Fixing clamp for machining inclined holes with different inclination angles
By designing a fixed fixture including a motor, limiting clip and movable arm, the problem of adjusting the workpiece inclination angle is solved, and the workpiece is accurately drilled at a specific angle is achieved, which improves the processing quality and efficiency and reduces costs.
Patent Information
- Application Number
- CN202422379210.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-09-29
AI Technical Summary
The prior art cannot effectively adjust the inclination angle of the workpiece, resulting in inaccurate drilling of the workpiece at a specific angle, affecting the installation and mechanical performance of the parts, and frequent replacement of the workpiece or adjusting the machine tool increases costs and reduces processing quality.
A fixed fixture is designed, including a fixing plate, clamp groove, motor, limit clamp, connecting seat, movable arm and electric cylinder. The rotation angle of the clamp arm is adjusted by motor drive, and the inner seal bearing is maintained with stable rotation. The electric cylinder controls the clamp arm to expand and contract, and the movable arm drives the active shaft to flip, achieving accurate adjustment of the tilt angle of the workpiece.
It realizes flexible adjustment of the workpiece inclination angle, improves machining accuracy and efficiency, reduces the frequency of workpiece replacement and machine tool adjustment, and reduces processing costs.
Smart Images

Figure CN223130023U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of workpiece inclined hole machining, and relates to a fixed fixture for machining inclined holes with different inclination angles. Background Art
[0002] Workpiece clamping and machining is an important link in machining, which involves fixing the workpiece on a machine tool or fixture for various machining operations. The main purpose of clamping the workpiece is to ensure that the workpiece remains stationary during machining, prevent the workpiece from moving or deforming, and thus ensure the machining accuracy and quality. During the workpiece clamping and machining process, if the angle cannot be adjusted for inclined hole drilling operations, a series of problems may occur. The following is a detailed elaboration of this problem:
[0003] Because many workpieces need to be drilled at specific angles to meet their design or functional requirements. For example, some mechanical parts need to install bolts or other fasteners at specific angles. If the drilling angle is inaccurate, the parts cannot be correctly installed, which will affect the performance of the entire machine.
[0004] For some workpieces that need to drill holes at multiple angles, if the angle cannot be adjusted, the workpiece needs to be replaced or the machine tool needs to be adjusted multiple times, which not only wastes time but also increases the machining cost. In addition, frequent replacement of the workpiece or adjustment of the machine tool may also cause the accuracy of the machine tool to decline, further affecting the machining quality. Therefore, there is an urgent need for a fixed fixture for machining inclined holes with different inclination angles to solve the above problems. Summary of the Utility Model
[0005] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a fixed fixture for machining inclined holes with different inclination angles to solve the problems raised in the above background art.
[0006] The utility model is realized through the following technical solutions: A fixed fixture for machining inclined holes with different inclination angles includes: a fixed plate and a clamping groove. A motor for adjusting the rotation angles of three groups of clamping arms is arranged on the right side of the fixed plate;
[0007] A limit clip for limiting and fixedly connecting the outside of the motor is arranged outside the motor. A connecting seat for supporting and connecting the motor, the side driving shaft and the side driven shaft is arranged on the right side of the motor;
[0008] A group of movable bearings for movably connecting with the side driven shaft are arranged on the front side of the connecting seat. A side driving shaft for driving the connecting seat to rotate and adjust is arranged on the rear side of the connecting seat. A movable arm for driving the side driving shaft to rotate is arranged on the rear side of the side driving shaft, and the rotation angle of the side driving shaft and the connecting seat can be adjusted by using the movable arm.
[0009] As a preferred embodiment, a fixed rotating shaft for power connection with an external driving motor is provided inside the left side of the movable arm, and a set of inner sealing bearings for limiting the rotation of the adjusting shaft are provided inside the right side of the connecting seat, and the rotation stability of the adjusting shaft and the bearing seat can be maintained by using the inner sealing bearings.
