Machining center milling machine fixture
By introducing a fixed rod and a motor drive mechanism into the milling machine fixture, the clamps are easily disassembled and replaced, which solves the problem of inaccurate positioning of the clamps after wear, and improves the machining accuracy and equipment maintenance efficiency.
Patent Information
- Application Number
- CN202420300632.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-19
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-02-19
AI Technical Summary
The clamps of existing machining center milling machine fixtures wear out after long-term use, resulting in inaccurate positioning and inconvenient replacement and maintenance.
A milling machine fixture including a base plate, a clamp, a fixing rod, a strip groove and a driving mechanism is designed. Through the threaded connection between the fixing rod and the clamp and the motor drive, the clamp is realized easily disassembled and replaced.
It realizes rapid replacement and maintenance of clamps, ensures workpiece positioning accuracy and extends the service life of the clamp.
Smart Images

Figure CN222779151U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tooling fixtures, in particular to a fixture for a milling machine in a machining center. Background Art
[0002] In the process of milling machine processing workpiece, fixture plays a very important role. At present, the Chinese utility model patent with announcement number CN213164166U discloses a fixture device for CNC milling machine processing center, including a base plate, slide grooves are arranged on both sides of the base plate, columns are connected on both sides of the base plate, the columns are provided with threaded sleeves, the threaded sleeves are connected with screws, a rotating disk is connected to one side of the screw, and a clamp is connected to the other side of the screw. Two mounting grooves are arranged on the top of the clamp, and an adjustment column is installed in the mounting groove. The adjustment column is connected with an extrusion plate, and the adjustment column is provided with a plurality of countersunk holes. The back of the clamp is fixedly connected with an adjustment block, and the adjustment block is provided with a plurality of pin holes. The back of the clamp is provided with matching jacks at the corresponding pin holes. A compression spring is installed in the adjustment block, and a pad is connected to the free end of the compression spring. Two sliding columns are connected to the surface of the pad, and the sliding column runs through the top of the adjustment block and extends to the outside thereof. A fixed block is connected to the top of the sliding column, and an extrusion spring is installed in the fixed block. The free end of the extrusion spring is connected with the extrusion block, and the extrusion block is connected with a fixed column, and the fixed column is installed in the countersunk hole.
[0003] After long-term use, the surface of the clamp will be worn, which will affect the positioning of the workpiece. However, since the above-mentioned clamp is not easy to disassemble, the clamp is not easy to replace and maintain. For this reason, we propose a machining center milling machine clamp to solve the problem of the above-mentioned clamp. Utility Model Content
[0004] The utility model aims to provide a milling machine fixture for a machining center to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above object, the utility model provides the following technical solution: a milling machine fixture for a machining center, comprising a base plate, a clamping plate symmetrically arranged at the top of the base plate, a disassembly assembly arranged at the top of the base plate, and the disassembly assembly comprising:
[0006] A fixing rod, the fixing rod being threadedly inserted and connected to the bottom end of the clamping plate;
[0007] A strip groove, the strip groove is arranged at the top of the bottom plate, and the fixing rod is movably connected with the strip groove;
[0008] The driving mechanism is arranged at the bottom end of the base plate and is used to drive the clamping plate to move relative to each other.
[0009] Preferably, the bottom end of the fixing rod is in a stepped shape, and a bearing is provided on the outer wall of the bottom of the fixing rod.
[0010] Preferably, the driving mechanism includes a motor, which is arranged at the bottom end of the base plate, and the output shaft of the motor is provided with a rotating plate, both ends of the rotating plate are provided with through holes, both ends of the rotating plate are provided with connecting pieces connected to two fixed rods, and the output shaft of the motor is provided with a first limit assembly.
[0011] Preferably, the connecting member includes a connecting rod, a U-shaped block is provided at one end of the connecting rod, a bolt is threadedly inserted and connected to the top end of the U-shaped block, the outer wall of the bolt is movably inserted and connected to the inner wall of the through hole, the other end of the connecting rod is fixedly connected to a ring, the ring is sleeved on the bearing, and the bottom end of the fixed rod is threadedly connected to a first nut.
[0012] Preferably, the first limiting assembly comprises a limiting block, the limiting block is fixedly connected to the outer wall of the motor output shaft, and a limiting groove is arranged in the middle of the rotating plate.
[0013] Preferably, the clamping portion of the clamping plate is provided with an anti-slip component, and the two sides of the base plate are provided with a second limiting component for preventing the clamping plate from deflecting.
