, because of the work piece is occupied great area by anchor clamps by clamping part, can't accomplish five processing of face under the tight condition of a clamp, need shut down midway and press from both sides the dress again to the work piece, cause the efficiency to reduce to and the problem that the machining benchmark transform brought work piece machining error.
Description
Technical Field
The utility model belongs to the technical field of flat-nose pliers, a special flat-nose pliers of five machining centers is related to.
Background
A flat-nose pliers, also known as a machine vice, is a universal fixture which is fixed on a machine tool worktable and is used for clamping a workpiece to carry out cutting machining. The assembly structure of the flat tongs is in detachable threaded connection; the linear motion of the movable clamp body is converted from spiral motion; the working surface is the friction surface of screw pair, guide rail pair and clearance fit shaft and hole. The flat tongs have the characteristics of simple structure and compact structure. When a workpiece is fixed by using a flat tongs in the prior art as a tool clamp, in order to meet the clamping reliability, a sufficient clamping height must be ensured, and a clamped part of the workpiece often occupies a large area by using the clamp, so that a five-axis machining center cannot finish machining five surfaces under the condition that the workpiece is clamped at one time, the workpiece needs to be stopped midway to clamp again, the efficiency is reduced, and the machining reference is changed to cause the problem of workpiece machining errors.
SUMMERY OF THE UTILITY MODEL
The utility model provides a special flat tongs of five-axis machining center has solved among the prior art five-axis machining center and has add man-hour because of pressing from both sides the dress again, the efficiency reduction problem that causes to and the work piece machining error problem that brings is changeed to the machining benchmark.
The technical scheme of the utility model is realized like this:
a special flat tongs of five machining center includes:
the pliers body is provided with an installation groove,
two sliding blocks are arranged on the sliding block, the two sliding blocks are oppositely arranged on the mounting groove, the sliding block is provided with a threaded hole, the threaded hole is parallel to the mounting groove,
a screw rod, wherein a first thread and a second thread with opposite rotation directions are respectively arranged at two ends of the screw rod, the screw rod passes through the threaded hole,
the clamping jaw is arranged on the sliding block, a plurality of clamping teeth are arranged on the clamping jaw, and the clamping teeth are used for aligning to tooth marks prefabricated on a workpiece so as to clamp the workpiece.
As a further technical scheme, a yoke plate is sleeved at the middle part of the screw rod, and the yoke plate is arranged on the clamp body through a first bolt.
As a further technical scheme, an annular groove is formed in the middle of the screw rod, and the yoke plate is arranged on the annular groove.
As a further technical scheme, the mounting groove is specifically a T-shaped groove, and the slider is specifically a T-shaped slider.
As a further technical scheme, the clamping jaws are arranged on the sliding blocks through second bolts, and the clamping teeth are arranged on two side faces of each clamping jaw.
As a further technical scheme, the clamping teeth are arranged at two ends of one side face of the clamping jaw, a notch is formed in the middle of the clamping jaw, and the continuous clamping teeth are arranged on the other side face of the clamping jaw.
As a further technical scheme, a plurality of rows of the clamping teeth are sequentially arranged from top to bottom.
As a further technical scheme, one end of the screw rod is provided with a hexagonal head.
The utility model discloses theory of use and beneficial effect do:
1. the utility model provides a be provided with the mounting groove on the pincers body, the slider sets up on the mounting groove relatively, is provided with the jack catch on the slider, and the lead screw passes the screw hole on the slider, and the first screw thread at lead screw both ends, second screw thread close with the screw thread on the threaded hole inner wall on two sliders respectively soon, and consequently when the lead screw rotates, two sliders will be in opposite directions or back of the body motion, change the distance between two sliders to change the distance between two jack catches, realize pressing from both sides the function of tightly pressing from both sides or loosening the work piece.
When a workpiece is machined by using a five-axis machining center, the workpiece is clamped through a clamping jaw, at the moment, clamping teeth on the clamping jaw are meshed with tooth marks prefabricated on the bottom of the workpiece, on one hand, the clamping teeth increase the clamping force on the workpiece and prevent the workpiece from deviating in the machining process, so that the machining precision is ensured, on the other hand, the clamping jaw clamps the bottom of the workpiece, and on the other hand, the five-axis machining center can continuously machine the rest five surfaces of the workpiece under the condition of once clamping without stopping midway to re-clamp the workpiece, so that the problems of efficiency reduction caused by re-clamping and workpiece machining errors caused by machining reference change in the prior art are solved. The part of the bottom of the workpiece, which is prefabricated with tooth marks, is a process boss, and the whole machining process can be completed only by removing the process boss after five-axis machining is completed.