[0010] As a preferred embodiment, a set of adjusting shafts for adjusting the rotation position of the bearing seat are provided inside the inner side of the inner sealing bearing, several sets of connecting wires for adjusting the electric cylinders inside the bearing seat are provided at the upper end of the bearing seat, and three electric cylinders for controlling the expansion and contraction of three groups of clamping arms are respectively provided inside the bearing seat, and the expansion and contraction of a group of clamping arms can be controlled respectively by using the three electric cylinders.
[0011] As a preferred embodiment, a set of clamping arms for clamping the workpiece are provided on the right side of each electric cylinder, and a clamping groove for placing and clamping the workpiece is provided inside the inner sides of the three groups of clamping arms.
[0012] As a preferred embodiment, the fixed plate and the left side of the motor are fixedly connected by bolts, the outside of the motor and the limit clip are connected by an embedding method, the right side of the motor is embedded and installed inside the connecting seat, and the right side of the motor is the driving end, and the adjusting shaft can be driven to rotate by using the motor, and the processing angle of the clamped workpiece can be adjusted by the adjusting shaft.
[0013] As a preferred embodiment, the driving end is in power connection with the adjusting shaft, the right side of the adjusting shaft is fixedly connected with the inside of the left side of the bearing seat by embedding, the bearing seat is a rotating structure, the inside of the bearing seat is in embedded connection with the three electric cylinders, and each electric cylinder is separately controlled and connected with a group of clamping arms.
[0014] As a preferred embodiment, the side driving shaft is fixedly connected with the connecting seat and the movable arm, the movable arm is a movable mechanism, and the rotation midpoint of the movable arm is arranged at the center of the cross-section at the connection between the movable arm and the fixed rotating shaft, and the side driving shaft and the connecting seat can be driven to turn by using the movable arm and the fixed rotating shaft, so as to adjust the inclination angle of the clamped workpiece.
[0015] After adopting the above technical solution, the beneficial effects of the present utility model are as follows: the rotation angle of the side driving shaft and the connecting seat is adjusted by using the movable arm, the rotation stability of the adjusting shaft and the bearing seat is maintained by using the inner sealing bearings, the expansion and contraction of a group of clamping arms are controlled respectively by using the three electric cylinders, the adjusting shaft is driven to rotate by using the motor, and the processing angle of the clamped workpiece is adjusted by the adjusting shaft, and the inclination angle of the clamped workpiece is adjusted by using the movable arm and the fixed rotating shaft to drive the side driving shaft and the connecting seat to turn. Description of the Drawings
[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the attached drawings required for the description of the embodiments or the prior art. Obviously, the attached drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other attached drawings can also be obtained based on these attached drawings.
[0017] Figure 1 It is a left front oblique side top view structural schematic diagram of a fixed fixture for machining inclined holes with different inclination angles of the present invention;
[0018] Figure 2 It is a left oblique rear side top view structural schematic diagram of a fixed fixture for machining inclined holes with different inclination angles of the present invention;
[0019] Figure 3 It is a right view structural schematic diagram of three groups of clamping arms in a fixed fixture for machining inclined holes with different inclination angles of the present invention;
[0020] Figure 4 It is a rear side top view structural schematic diagram of a connecting seat in a fixed fixture for machining inclined holes with different inclination angles of the present invention;
[0021] In the figure: 100 - fixing plate, 110 - motor, 120 - limit clamp, 130 - connecting seat, 140 - side driving shaft, 150 - movable arm, 160 - fixed rotating shaft, 170 - side driven shaft, 180 - adjusting shaft, 190 - bearing seat, 200 - connecting wire, 210 - clamping arm, 220 - connecting bolt, 230 - clamping groove. Specific embodiments
[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the attached drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.
