CN222449401U - Clamping fixture for numerical control machine screw tail end seat - Google Patents
Clamping fixture for numerical control machine screw tail end seat Download PDFInfo
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- CN222449401U CN222449401U CN202421188931.4U CN202421188931U CN222449401U CN 222449401 U CN222449401 U CN 222449401U CN 202421188931 U CN202421188931 U CN 202421188931U CN 222449401 U CN222449401 U CN 222449401U
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- clamping
- fixedly connected
- numerical control
- control machine
- tail end
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- 238000000034 method Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model belongs to the field of clamping fixtures, and particularly relates to a clamping fixture for a screw rod tail end seat of a numerical control machine, which comprises a base and a workbench, wherein a support is fixedly connected above the left side of the base, a driving mechanism is arranged above the support, a clamping mechanism is arranged on the upper surface of the workbench, the clamping mechanism comprises a left clamping unit and a right clamping unit, the driving mechanism comprises a push rod, an extension rod, a baffle, a through hole, a concave base I, a sliding groove I, a sliding block I, a connecting block I and a gear strip I, the left side of the push rod is fixedly connected above the support, the right side of the push rod is fixedly connected to the left side of the baffle, the extension rod is movably connected inside the push rod, the clamping fixture for the screw rod tail end seat of the numerical control machine adopts an air cylinder as a power source, the opening and closing of the clamping mechanism are accurately controlled through the extension of the air cylinder, the left clamping unit and the right clamping unit are identical in structure and symmetrically distributed, the overall stability of the fixture is improved, and the two clamping units can be clamped at the same time.
Description
Technical Field
The utility model relates to the technical field of clamping fixtures, in particular to a clamping fixture for a screw rod tail end seat of a numerical control machine tool.
Background
The clamping fixture for the tail end seat of the screw rod of the numerical control machine tool is a tool specially designed for the numerical control machine tool. The main function of the device is to stably and accurately clamp the tail end of a screw rod (usually referred to as a feed screw or a main shaft screw of a machine tool) in the processing process. Such jigs are generally used to ensure that the screw is fixed in position and does not shake when it is rotated at a high speed or is precisely moved, thereby ensuring machining accuracy and stability of the machine tool.
The Chinese patent with the publication number of CN209503603 discloses a clamping fixture for a screw rod tail end seat of a numerical control machine tool, which comprises a fixed base, clamping fixing blocks, a movable sliding rail, an ejection cylinder and a bearing seat, wherein the two clamping fixing blocks are arranged on the upper surface of the fixed base and are oppositely arranged, the movable sliding rail comprises two fixing rails and a movable sliding block, the two fixing rails are arranged on the fixed base below the two clamping fixing blocks in a straight line and horizontally arranged, the movable sliding block is provided with two fixing blocks and is respectively fixed on the lower surface of the clamping fixing blocks and is arranged in a sliding manner with the fixing rails, two clamping grooves are respectively formed in two opposite ends of the clamping fixing blocks in a longitudinally inward manner, the ejection cylinder is provided with two clamping fixing blocks which are respectively arranged on one side of the clamping grooves, and the piston end of the ejection cylinder penetrates through the clamping fixing blocks and is arranged in the clamping grooves and is provided with a push plate, and the bearing seat is arranged on the fixed base between the two clamping fixing blocks.
The prior art solutions described above have the disadvantage that the clamp may only be suitable for screw rods of a specific specification and type, and that the clamp may need to be redesigned or adjusted for screw rods of different specifications or types, which limits the versatility of the clamp.
Therefore, we propose a clamping fixture for the tail end seat of the screw rod of the numerical control machine tool to solve the above problems.
Disclosure of utility model
The utility model aims to provide a clamping fixture for a screw rod tail end seat of a numerical control machine tool, which aims to solve the problem of low universality in the background technology.
The clamping fixture comprises a base and a workbench, wherein the left side of the workbench is fixedly connected to the right side of the base, a bracket is fixedly connected to the upper left side of the base, a driving mechanism is arranged above the bracket, a clamping mechanism is arranged on the upper surface of the workbench, and the clamping mechanism comprises a left clamping unit and a right clamping unit;
the driving mechanism comprises a push rod, an extension rod, a baffle, a through hole, a concave base I, a sliding groove I, a sliding block I, a connecting block I and a gear strip I, wherein the push rod is fixedly connected above a support, the right side of the push rod is fixedly connected to the left side of the baffle, the extension rod is movably connected inside the push rod, the through hole is formed in the middle of the baffle, the concave base I is fixedly connected to the upper surface of the right side of the baffle, the sliding groove I is formed in the middle of the concave base I, the bottom of the sliding block I is slidably connected to the inner part of the sliding groove I, the upper surface of the sliding block I is fixedly connected to the lower surface of the connecting block, and the gear strip I is fixedly connected to the right side of the connecting block.
