Machining center clamp with limiting structure
By introducing a limit structure into the machining center fixture, the limiting part and active bevel gear assembly are used to solve the problem of the fixture body being disconnected, and the stable clamping of the workpiece and the safety of the machining center are achieved.
Patent Information
- Application Number
- CN202422014957.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-20
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-08-20
AI Technical Summary
The existing machining center fixtures lack limit structures, which may cause the fixture body to be disconnected from the connection relationship, affecting the stability and safety of machining operations.
A machining center fixture with a limit structure is designed. Through the combination of the fixture seat, limit part, fixture body and active bevel gear assembly, the limit part is fitted and bolted, and combined with the power motor drive, the limiting and stable clamping of the fixture body is achieved.
The stability and safety of the fixture body are improved, the accurate positioning and stable clamping of the workpiece are ensured, the fixtures are prevented from being disconnected from the connection, and the safety of the internal components of the machining center is protected.
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Figure CN223265221U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of machining center fixtures, in particular to a machining center fixture with a limiting structure. Background Art
[0002] Machining center fixtures are key components used to secure workpieces and ensure their accurate position and posture during machining. Their design must conform to the specific shape and machining requirements of the workpiece to achieve efficient and precise machining. The fixture body of a machining center fixture needs to perform reciprocating motion during use, and the operator controls the buttons to achieve the purpose of clamping and fixing the workpiece to be processed. However, in actual operational control, the operator's lack of concentration, negligence, etc. may cause the fixture body to move outward beyond its outer limit of movement. Most machining center fixtures do not have corresponding limit structures, which causes the fixture body to be disconnected from other components, which may cause damage to other components inside the machining center and affect the machining operation of the machining center on the workpiece.
[0003] In summary, there are some problems in the use of machining center fixtures without a limiting structure, so it is hoped to propose a new structure to solve the above technical problems. Summary of the Invention
[0004] In view of the deficiencies in the prior art, the present invention aims to provide a machining center fixture with a limiting structure to solve the problems raised in the above-mentioned background technology.
[0005] The utility model is realized through the following technical solutions: a machining center fixture with a limiting structure, comprising: a fixture seat, a limiting piece, a fixture body and an active bevel gear assembly, the upper surface of the fixture seat is provided with three groups of clamping slides for installing a clamping screw assembly, the inner side of the clamping slide is provided with a clamping screw assembly for driving the fixture body to move, the lower side of the clamping screw assembly close to the center of the fixture seat is provided with an active bevel gear assembly for driving the clamping screw assembly to rotate, the center of the internal composition of the active bevel gear assembly is provided with a rotating shaft, the lower end of the outer side of the rotating shaft is provided with a driven spur gear, the clamping slide is provided with a limiting piece installation groove at the end away from the center of the fixture seat, and the inner side of the limiting piece installation groove is provided with a limiting piece for limiting the outer end of the fixture body.
[0006] As a preferred embodiment, the limiter installation slot is provided with engaging grooves on both sides, the upper ends of the left and right sides of the limiter are provided with engaging blocks, and the engaging blocks and the side surfaces of the engaging groove away from the center of the clamp seat are provided with mounting threaded holes.
[0007] As a preferred embodiment, the limiting member and the limiting member mounting groove are interlocked with each other, and the interlocking block and the interlocking groove are interlocked with each other and are connected and fixed by screwing a bolt into the inner side of the mounting threaded hole;
[0008] A bearing hole is provided on the outer side of the limiting member, and a bearing is installed on the inner side of the bearing hole. The bearing can be installed on the inner side of the limiting member installation groove through the limiting member to limit the outer side of the movement of the clamp body.
[0009] As a preferred embodiment, the clamping screw assembly passes through the inner side of the bearing at one end away from the center of the clamp seat, the clamping screw assembly is provided with a driven bevel gear at one end close to the center of the clamp seat, and the upper end of the outer side of the rotating shaft is provided with a driving bevel gear.
[0010] As a preferred embodiment, the driving bevel gear and the driven bevel gear are engaged with each other, and the lower end of the internal component of the clamp body is provided with a clamping slider, and the side surface of the clamping slider away from the center of the clamp seat is provided with a clamping screw hole, which can simultaneously drive the three groups of clamping screw assemblies to rotate through the mutual engagement of the driving bevel gear and the driven bevel gear.
[0011] As a preferred embodiment, the clamping slider and the clamping slot are movably engaged with each other, the clamping screw assembly is threadedly connected to the clamping screw hole, a clamping seat is provided above the clamping slider, and an arc-shaped clamping plate is provided on the side of the clamping seat close to the center of the clamp seat.
[0012] As a preferred embodiment, a driving spur gear is provided in front of the driven spur gear, the driven spur gear and the driving spur gear are meshed with each other, and a power motor is provided above the driving spur gear;
[0013] A center groove is opened in the center of the upper surface of the clamp seat, and the driving bevel gear assembly is located inside the center groove, which can enable the power motor to drive the driving spur gear to rotate, and then the driven spur gear drives the driving bevel gear assembly to rotate.
