CN218746318U - Workpiece clamping mechanism for numerical control machine tool - Google Patents

Workpiece clamping mechanism for numerical control machine tool Download PDF

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Publication number
CN218746318U
CN218746318U CN202223106576.5U CN202223106576U CN218746318U CN 218746318 U CN218746318 U CN 218746318U CN 202223106576 U CN202223106576 U CN 202223106576U CN 218746318 U CN218746318 U CN 218746318U
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China
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sliding
machine tool
control machine
lead screw
clamping
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CN202223106576.5U
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Chinese (zh)
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肖伟
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Guangdong Fengwei Intelligent Technology Co ltd
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Guangdong Fengwei Intelligent Technology Co ltd
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Abstract

The utility model relates to a digit control machine tool technical field just discloses a work piece fixture for digit control machine tool, including bottom plate, fixing base, sliding seat, slide rail, first lead screw, fixing base fixed mounting is at the top of bottom plate, the sliding seat passes through the top sliding connection of slide rail and bottom plate, the one end of first lead screw is connected with the side surface rotation of fixing base, the side surface and the sliding seat threaded connection of first lead screw, the fixing base all is provided with fixture with the top of sliding seat. The utility model discloses a be provided with fixture, splint can press from both sides tightly the work piece at straight edge, through fixed plate and a plurality of holding frame, can have the fixed effect of good centre gripping to the work piece at arc edge, the effectual area of contact that has increased between work piece and the clamp splice, can ensure the stability of work piece and the precision of processing, through rotating the threaded rod, can adjust the interval between the holding frame, are convenient for press from both sides tightly the work piece of unidimensional not.