2. The utility model provides a lead screw middle part cover is equipped with the yoke plate, and the lead screw middle part is provided with the ring channel, and the yoke plate sets up on the pincers body through first bolt, consequently when the lead screw rotates, the yoke plate can produce limiting displacement to the lead screw, guarantees that the lead screw can not produce the displacement rotating the in-process, only can make slider or back of the body motion in opposite directions through screw transmission, changes the distance between two sliders to the realization is pressed from both sides the dress or is loosened the function of work piece.
3. The utility model provides a mounting groove specifically is T type groove, and the slider specifically is T type slider, rotates and drives the slider motion at the lead screw, and T type slider slides in T type inslot, plays good guide effect.
4. The clamping teeth are arranged on two side surfaces of the clamping jaw, so that different side surfaces can be selected according to the processing requirement to clamp the workpiece, and when the workpiece needing to be clamped is relatively short, the side surface provided with the continuous clamping teeth is selected to meet the clamping reliability; when the workpiece is relatively long and needs to be clamped by a plurality of flat tongs simultaneously, the clamping teeth are arranged at two ends, the side face with the notch in the middle is arranged for clamping, the contact surface between the long edge of the workpiece and the clamping jaw is properly reduced to avoid interference, and the workpiece is reliably clamped.
5. The utility model provides a press from both sides the tooth and set gradually a plurality of rows from top to bottom, can choose for use according to the processing demand, no profile and single row profile jack catch are applicable to soft materials, and multirow profile jack catch is applicable to hard material.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the slider of the present invention;
fig. 3 is a schematic structural view of the middle yoke plate of the present invention;
in the figure: the clamp comprises a clamp body 1, a clamp body 2, a mounting groove 2, a sliding block 3, a screw rod 5, a claw 7, a clamping tooth 8, a yoke plate 9, a first bolt 10, an annular groove 11, a notch 12 and a hexagonal head 13.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-3, the utility model provides a special flat tongs of five machining centers, include:
the clamp body 1 is provided with an installation groove 2,
two sliding blocks 3 are arranged, the two sliding blocks 3 are oppositely arranged on the mounting groove 2, the sliding blocks 3 are provided with threaded holes which are parallel to the mounting groove 2,
a screw rod 5, a first thread and a second thread with opposite rotation directions are respectively arranged at the two ends of the screw rod 5, the screw rod 5 passes through the threaded hole,
the clamping jaw 7 is arranged on the sliding block 3, a plurality of clamping teeth 8 are arranged on the clamping jaw 7, and the clamping teeth 8 are used for aligning with pre-manufactured tooth marks on a workpiece so as to clamp the workpiece.
The utility model provides a be provided with mounting groove 2 on the pincers body 1, slider 3 sets up relatively on mounting groove 2, be provided with jack catch 7 on the slider 3, lead screw 5 passes the screw hole on the slider 3, the first screw at 5 both ends of lead screw, the second screw closes soon with the screw thread on the screw hole inner wall on two sliders 3 respectively, consequently, when lead screw 5 rotates, two sliders 3 will be in opposite directions or back of the body motion, change the distance between two sliders 3, thereby change the distance between two jack catches 7, the function of the work piece is pressed from both sides tightly or is loosened in the realization.
When a workpiece is machined by using a five-axis machining center, the workpiece is clamped through a clamping jaw 7, at the moment, a clamping tooth 8 on the clamping jaw 7 is meshed with a tooth mark prefabricated on the workpiece, on one hand, the clamping tooth increases the clamping force on the workpiece, and the workpiece is prevented from deviating in the machining process, so that the machining precision is ensured, on the other hand, the clamping jaw 7 clamps the bottom of the workpiece, and on the other hand, the five-axis machining center can continuously machine the rest five surfaces of the workpiece under the condition of one-time clamping without stopping midway to re-clamp the workpiece, so that the problems of efficiency reduction caused by re-clamping in the prior art and workpiece machining errors caused by machining reference change are solved. The part of the bottom of the workpiece, which is provided with the clamping teeth, is a process boss, and the whole machining process can be completed only by removing the process boss after the five-axis machining is completed.
Further, the middle part of the screw rod 5 is sleeved with a yoke plate 9, and the yoke plate 9 is arranged on the clamp body 1 through a first bolt 10.
Further, the middle part of the screw rod 5 is provided with an annular groove 11, and the yoke plate 9 is arranged on the annular groove 11.
The utility model provides a 5 middle part covers of lead screw are equipped with yoke board 9, 5 middle parts of lead screw are provided with ring channel 11, yoke board 9 sets up on ring channel 11, and yoke board 9 sets up on the pincers body 1 through first bolt 10, consequently when 5 rotations of lead screw, yoke board 9 can produce limiting displacement to lead screw 5, guarantee lead screw 5 at the rotation in-process, can not produce the displacement, only can make slider 3 or back of the body motion in opposite directions through the screw thread transmission, change the distance between two sliders 3, thereby the function of the work piece is pressed from both sides or is loosened in the realization.