Preferably, the push rod is internally provided with a cylinder, the left side of the cylinder is fixedly connected to the left side of the inside of the push rod, the left end of the extension rod is fixedly connected to the output end of the cylinder, the right end of the extension rod passes through the through hole and is fixedly connected to the left side of the connecting block, the cylinder provides a stable power source for the driving mechanism, the movement of the extension rod can be controlled through the extension of the cylinder, and then the opening and closing of the clamping mechanism are realized.
Preferably, the left clamping unit comprises a concave base II, a sliding block II, a connecting block II, a gear strip II, a clamping strip and an anti-slip strip, wherein the concave base II is fixedly connected to one end of the workbench, the sliding block II is slidingly connected to a groove in the concave base II, the bottom of the connecting block II is fixedly connected to the upper surface of the sliding block II, one end of the clamping strip is fixedly connected to the left side of the connecting block II, the anti-slip strip is fixedly connected to the other end of the clamping strip, and the position of the sliding block II in the concave base II can be adjusted by controlling the moving distance and speed of the driving mechanism, so that the clamping force between the clamping strip and the anti-slip strip is adjusted.
Preferably, the left clamping unit and the right clamping unit have the same structure and are respectively arranged at two ends of the workbench, and the symmetrical design ensures the stability of the clamp in the clamping process. The two clamping units can work simultaneously, so that the working efficiency is improved.
Preferably, the first gear column and the second gear column are connected with the left side and the right side of the first gear column in a meshed mode, bearings are rotatably connected to the bottoms of the first gear column and the second gear column, the first gear column and the second gear column are meshed with the second gear column of the left clamping unit and the second gear column of the right clamping unit respectively, and power transmission of the clamping mechanism is achieved through meshing of the gear bars and the gear columns. When the driving mechanism moves, the gear bar can drive the gear column to rotate, so that the sliding block and the clamping bar are driven to move, and clamping action is realized.
Preferably, the clamping strips of the left clamping unit and the clamping strips of the right clamping unit are distributed up and down, so that the clamping strips cannot disturb each other in the moving process.
Preferably, the base and the baffle are L-shaped, and the L-shaped design enables the base and the baffle to firmly support the whole clamp, so that the stability of the clamp is improved.
Compared with the prior art, the utility model has the beneficial effects that:
1. This digit control machine tool lead screw tail end seat clamping fixture has adopted the cylinder as the power supply, and the flexible accurate control fixture of through the cylinder opens and shuts has realized quick, accurate centre gripping action, and left side clamping unit and right side clamping unit structure are the same and be the symmetric distribution, have improved the overall stability of anchor clamps, still make two clamping units can carry out the centre gripping simultaneously.
2. According to the clamping fixture for the screw rod tail end seat of the numerical control machine tool, the friction force between the fixture and a workpiece is enhanced by the anti-slip strips arranged on the clamping strips, so that the workpiece is prevented from falling off in the machining process, and the safety and stability of machining are improved.
Drawings
FIG. 1 is a schematic view of the overall frontal top view of the present utility model;
FIG. 2 is a schematic view of a partial structure of the present utility model;
FIG. 3 is an overall front side view of the present utility model;
FIG. 4 is a schematic overall side elevational view of the present utility model;
FIG. 5 shows a putter according to the present utility model schematic of the internal structure.