Description

Workpiece clamping mechanism for numerical control machine tool
Technical Field
The utility model relates to a digit control machine tool technical field specifically is a work piece fixture for digit control machine tool.
Background
The numerical control machine tool is a numerical control machine tool, and the numerical control device sends various control signals through operation processing to control the action of the machine tool and automatically machine parts according to the shape and the size required by a drawing. The numerical control machine tool well solves the problem of machining of complex, precise, small-batch and various parts, is a flexible and high-efficiency automatic machine tool, represents the development direction of the control technology of modern machine tools, is a typical electromechanical integrated product numerical control machine tool, is an automatic machine tool, and generally needs to use a clamp to fix a workpiece before the numerical control machine tool runs so that the workpiece and a cutter are in correct positions.
The clamping plates of a vice are generally used for clamping the left side surface and the right side surface of a workpiece in the conventional workpiece clamping process, and when the edge of the workpiece is arc-shaped, the contact area between the clamping plates and the workpiece is small, so that the stable fixing effect is obviously difficult to achieve by depending on the static friction force between the workpiece and the clamping plates.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to solve the above problems in the prior art, the utility model provides a workpiece clamping mechanism for digit control machine tool.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a main technical scheme: the utility model provides a work piece fixture for digit control machine tool, includes bottom plate, fixing base, sliding seat, slide rail, first lead screw, fixing base fixed mounting is at the top of bottom plate, the sliding seat passes through the top sliding connection of slide rail and bottom plate, the one end of first lead screw is rotated with the side surface of fixing base and is connected, the side surface and the sliding seat threaded connection of first lead screw, the fixing base all is provided with fixture with the top of sliding seat, the fixing base sets up with the sliding seat symmetry, fixture includes plane clamp platform, fixed orifices, splint, fixing bolt, dysmorphism clamp platform, spout, threaded rod, positive thread, reverse thread, slider and holding frame, the top of fixing base is provided with plane clamp platform, the top of plane clamp platform is provided with a plurality of fixed orifices, splint pass through fixing bolt fixed mounting at the top of plane clamp platform, the top of fixing base still is provided with dysmorphism clamp platform, the inboard bottom symmetry of dysmorphism clamp platform is provided with the spout, the threaded rod runs through two spouts and is connected with the fixing base rotation, the inside that the threaded rod just is located two spouts respectively of threaded rod is provided with positive thread and reverse thread, slider and threaded rod connection.
Preferably, the inside wall fixed mounting of dysmorphism clamp platform has the fixed plate, the top fixed mounting of fixed plate has the second lead screw, the top of fixed plate is provided with the briquetting, the side surface at the second lead screw is established to the briquetting cover, briquetting and second lead screw swing joint, the bottom fixed mounting of briquetting has the second cushion.
Preferably, a placing groove is formed in the top of the pressing block, a pressing block is connected to the side surface of the second screw rod in a threaded mode, and a spring is arranged between the pressing block and the placing groove.
Preferably, the clamping frame is V-shaped, and the two ends of the clamping frame are fixedly provided with first cushion blocks.
Preferably, the first cushion block and the second cushion block are made of rubber materials.
Preferably, handles are mounted at one ends of the first screw rod and the threaded rod.
(III) advantageous effects
The utility model provides a workpiece clamping mechanism for digit control machine tool. The method has the following beneficial effects:
(1) Through being provided with fixture, splint can press from both sides tightly the work piece at straight edge, through fixed plate and a plurality of holding frame, can have the fixed effect of good centre gripping to the work piece at arc edge, the effectual area of contact that has increased between work piece and the clamp splice, can ensure the stability of work piece and the precision of processing, through rotating the threaded rod, can adjust the interval between the holding frame, be convenient for press from both sides tightly not unidimensional work piece.
(2) Through being provided with the briquetting, be convenient for compress tightly the top of work piece, further ensured the stability of work piece and the precision of processing, through being provided with second lead screw and compact heap, can be convenient for compress tightly the work piece of co-altitude to the height adjustment of briquetting.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the fixing base of the present invention;
FIG. 3 is a schematic view of the internal structure of the fixing base of the present invention;
fig. 4 is a schematic structural diagram of the middle press block of the present invention.