[0014] Preferably, the anti-skid component comprises an anti-skid pad, the anti-skid pad is arranged at the clamping position of the clamping plate, and the surface of the anti-skid pad is provided with an anti-skid texture.
[0015] Preferably, the second limiting assembly comprises a slide groove, the slide groove is arranged on both sides of the bottom plate, an L-shaped slider is arranged inside the slide groove, and the top end of the L-shaped slider is fixedly connected to the bottom end of the clamping plate.
[0016] Technical effects and advantages of the utility model:
[0017] The utility model arranges a fixing rod and a strip groove, utilizes the threaded insertion connection of the fixing rod and the clamping plate, and can remove the clamping plate from the base by unscrewing the fixing rod and the clamping plate, so as to maintain and replace the clamping plate, thereby solving the problem that the clamping plate in the existing clamp is inconvenient to replace. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0019] Figure 2 It is a structural schematic diagram of the driving mechanism of the utility model.
[0020] Figure 3 It is a schematic diagram of the cross-sectional structure of the clamping plate of the utility model.
[0021] Figure 4 It is a structural schematic diagram of the motor of the utility model.
[0022] Figure 5 For this utility model Figure 3 Schematic diagram of the enlarged structure at point A in the middle.
[0023] In the figure: 1, bottom plate; 2, strip groove; 3, clamping plate; 4, anti-skid pad; 5, fixing rod; 501, bearing; 502, first nut; 6, connecting rod; 601, U-shaped block; 602, bolt; 603, collar; 7, motor; 701, limit block; 702, limit groove; 8, rotating plate; 801, through hole; 9, slide groove; 10, L-shaped slider. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] The utility model provides Figure 1-4 The shown type of machining center milling machine fixture includes a base plate 1, and a clamping plate 3 is symmetrically arranged on the top of the base plate 1. The number of the clamping plates 3 is two, and the clamping position of the clamping plate 3 is provided with an anti-skid component. The anti-skid component includes an anti-skid pad 4, and the anti-skid pad 4 is arranged at the clamping position of the clamping plate 3. The surface of the anti-skid pad 4 is provided with an anti-skid texture. The anti-skid pad 4 can increase the friction between the clamping plate 3 and the workpiece to prevent the workpiece and the clamping plate 3 from slipping. A second limiting component for preventing the clamping plate 3 from deflecting is arranged on both sides of the base plate 1. The second limiting component includes a slide groove 9, and the slide groove 9 is arranged on both sides of the base plate 1. An L-shaped slider 10 is arranged inside the slide groove 9. The top end of the L-shaped slider 10 is fixedly connected to the bottom end of the clamping plate 3. There are two slide grooves 9, and each slide groove 9 has an L-shaped slider 10 inside. The cooperation between the slide groove 9 and the L-shaped slider can also guide the movement of the clamping plate 3.
[0026] Preferably, a disassembly assembly is provided at the top of the base plate 1, and the disassembly assembly includes a fixing rod 5, which is threadedly inserted and connected to the bottom end of the splint 3, and the bottom end of the fixing rod 5 is in a stepped shape. The outer wall of the bottom of the fixing rod 5 is provided with a bearing 501, a strip groove 2, and the strip groove 2 is provided at the top of the base plate 1. The fixing rod 5 is movably inserted and connected with the strip groove 2. The number of the fixing rods 5 is equal to the number of the splints 3, and the top and bottom ends of the fixing rod 5 are both provided with threads. The bottom end of the fixing rod 5 is a three-step ladder, and the outer diameter at the bottom end of the fixing rod 5 is the smallest. The outer wall of the second step is provided with a bearing 501, and the outer diameter of the third step is the largest.
[0027] Furthermore, a driving mechanism is arranged at the bottom end of the base plate 1 for driving the clamping plate 3 to move relative to each other. The driving mechanism includes a motor 7, which is arranged at the bottom end of the base plate 1. The connection between the motor 7 and the base plate 1 is a detachable connection. The motor 7 is fixed to the bottom end of the base plate 1 by installing bolts. The output shaft of the motor 7 is provided with a rotating plate 8. Through holes 801 are provided at both ends of the rotating plate 8. The output shaft of the motor 7 is provided with a first limiting component, which includes a limiting block 701. The limiting block 701 is fixedly connected to the outer wall of the output shaft of the motor 7. A limiting groove 702 is provided in the middle of the rotating plate 8. The limiting groove 702 is sleeved on the outer wall of the limiting block 701 and the output shaft of the motor 7, and the end of the output shaft of the motor 7 is fixedly connected with a threaded head. The outer wall thread of the threaded head is threadedly inserted with a second nut. The second nut is used to fix the rotating plate 8 to prevent the rotating plate 8 from falling off the output shaft of the motor 7.