[0014] After adopting the above technical solution, the beneficial effects of the utility model are as follows: by adding a clamp seat and a limit piece, the limit piece is embedded in the inner side of the limit piece installation groove, and the engaging block and the engaging groove are engaged with each other, and a bolt is screwed into the installation threaded hole to fix the limit piece, so as to limit the outer limit of movement of the clamp body. By adding a clamp seat, a clamp body, an active bevel gear assembly, a clamping screw assembly and a driven spur gear, a power motor drives the active spur gear to rotate, so that the driven spur gear drives the active bevel gear assembly to rotate, and the active bevel gear drives the three groups of driven bevel gears to rotate, so that the three groups of clamp bodies can move at the same time to clamp and fix the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.
[0016] Figure 1 This is a schematic diagram of the overall structure of a machining center fixture with a limiting structure according to the present invention.
[0017] Figure 2 This is a structural schematic diagram of a machining center fixture with a limiting structure removing a fixture seat according to the present invention.
[0018] Figure 3 The utility model is a structural schematic diagram of a fixture seat in a machining center fixture with a limiting structure.
[0019] Figure 4 This is a structural schematic diagram of a fixture body in a machining center fixture with a limiting structure according to the present utility model.
[0020] Figure 5 The utility model is a structural schematic diagram of a limiting member in a machining center fixture with a limiting structure.
[0021] In the figure, 100-clamp seat, 101-center groove, 102-clamping slide groove, 103-limiting member installation groove, 104-embedded groove;
[0022] 200-limiting piece, 201-fitting block, 202-installation threaded hole, 203-bearing hole;
[0023] 300-clamp body, 301-clamping slider, 302-clamping screw hole, 303-clamping seat, 304-arc clamping plate;
[0024] 400-Clamping screw assembly;
[0025] 500-driving bevel gear assembly;
[0026] 600-driven spur gear. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0028] See also Figures 1 to 5 The present invention provides a technical solution: a machining center fixture with a limiting structure, comprising: a fixture base 100, a limiting member 200, a fixture body 300 and an active bevel gear assembly 500. The upper surface of the fixture base 100 is provided with three groups of clamping grooves 102 for mounting a clamping screw assembly 400;
[0029] A clamping screw assembly 400 is provided inside the clamping chute 102 for driving the clamp body 300 to move. An active bevel gear assembly 500 is provided on the lower side of one end of the clamping screw assembly 400 close to the center of the clamp seat 100 for driving the clamping screw assembly 400 to rotate.
[0030] The center of the internal structure of the active bevel gear assembly 500 is provided with a rotating shaft, and the lower end of the outer side of the rotating shaft is provided with a driven spur gear 600. The clamping groove 102 is provided with a limit member installation groove 103 at one end away from the center of the clamp seat 100, and the inner side of the limit member installation groove 103 is provided with a limit member 200 for limiting the outer end of the clamp body 300.
[0031] The left and right sides of the limiter installation slot 103 are provided with engaging slots 104, the left and right upper ends of the limiter 200 are provided with engaging blocks 201, and the side surfaces of the engaging blocks 201 and the engaging slots 104 away from the center of the clamp seat 100 are provided with mounting threaded holes 202.
[0032] The limiting member 200 is interlocked with the limiting member mounting groove 103, and the interlocking block 201 is interlocked with the interlocking groove 104 and is fixed by screwing a bolt into the inner side of the mounting threaded hole 202;
[0033] A bearing hole 203 is formed on the outer side of the limiting member 200 , and a bearing is installed inside the bearing hole 203 , which can be installed inside the limiting member installation groove 103 through the limiting member 200 to limit the movement of the fixture body 300 to the outside.
[0034] The end of the clamping screw assembly 400 away from the center of the clamp seat 100 passes through the inner side of the bearing. The end of the clamping screw assembly 400 close to the center of the clamp seat 100 is provided with a driven bevel gear, and the upper end of the outer side of the rotating shaft is provided with a driving bevel gear.
[0035] The driving bevel gear and the driven bevel gear are meshed with each other. The lower end of the internal component of the clamp body 300 is provided with a clamping slider 301. The clamping slider 301 is provided with a clamping screw hole 302 on the side of the end away from the center of the clamp seat 100. The driving bevel gear and the driven bevel gear are meshed with each other, so that the driving bevel gear can drive the three groups of clamping screw assemblies 400 to rotate at the same time.
[0036] The clamping slider 301 and the clamping slot 102 are movably engaged with each other, and the clamping screw assembly 400 is threadedly connected to the clamping screw hole 302. A clamping seat 303 is provided above the clamping slider 301, and an arc-shaped clamping plate 304 is provided on the side of the clamping seat 303 near the center of the clamp seat 100.