In the figure: 1. a base plate; 2. a fixed seat; 3. a sliding seat; 4. a slide rail; 5. a first lead screw; 6. a clamping mechanism; 7. a planar clamping table; 8. a fixing hole; 9. a splint; 10. fixing the bolt; 11. a special-shaped clamping table; 12. a chute; 13. a threaded rod; 14. a positive thread; 15. reverse threads; 16. a slider; 17. a clamping frame; 18. a first cushion block; 19. a fixing plate; 20. a second lead screw; 21. briquetting; 22. a placement groove; 23. a compression block; 24. a spring; 25. and a second cushion block.
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 work belong to the protection scope of the present invention.
As shown in fig. 1-4, the utility model provides a workpiece clamping mechanism technical scheme for digit control machine tool: a workpiece clamping mechanism for a numerical control machine tool comprises a bottom plate 1, a fixed seat 2, a sliding seat 3, a sliding rail 4 and a first lead screw 5, wherein the fixed seat 2 is fixedly arranged at the top of the bottom plate 1, the sliding seat 3 is in sliding connection with the top of the bottom plate 1 through the sliding rail 4, one end of the first lead screw 5 is in rotating connection with the side surface of the fixed seat 2, the side surface of the first lead screw 5 is in threaded connection with the sliding seat 3, the position of the sliding seat 3 can be adjusted by rotating the first lead screw 5 to clamp a workpiece, clamping mechanisms 6 are arranged at the tops of the fixed seat 2 and the sliding seat 3, the fixed seat 2 and the sliding seat 3 are symmetrically arranged, each clamping mechanism 6 comprises a plane clamping table 7, a fixed hole 8, a clamping plate 9, a fixed bolt 10, a special-shaped clamping table 11, a sliding groove 12, a threaded rod 13, a positive thread 14, a reverse thread 15, a sliding block 16 and a clamping frame 17, the top of the fixed seat 2 is provided with the plane clamping table 7, the plane clamping table 7 is communicated with a special-shaped clamping table 11, a plurality of fixing holes 8 are formed in the top of the plane clamping table 7, a clamping plate 9 is fixedly installed on the top of the plane clamping table 7 through fixing bolts 10, a special-shaped clamping table 11 is further arranged on the top of the fixed seat 2, sliding grooves 12 are symmetrically formed in the bottom of the inner side of the special-shaped clamping table 11, a threaded rod 13 penetrates through the two sliding grooves 12 and is rotatably connected with the fixed seat 2, a positive thread 14 and a negative thread 15 are respectively arranged on the side surface of the threaded rod 13 and located inside the two sliding grooves 12, two sliding grooves 12 are provided, a positive thread 14 is arranged inside one sliding groove 12, a negative thread 15 is arranged inside the other sliding groove 12, two sliding blocks 16 are respectively located inside the two sliding grooves 12, one sliding block is in threaded connection with the positive thread 14, the other sliding block is in threaded connection with the negative thread 15, and when the threaded rod 13 rotates, the moving directions of the two sliding blocks 16 are opposite, the sliding block 16 is connected with the sliding groove 12 in a sliding mode, the sliding block 16 is connected with the threaded rod 13 in a threaded mode, the clamping frame 17 is connected with the top of the sliding block 16 in a rotating mode, the clamping frame 17 can swing by an angle, and therefore the first cushion block 18 can be better attached to a workpiece.
Preferably, as for the above technical scheme, a fixing plate 19 is fixedly mounted on the inner side wall of the special-shaped clamping table 11, a second screw rod 20 is fixedly mounted at the top of the fixing plate 19, a pressing block 21 is arranged at the top of the fixing plate 19, the pressing block 21 is sleeved on the side surface of the second screw rod 20, the pressing block 21 is movably connected with the second screw rod 20, a second cushion block 25 is fixedly mounted at the bottom of the pressing block 21, a placing groove 22 is arranged at the top of the pressing block 21, a pressing block 23 is in threaded connection with the side surface of the second screw rod 20, a spring 24 is arranged between the pressing block 23 and the placing groove 22, an inner hole is arranged inside the pressing block 21, the diameter of the inner hole is larger than that of the second screw rod 20, the pressing block 21 can swing freely, the spring 24 can apply pressure to the pressing block 21, the pressing block 21 cannot move, the pressing block 21 is placed at the top of the workpiece, and then the pressing block 21 can be pressed by rotating the pressing block 23, so that the stability of the workpiece and the machining precision are further guaranteed.
Preferably, the clamping frame 17 is V-shaped, the first cushion block 18 is fixedly mounted at two ends of the clamping frame 17, the first cushion block 18 and the second cushion block 25 are made of rubber, and the rubber can increase friction force and protect a workpiece.
Preferably, as for the above technical solution, handles are installed at one ends of the first screw rod 5 and the threaded rod 13, so as to facilitate the rotation of the first screw rod 5 and the threaded rod 13.