[0023] Please refer to Figures 1-4 , a fixed fixture for machining inclined holes with different inclination angles, including: a fixing plate 100, a movable arm 150, a clamping arm 210, and a clamping groove 230. A motor 110 for adjusting the rotation angles of the three groups of clamping arms 210 is provided on the right side of the fixing plate 100;
[0024] A limit clamp 120 for limiting and fixedly connecting the outside of the motor 110 is provided outside the motor 110. A connecting seat 130 for supporting and connecting the motor 110, the side driving shaft 140, and the side driven shaft 170 is provided on the right side of the motor 110;
[0025] A set of movable bearings for movably connecting with the side driven shaft 170 are provided on the front side of the connecting seat 130. A side driving shaft 140 for driving the connecting seat 130 to rotate and adjust is provided on the rear side of the connecting seat 130. An activity arm 150 for driving the side driving shaft 140 to rotate is provided on the rear side of the side driving shaft 140. The rotation angle of the side driving shaft 140 and the connecting seat 130 can be adjusted by using the activity arm 150.
[0026] A fixed rotating shaft 160 for power connection with an external driving motor is provided inside the left side of the activity arm 150. A set of inner sealing bearings for limiting the rotation of the adjusting shaft 180 are provided inside the right side of the connecting seat 130. The rotation stability of the adjusting shaft 180 and the bearing seat 190 can be maintained by using the inner sealing bearings.
[0027] A set of adjusting shafts 180 for adjusting the rotation position of the bearing seat 190 are provided inside the inner side of the inner sealing bearings. A number of connecting wires 200 for adjusting the electric cylinders inside the bearing seat 190 are provided on the upper end of the bearing seat 190. Three electric cylinders for controlling the expansion and contraction of the three groups of clamping arms 210 are respectively provided inside the bearing seat 190. The expansion and contraction of a group of clamping arms 210 can be controlled respectively by using the three electric cylinders.
[0028] A set of clamping arms 210 for clamping the workpiece are provided on the right side of each electric cylinder. A clamping groove 230 for placing and clamping the workpiece is provided inside the inner side of the three groups of clamping arms 210.
[0029] The fixing plate 100 and the left side of the motor 110 are fixedly connected by bolts. The outer side of the motor 110 and the limit clip 120 are connected by an embedding method. The right side of the motor 110 is embedded and installed inside the connecting seat 130, and the right side of the motor 110 is the driving end. The adjusting shaft 180 can be driven to rotate by using the motor 110, and the processing angle of the clamped workpiece can be adjusted by the adjusting shaft 180.
[0030] The driving end is in power connection with the adjusting shaft 180. The right side of the adjusting shaft 180 is fixedly connected with the inside of the left side of the bearing seat 190 by embedding. The bearing seat 190 is a rotating structure. The inside of the bearing seat 190 is in embedded connection with the three electric cylinders, and each electric cylinder is separately controlled and connected with a group of clamping arms 210.
[0031] The side driving shaft 140 is fixedly connected with the connecting seat 130 and the activity arm 150. The activity arm 150 is an activity mechanism. The rotation midpoint of the activity arm 150 is set at the center of the cross-section of the connection part between the activity arm 150 and the fixed rotating shaft 160. The side driving shaft 140 and the connecting seat 130 can be driven to turn over by using the activity arm 150 and the fixed rotating shaft 160, so as to adjust the inclination angle of the clamped workpiece.
[0032] Please refer to Figures 1-4 , as the first embodiment of the present utility model: To solve the problem that many workpieces need to be drilled at specific angles to meet their design or functional requirements. For example, some mechanical parts need to install bolts or other fasteners at specific angles. If the drilling angle is inaccurate, the parts cannot be correctly installed, thus affecting the overall mechanical performance. First, the staff places the workpiece to be processed inside the inner sides of the three groups of clamping arms 210. Since there are several groups of connecting wires 200 for adjusting the electric cylinders inside the bearing seat 190 provided at the upper end of the bearing seat 190, and three electric cylinders for controlling the expansion and contraction of the three groups of clamping arms 210 are respectively provided inside the bearing seat 190, and the three electric cylinders respectively control one group of clamping arms 210 to clamp the workpiece. Subsequently, the staff starts the external driving motor to operate. The external driving motor drives the fixed rotating shaft 160 to rotate, and the fixed rotating shaft 160 drives the movable arm 150 and the side driving shaft 140 to tilt and flip the connecting seat 130, thereby driving the angle adjustment of the bearing seat 190 and the inner workpiece.