[0037] A driving spur gear is provided in front of the driven spur gear 600, the driven spur gear 600 and the driving spur gear are meshed with each other, and a power motor is provided above the driving spur gear;
[0038] A center groove 101 is provided at the center of the upper surface of the fixture seat 100 , and the driving bevel gear assembly 500 is located inside the center groove 101 , which enables the power motor to drive the driving spur gear to rotate, and then the driven spur gear 600 drives the driving bevel gear assembly 500 to rotate.
[0039] See also Figure 1-Figure 3 and Figure 5 As the first embodiment of the present utility model: First, the user places the workpiece to be processed on the upper surface of the clamp seat 100, so that the power motor drives the active spur gear to rotate, and then the driven spur gear 600 drives the active bevel gear assembly 500 to rotate. Secondly, the active bevel gear and the driven bevel gear are engaged with each other, so that the rotation of the active bevel gear assembly 500 can simultaneously drive the three groups of clamping screw assemblies 400 to rotate, so that the clamping screw assembly 400 and the clamping screw hole 302 cooperate to drive the three groups of clamp bodies 300 to move outward or inward at the same time, so that the circular workpiece can be clamped at three points, thereby improving the clamping stability of the workpiece.
[0040] See also Figures 1-4 , as the second embodiment of the present utility model: Based on the above-mentioned first embodiment, first, the user embeds the limit member 200 into the inner side of the limit member installation groove 103, and makes the interlocking block 201 and the interlocking groove 104 interlock with each other. Secondly, the user uses a bolt to screw into the installation threaded hole 202 to fix the limit member 200. When the clamp body 300 moves outward, the limit member 200 can limit the outer limit of movement of the clamp body 300, thereby achieving the limiting effect.
[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A machining center fixture with a limiting structure, comprising: A clamp seat (100), a limiting member (200), a clamp body (300) and an active bevel gear assembly (500), characterized in that: the upper surface of the clamp seat (100) is provided with three groups of clamping grooves (102) for installing a clamping screw assembly (400); A clamping screw assembly (400) for driving the clamp body (300) to move is provided on the inner side of the clamping chute (102); an active bevel gear assembly (500) for driving the clamping screw assembly (400) to rotate is provided on the lower side of one end of the clamping screw assembly (400) close to the center of the clamp seat (100); The center of the active bevel gear assembly (500) is provided with a rotating shaft, and the lower end of the outer side of the rotating shaft is provided with a driven spur gear (600). The clamping groove (102) is provided with a limit member installation groove (103) at one end away from the center of the clamp seat (100), and the inner side of the limit member installation groove (103) is provided with a limit member (200) for limiting the outer end of the clamp body (300).
2. A machining center fixture with a limiting structure according to claim 1, characterized in that: The left and right sides of the position-limiting member installation groove (103) are provided with engaging grooves (104), the upper ends of the left and right sides of the position-limiting member (200) are provided with engaging blocks (201), and the side surfaces of the engaging blocks (201) and the engaging groove (104) away from the center of the clamp seat (100) are provided with mounting threaded holes (202).
3. A machining center fixture with a limiting structure according to claim 2, characterized in that: The limiting member (200) and the limiting member mounting groove (103) are interlocked with each other, and the interlocking block (201) and the interlocking groove (104) are interlocked with each other and are connected and fixed by screwing a bolt into the inner side of the mounting threaded hole (202); A bearing hole (203) is provided on the outer side of the limiting member (200), and a bearing is installed inside the bearing hole (203).
4. A machining center fixture with a limiting structure according to claim 3, characterized in that: The clamping screw assembly (400) has one end away from the center of the clamp seat (100) passing through the inner side of the bearing, and the clamping screw assembly (400) has one end close to the center of the clamp seat (100) provided with a driven bevel gear, and the upper end of the outer side of the rotating shaft is provided with a driving bevel gear.
5. The machining center fixture with a limiting structure according to claim 4, characterized in that: The driving bevel gear and the driven bevel gear are meshed with each other. The lower end of the internal component of the clamp body (300) is provided with a clamping slider (301). The side surface of the clamping slider (301) away from the center of the clamp seat (100) is provided with a clamping screw hole (302).
6. The machining center fixture with a limiting structure according to claim 5, characterized in that: The clamping slider (301) and the clamping slot (102) are movably engaged with each other, the clamping screw assembly (400) is threadedly connected to the clamping screw hole (302), a clamping seat (303) is provided above the clamping slider (301), and an arc-shaped clamping plate (304) is provided on one side of the clamping seat (303) close to the center of the clamp seat (100).
7. The machining center fixture with a limiting structure according to claim 1, characterized in that: A driving spur gear is provided on the front side of the driven spur gear (600), the driven spur gear (600) and the driving spur gear are meshed with each other, and a power motor is provided above the driving spur gear; A central groove (101) is provided at the center of the upper surface of the clamp seat (100), and the driving bevel gear assembly (500) is located inside the central groove (101).