In the figure, a base 1, a bracket 101, a push rod 2, an extension rod 201, a cylinder 202, a baffle 3, a through hole 301, a concave base 4, a chute 401, a slide block 402, a connecting block 403, a gear bar 404, a gear column 501, a gear column 502, a bearing 503, a workbench 6, a concave base 701, a slide block 702, a connecting block 703, a gear bar 704, a clamping bar 705 and an anti-slip bar 706 are arranged.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the utility model provides a technical scheme that a clamping fixture for a screw rod tail end seat of a numerical control machine tool comprises a base 1 and a workbench 6, wherein the left side of the workbench 6 is fixedly connected to the right side of the base 1, and the workbench 6 is a main operation platform of the fixture and is used for placing and fixing a workpiece to be machined. Its close connection with the base 1 ensures stability during operation. A bracket 101 is fixedly connected to the upper left side of the base 1, a driving mechanism is arranged above the bracket 101, and the bracket 101 is used for supporting and fixing the driving mechanism to ensure stable movement of the push rod 2 and the extension rod 201. The rigidity and stability of the bracket 101 is critical to the performance of the overall clamp. The upper surface of the workbench 6 is provided with a clamping mechanism, and the clamping mechanism comprises a left clamping unit and a right clamping unit;
The driving mechanism comprises a push rod 2, an extension rod 201, a baffle 3, a through hole 301, a concave base I4, a chute I401, a slide block I402, a connecting block I403 and a gear strip I404, wherein the left side of the push rod 2 is fixedly connected above the bracket 101, the right side of the push rod 2 is fixedly connected to the left side of the baffle 3, and the opening and the closing of the clamping mechanism can be accurately controlled by the driving of the air cylinder 202. The base 1 and the baffle 3 are L-shaped, and the design of the L-shaped base 1 and the baffle 3 not only provides enough supporting area, but also can form good connection with the baffle 3, so that the whole clamp is more stable. The cylinder 202 is arranged in the push rod 2, the left side of the cylinder 202 is fixedly connected to the left side of the push rod 2, the cylinder 202 is used as a power source, and the cylinder 202 provides stable power for the push rod 2 and the extension rod 201, so that the clamping mechanism can respond quickly and accurately. The left end of the extension rod 201 is fixedly connected to the output end of the air cylinder 202, and the right end of the extension rod 201 passes through the through hole 301 and is fixedly connected to the left side of the first connecting block 403.
The extension rod 201 is movably connected to the inside of the push rod 2, the through hole 301 is formed in the middle of the baffle 3, the baffle 3 is used for supporting the extension rod 201, and the through hole 301 allows the extension rod 201 to pass through smoothly. The design of the baffle 3 and the through holes ensures smooth operation of the driving mechanism. The first concave base 4 is fixedly connected to the upper surface of the right side of the baffle 3, the first sliding groove 401 is formed in the middle of the first concave base 4, the bottom of the first sliding block 402 is slidably connected to the inside of the first sliding groove 401, the upper surface of the first sliding block 402 is fixedly connected to the lower surface of the first connecting block 403, the first gear bar 404 is fixedly connected to the right side of the connecting block, the first gear bar 501 and the second gear bar 502 are connected to the left side and the right side of the first gear bar 404 in a meshed mode, the bottoms of the first gear bar 501 and the second gear bar 502 are rotatably connected with bearings 503, the first gear bar 501 and the second gear bar 502 are meshed with the second gear bar 704 of the left clamping unit and the second gear bar 704 of the right clamping unit respectively, and meshing transmission of the gear bars and the gear bars is a key for realizing accurate control of the clamping mechanism. By the movement of the first gear bar 404, the first gear column 501 and the second gear column 502 are driven to rotate, driving the left clamping unit and the right clamping unit, respectively. The concave base one 4 provides a mounting space of the sliding groove one 401, and the sliding of the sliding block one 402 in the sliding groove drives the connecting block one 403 to move, so as to drive the gear strip one 404.
The left clamping unit comprises a second concave base 701, a second sliding block 702, a second connecting block 703, a second gear strip 704, a clamping strip 705 and an anti-slip strip 706, wherein the second concave base 701 is fixedly connected to one end of the workbench 6, the second sliding block 702 is slidably connected to a groove in the second concave base 701, the bottom of the second connecting block 703 is fixedly connected to the upper surface of the second sliding block 702, one end of the clamping strip 705 is fixedly connected to the left side of the second connecting block 703, the anti-slip strip 706 is fixedly connected to the other end of the clamping strip 705, and the clamping strip 705 and the anti-slip strip 706 are designed to firmly fix a workpiece and prevent the workpiece from falling off in the processing process. The left clamping unit and the right clamping unit are identical in structure and are respectively arranged at two ends of the workbench 6, the clamping strips 705 of the left clamping unit and the clamping strips 705 of the right clamping unit are distributed up and down, the left clamping unit and the right clamping unit cannot collide, and clamping and fixing of screw rod tail bases of different sizes are facilitated.