[0033] Please refer to Figures 1-4 , as the second embodiment of the present utility model: Based on the description in the above embodiment, further, since the fixed plate 100 is fixedly connected to the left side of the motor 110 by bolts, and the outer side of the motor 110 is connected to the limit clamp 120 by an embedding method, and the right side of the motor 110 is embedded and installed inside the connecting seat 130. When the motor 110 is started, the driving end of the motor 110 can drive the adjusting shaft 180 and the bearing seat 190 to rotate in the front-rear direction, thereby performing the front-rear direction rotation adjustment on the workpiece, so that the staff can perform multi-angle processing on the workpiece.
[0034] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A fixed fixture for machining inclined holes with different inclination angles, comprising: A fixed plate (100), a movable arm (150), a fixed rotating shaft (160), clamping arms (210), and a clamping groove (230), characterized in that: a motor (110) for adjusting the rotation angles of the three groups of clamping arms (210) is provided on the right side of the fixed plate (100); A limit clip (120) for limiting and fixedly connecting the outside of the motor (110) is provided on the outside of the motor (110), and a connecting seat (130) for supporting and connecting the motor (110), a side driving shaft (140), and a side driven shaft (170) is provided on the right side of the motor (110); A set of movable bearings for movably connecting with the side driven shaft (170) are provided on the front side of the connecting seat (130), a side driving shaft (140) for driving the connecting seat (130) to rotate and adjust is provided on the rear side of the connecting seat (130), and a movable arm (150) for driving the side driving shaft (140) to rotate is provided on the rear side of the side driving shaft (140).
2. The fixed fixture for machining inclined holes with different inclination angles according to claim 1, characterized in that: A fixed rotating shaft (160) for power-connecting with an external driving motor is provided inside the left side of the movable arm (150), and a set of inner sealing bearings for limiting the rotation of an adjusting shaft (180) are provided inside the right side of the connecting seat (130).
3. A fixed fixture for machining inclined holes with different inclination angles according to claim 2, characterized in that: A set of adjusting shafts (180) for adjusting the rotation position of a bearing seat (190) are provided inside the inner side of the inner sealing bearing, a number of connecting wires (200) for adjusting an electric cylinder inside the bearing seat (190) are provided at the upper end of the bearing seat (190), and three electric cylinders for controlling the expansion and contraction of the three groups of clamping arms (210) are respectively provided inside the bearing seat (190).
4. A fixed fixture for machining inclined holes with different inclination angles according to claim 3, characterized in that: A clamping arm (210) for clamping a workpiece is provided on the right side of each electric cylinder, and a clamping groove (230) for placing and clamping the workpiece is provided on the inner side of the three groups of clamping arms (210).
5. A fixed fixture for machining inclined holes with different inclination angles according to claim 1, characterized in that: The fixed plate (100) and the left side of the motor (110) are fixedly connected by bolts, the outside of the motor (110) and the limit clip (120) are connected by an embedding method, the right side of the motor (110) is embedded and installed inside the connecting seat (130), and the right side of the motor (110) is the driving end.
6. The fixed fixture for machining inclined holes with different inclination angles according to claim 5, characterized in that: The driving end is power-connected with the adjusting shaft (180), the right side of the adjusting shaft (180) is fixedly connected with the inside of the left side of the bearing seat (190) by embedding, the bearing seat (190) is a rotating structure, the inside of the bearing seat (190) is embedded and connected with the three electric cylinders, and each electric cylinder is individually controlled and connected with a clamping arm (210).
7. A fixed fixture for machining inclined holes with different inclination angles according to claim 1, characterized in that: The side driving shaft (140) is fixedly connected with the connecting seat (130) and the movable arm (150), the movable arm (150) is a movable mechanism, and the rotation midpoint of the movable arm (150) is arranged at the center of the cross-section at the connection between the movable arm (150) and the fixed rotating shaft (160).