Further, the mounting groove 2 is a T-shaped groove, and the sliding block 3 is a T-shaped sliding block.
The utility model provides a mounting groove 2 specifically is T type groove, and slider 3 specifically is T type slider, rotates and drives slider 3 when moving at lead screw 5, and T type slider slides in T type groove, plays good guide effect.
Further, the jack catch 7 is arranged on the sliding block 3 through a second bolt, and clamping teeth 8 are arranged on two side faces of the jack catch 7.
Furthermore, both ends of one side surface of the clamping jaw 7 are provided with clamping teeth 8, the middle part of the clamping jaw is provided with a notch 12, and the other side surface is provided with continuous clamping teeth 8.
In the utility model, the clamping teeth are arranged on two side surfaces of the clamping jaw 7, so that different side surfaces can be selected according to the processing requirement to clamp the workpiece, and when the workpiece needing to be clamped is relatively short, the side surface provided with the continuous clamping teeth 8 is selected to meet the clamping reliability; when the workpiece is relatively long and needs to be clamped by a plurality of flat tongs simultaneously, the clamping teeth 8 are arranged at two ends, the side face with the notch 12 in the middle is used for clamping, the contact surface between the long edge of the workpiece and the clamping jaw 7 is properly reduced to avoid interference, and the workpiece is reliably clamped.
Furthermore, a plurality of rows of clamping teeth 8 are arranged in sequence from top to bottom.
Further, one end of the screw rod 5 is provided with a hexagonal head 13.
The utility model provides a press from both sides tooth 8 and set gradually a plurality of rows from top to bottom, can choose for use according to the processing demand, no profile and single-row profile jack catch 7 are applicable to soft materials, and multirow profile jack catch 7 is applicable to hard material.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A special flat tongs for five-axis machining center is characterized by comprising
A clamp body (1), wherein the clamp body (1) is provided with an installation groove (2),
two sliding blocks (3), the two sliding blocks (3) are oppositely arranged on the mounting groove (2), the sliding blocks (3) are provided with threaded holes which are parallel to the mounting groove (2),
the screw rod (5), the two ends of the screw rod (5) are respectively provided with a first thread and a second thread with opposite turning directions, the screw rod (5) passes through the threaded hole,
the clamping jaw (7), the clamping jaw (7) set up on slider (3), a plurality of clamp teeth (8) have on clamping jaw (7), clamp tooth (8) are used for aiming at the prefabricated tooth trace on the work piece in order to press from both sides the work piece.
2. The flat tongs special for the five-axis machining center according to claim 1 are characterized in that a yoke plate (9) is sleeved in the middle of the screw rod (5), and the yoke plate (9) is arranged on the tongs body (1) through a first bolt (10).
3. The flat tongs special for the five-axis machining center according to claim 2 is characterized in that an annular groove (11) is formed in the middle of the screw rod (5), and the yoke plate (9) is arranged on the annular groove (11).
4. The flat tongs special for the five-axis machining center according to claim 1, wherein the mounting groove (2) is a T-shaped groove, and the sliding block (3) is a T-shaped sliding block.
5. The flat tongs special for five-axis machining centers as claimed in claim 1, characterized in that the jaws (7) are arranged on the slide block (3) by means of second bolts, and the gripping teeth (8) are arranged on both side faces of the jaws (7).
6. The flat tongs special for the five-axis machining center according to claim 5 is characterized in that the clamping teeth (8) are arranged at both ends of one side surface of the clamping jaw (7), a gap (12) is formed in the middle of the clamping jaw, and the continuous clamping teeth (8) are arranged on the other side surface of the clamping jaw.
7. The flat tongs special for the five-axis machining center according to claim 5 is characterized in that a plurality of rows of the gripping teeth (8) are sequentially arranged from top to bottom.
8. The flat tongs special for the five-axis machining center according to claim 1 is characterized in that one end of the screw rod (5) is provided with a hexagonal head (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920609495.6U CN210306780U (en) | 2019-04-29 | 2019-04-29 | Special flat tongs of five machining centers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920609495.6U CN210306780U (en) | 2019-04-29 | 2019-04-29 | Special flat tongs of five machining centers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210306780U true CN210306780U (en) | 2020-04-14 |
Family
ID=70137049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920609495.6U Expired - Fee Related CN210306780U (en) | 2019-04-29 | 2019-04-29 | Special flat tongs of five machining centers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210306780U (en) |
-
2019
- 2019-04-29 CN CN201920609495.6U patent/CN210306780U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200414 |
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| CF01 | Termination of patent right due to non-payment of annual fee |