[0028] Furthermore, the connecting members are arranged at both ends of the rotating plate 8, and each of the connecting members is two, and the connecting members include a connecting rod 6, and a U-shaped block 601 is arranged at one end of the connecting rod 6, and a bolt 602 is inserted and connected with the top thread of the U-shaped block 601, and the outer wall of the bolt 602 is movably inserted and connected with the inner wall of the through hole 801, and the connection between the connecting rod 6 and the rotating plate 8 can rotate, and the other end of the connecting rod 6 is fixedly connected with a collar 603, and the collar 603 is sleeved on the bearing 501, and the bottom end of the fixed rod 5 is threadedly connected with the first nut 502, There are two connecting rods 6, each of which has a U-shaped block 601 and a collar 603, and the inner diameter of the collar 603 is smaller than the maximum outer diameter of the fixed rod 5. The outer diameter of the top of the first nut 502 is larger than the inner diameter of the collar 603. The first nut 502 can prevent the connecting rod 6 and the fixed rod 5 from falling off. When in use, place the workpiece on the top of the base plate 1, start the motor 7, and use the motor 7 to drive the rotating plate 8 to rotate, so that the rotating plate 8 drives the two clamping plates 3 to move relative to each other under the action of the connecting rod 6 to clamp the workpiece.
[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A milling machine fixture for a machining center, comprising a base plate (1), a clamping plate (3) symmetrically arranged on the top of the base plate (1), characterized in that: A disassembly assembly is provided at the top end of the bottom plate (1), and the disassembly assembly comprises: A fixing rod (5), wherein the fixing rod (5) is threadedly inserted and connected to the bottom end of the clamping plate (3); A strip groove (2), the strip groove (2) being arranged at the top end of the bottom plate (1), the fixing rod (5) being movably connected with the strip groove (2); A driving mechanism is arranged at the bottom end of the base plate (1) and is used to drive the clamping plate (3) to move relative to one another.
2. A milling machine fixture for a machining center according to claim 1, characterized in that: The bottom end of the fixing rod (5) is in a stepped shape, and a bearing (501) is provided on the outer wall of the bottom of the fixing rod (5).
3. A milling machine fixture for a machining center according to claim 2, characterized in that: The driving mechanism comprises a motor (7), the motor (7) being arranged at the bottom end of the base plate (1), the output shaft of the motor (7) being provided with a rotating plate (8), both ends of the rotating plate (8) being provided with through holes (801), both ends of the rotating plate (8) being provided with connecting pieces connected to two fixing rods (5), and the output shaft of the motor (7) being provided with a first limit assembly.
4. A milling machine fixture for a machining center according to claim 3, characterized in that: The connecting member comprises a connecting rod (6), one end of which is provided with a U-shaped block (601), the top end of the U-shaped block (601) is threadedly connected with a bolt (602), the outer wall of the bolt (602) is movably connected with the inner wall of the through hole (801), the other end of the connecting rod (6) is fixedly connected with a collar (603), the collar (603) is sleeved on the bearing (501), and the bottom end of the fixing rod (5) is threadedly connected with a first nut (502).
5. The milling machine fixture for a machining center according to claim 3, characterized in that: The first limiting assembly comprises a limiting block (701), the limiting block (701) is fixedly connected to the outer wall of the output shaft of the motor (7), and a limiting groove (702) is provided in the middle of the rotating plate (8).
6. The milling machine fixture for a machining center according to claim 1, characterized in that: The clamping portion of the clamping plate (3) is provided with an anti-slip component, and the two sides of the base plate (1) are provided with second limiting components for preventing the clamping plate (3) from deflecting.
7. A milling machine fixture for a machining center according to claim 6, characterized in that: The anti-skid component comprises an anti-skid pad (4), the anti-skid pad (4) is arranged at the clamping position of the clamping plate (3), and the surface of the anti-skid pad (4) is provided with an anti-skid texture.
8. The milling machine fixture for a machining center according to claim 6, characterized in that: The second limiting component comprises a slide groove (9), wherein the slide groove (9) is arranged on both sides of the base plate (1), an L-shaped slider (10) is arranged inside the slide groove (9), and the top end of the L-shaped slider (10) is fixedly connected to the bottom end of the clamping plate (3).
Citation Information
Patent Citations
Machining center tool clamp device of numerical control milling machine
CN213164166U