Working principle in the initial state, the cylinder 202 is not activated, and the push rod 2 and the extension rod 201 are in a stationary state. At this time, the grip bars 705 of the left grip unit and the right grip unit are in an open state, ready to grip the workpiece. When the cylinder 202 is activated, its output pushes the extension rod 201 to move rightward. The extension rod 201 drives the first gear bar 404 to move rightward through the first connecting block 403. The movement of gear rack one 404 meshes with gear post one 501 and gear post two 502, driving them to rotate counter-clockwise. The first gear column 501 and the second gear column 502 drive the second gear rack 704 of the left clamping unit and the second gear rack 704 of the right clamping unit through meshing transmission respectively, and movement of the second gear rack 704 drives the second connecting block 703 and the second sliding block 702 to slide rightwards in the groove of the second concave base 701. This causes the grip bar 705 to move in the direction of the anti-slip bar 706 until the workpiece is firmly gripped. By controlling the telescopic distance of the air cylinder 202, the clamping force between the clamping strip 705 and the anti-slip strip 706 can be adjusted to adapt to workpieces of different sizes and materials.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Claims (7)
1. The clamping fixture for the screw rod tail end seat of the numerical control machine tool comprises a base (1) and a workbench (6) and is characterized in that the left side of the workbench (6) is fixedly connected to the right side of the base (1), a support (101) is fixedly connected to the upper left side of the base (1), a driving mechanism is arranged above the support (101), and a clamping mechanism is arranged on the upper surface of the workbench (6) and comprises a left clamping unit and a right clamping unit;
The driving mechanism comprises a push rod (2), an extension rod (201), a baffle (3), a through hole (301), a concave base I (4), a sliding groove I (401), a sliding block I (402), a connecting block I (403) and a gear strip I (404), wherein the left side of the push rod (2) is fixedly connected to the upper side of the support (101), the right side of the push rod (2) is fixedly connected to the left side of the baffle (3), the extension rod (201) is movably connected to the inside of the push rod (2), the through hole (301) is formed in the middle of the baffle (3), the concave base I (4) is fixedly connected to the upper surface of the right side of the baffle (3), the sliding groove I (401) is formed in the middle of the concave base I (4), the bottom of the sliding block I (402) is slidably connected to the inside of the sliding groove I (401), the upper surface of the sliding block I (402) is fixedly connected to the lower surface of the connecting block I (403), and the gear strip I (404) is fixedly connected to the right side.
2. The clamping fixture for the screw rod tail end seat of the numerical control machine tool according to claim 1, wherein an air cylinder (202) is arranged in the push rod (2), the left side of the air cylinder (202) is fixedly connected to the left side in the push rod (2), the left end of the extension rod (201) is fixedly connected to the output end of the air cylinder (202), and the right end of the extension rod (201) passes through the through hole (301) and is fixedly connected to the left side of the first connecting block (403).
3. The clamping fixture for the screw tail end seat of the numerical control machine tool is characterized in that the left clamping unit comprises a second concave base (701), a second sliding block (702), a second connecting block (703), a second gear strip (704), a clamping strip (705) and an anti-slip strip (706), the second concave base (701) is fixedly connected to one end of a workbench (6), the second sliding block (702) is slidably connected to a groove in the second concave base (701), the bottom of the second connecting block (703) is fixedly connected to the upper surface of the second sliding block (702), one end of the clamping strip (705) is fixedly connected to the left side of the second connecting block (703), and the anti-slip strip (706) is fixedly connected to the other end of the clamping strip (705).
4. The clamping fixture for the screw tail end seat of the numerical control machine tool according to claim 1 is characterized in that the left clamping unit and the right clamping unit are identical in structure and are respectively arranged at two ends of the workbench (6).
5. The clamping fixture for the screw tail end seat of the numerical control machine tool is characterized in that a first gear column (501) and a second gear column (502) are connected to the left side and the right side of the first gear column (404) in a meshed mode, bearings (503) are rotatably connected to the bottoms of the first gear column (501) and the second gear column (502), and the first gear column (501) and the second gear column (502) are meshed with a second gear column (704) of a left clamping unit and a second gear column (704) of a right clamping unit respectively.
6. The clamping fixture for the screw tail end seat of the numerical control machine tool according to claim 1, wherein the clamping strips (705) of the left clamping unit and the clamping strips (705) of the right clamping unit are distributed up and down.
7. The clamping fixture for the screw tail end seat of the numerical control machine tool is characterized in that the base (1) and the baffle (3) are L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421188931.4U CN222449401U (en) | 2024-05-29 | 2024-05-29 | Clamping fixture for numerical control machine screw tail end seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421188931.4U CN222449401U (en) | 2024-05-29 | 2024-05-29 | Clamping fixture for numerical control machine screw tail end seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222449401U true CN222449401U (en) | 2025-02-11 |
Family
ID=94457928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421188931.4U Active CN222449401U (en) | 2024-05-29 | 2024-05-29 | Clamping fixture for numerical control machine screw tail end seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222449401U (en) |
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2024
- 2024-05-29 CN CN202421188931.4U patent/CN222449401U/en active Active
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