The working principle is as follows: when the work piece that needs processing is straight edge, splint 9 fixed mounting is on plane press from both sides platform 7, it presss from both sides tightly to the work piece at straight edge through splint 9, when the work piece that needs processing is arc edge, splint 9 is demolishd, the threaded rod 13 is rotated and clamping frame 17 is opened, place the work piece between two fixed plates 19, then rotate first lead screw 5 and carry out preliminary clamp to the work piece, then it is further fixed to rotate threaded rod 13 through clamping frame 17 to the work piece, clamping frame 17 can effectually increase the area of contact between work piece and the clamp splice, can ensure the stability of work piece and the precision of processing, then it places the top at the work piece to rotate briquetting 21, then rotate briquetting 23 and compress tightly briquetting 21, make briquetting 21 compress tightly the top of work piece, further ensure the stability of work piece and the precision of processing.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a work piece fixture for digit control machine tool, includes bottom plate (1), fixing base (2), sliding seat (3), slide rail (4), first lead screw (5), fixing base (2) fixed mounting is at the top of bottom plate (1), sliding seat (3) are through the top sliding connection of slide rail (4) with bottom plate (1), the one end of first lead screw (5) is connected with the side surface rotation of fixing base (2), the side surface and sliding seat (3) threaded connection of first lead screw (5), its characterized in that: the clamping mechanism (6) is arranged on the tops of the fixed seat (2) and the sliding seat (3), the fixed seat (2) and the sliding seat (3) are symmetrically arranged, the clamping mechanism (6) comprises a plane clamping table (7), fixing holes (8), a clamping plate (9), fixing bolts (10), special-shaped clamping tables (11), sliding grooves (12), a threaded rod (13), positive threads (14), negative threads (15), a sliding block (16) and a clamping frame (17), the plane clamping table (7) is arranged on the top of the fixed seat (2), a plurality of fixing holes (8) are formed in the top of the plane clamping table (7), the clamping plate (9) is fixedly mounted on the top of the plane clamping table (7) through the fixing bolts (10), the special-shaped clamping table (11) is further arranged on the top of the fixed seat (2), the sliding grooves (12) are symmetrically arranged at the bottom of the inner side of the special-shaped clamping table (11), the threaded rod (13) penetrates through the two sliding grooves (12) and is rotatably connected with the fixed seat (2), the threaded rod (13) is arranged on the side surface of the two sliding grooves (12), the inner side of the threaded rod is respectively connected with the positive threads (14) and the sliding block (16) and the sliding groove (16) and the sliding block (16), the clamping frame (17) is rotatably connected with the top of the sliding block (16).
2. The workpiece holding mechanism for the numerical control machine tool according to claim 1, wherein: the inside wall fixed mounting of dysmorphism clamp stand (11) has fixed plate (19), the top fixed mounting of fixed plate (19) has second lead screw (20), the top of fixed plate (19) is provided with briquetting (21), the side surface at second lead screw (20) is established to briquetting (21) cover, briquetting (21) and second lead screw (20) swing joint, the bottom fixed mounting of briquetting (21) has second cushion (25).
3. The workpiece holding mechanism for the numerical control machine tool according to claim 2, wherein: the top of the pressing block (21) is provided with a placing groove (22), the side surface of the second screw rod (20) is in threaded connection with a pressing block (23), and a spring (24) is arranged between the pressing block (23) and the placing groove (22).
4. The workpiece holding mechanism for the numerical control machine tool according to claim 3, wherein: the clamping frame (17) is V-shaped, and first cushion blocks (18) are fixedly mounted at two ends of the clamping frame (17).
5. The workpiece holding mechanism for the numerical control machine tool according to claim 4, wherein: the first cushion block (18) and the second cushion block (25) are made of rubber materials.
6. The workpiece holding mechanism for the numerical control machine tool according to claim 5, wherein: handles are mounted at one ends of the first screw rod (5) and the threaded rod (13).
CN202223106576.5U 2022-11-23 2022-11-23 Workpiece clamping mechanism for numerical control machine tool Active CN218746318U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223106576.5U CN218746318U (en) 2022-11-23 2022-11-23 Workpiece clamping mechanism for numerical control machine tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223106576.5U CN218746318U (en) 2022-11-23 2022-11-23 Workpiece clamping mechanism for numerical control machine tool

Publications (1)

Publication Number Publication Date
CN218746318U true CN218746318U (en) 2023-03-28

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CN202223106576.5U Active CN218746318U (en) 2022-11-23 2022-11-23 Workpiece clamping mechanism for numerical control machine tool

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117681019A (en) * 2024-02-02 2024-03-12 华都精工(南通)精密机械有限公司 A processing machine tool that facilitates positioning of workpieces

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117681019A (en) * 2024-02-02 2024-03-12 华都精工(南通)精密机械有限公司 A processing machine tool that facilitates positioning of workpieces
CN117681019B (en) * 2024-02-02 2024-04-12 华都精工(南通)精密机械有限公司 A processing machine tool for convenient positioning of workpieces

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