Numerically controlled lathe spindle box assembly fixture
By introducing adjustment and limiting components into the CNC lathe spindle box assembly fixture, combined with hydraulic drive and electromagnetic adsorption, the problem of poor adaptability of traditional fixtures is solved, enabling precise clamping and stable positioning of diverse spindle boxes and improving production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN WEINUO MACHINERY EQUIPMENT CO LTD
- Filing Date
- 2025-07-03
- Publication Date
- 2026-07-14
AI Technical Summary
Traditional CNC lathe spindle box assembly fixtures are difficult to adapt to diverse spindle box shapes and sizes, resulting in reduced clamping effect and low production efficiency.
The design employs a combination of adjustment and limit components, using a combination of components such as contact rods, springs, rubber pads, and electromagnets to achieve dynamic adaptive clamping. Combined with hydraulic cylinder drive and limit structure, it achieves flexible contact and rigid fixation, adapting to spindle boxes of different shapes.
It achieves precise positioning and stable clamping of irregularly shaped workpieces, avoids displacement deviation during the clamping process, and improves production efficiency and clamping effect.
Smart Images
Figure CN224488935U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to numerical control lathe technical field, especially, relate to a numerical control lathe spindle box assembly fixture. BACKGROUND
[0002] In the production process of numerical control lathe, spindle box as important component, bears the key task of supporting spindle and transmission cutting force, in order to ensure the accurate machining of spindle box, the design of spindle box assembly fixture is crucial, and the traditional spindle box assembly fixture is mostly fixed fixture, and its structure and clamping mode are relatively single, and it is usually designed to adapt to a certain shape of spindle box, with the development of numerical control lathe technology, the shape and size of spindle box gradually diversify, which puts forward higher requirements for the versatility of the fixture.
[0003] In actual production and assembly process, the shape of spindle box is different, including different external contour, hole position, surface feature and other factors, which makes the traditional fixture difficult to cope with various types of spindle box, and the existing single fixture cannot be adjusted for different shapes of spindle box, and the traditional fixture can only adapt to single spindle box shape, and different workpieces need to be frequently replaced, resulting in low production efficiency, therefore, the numerical control lathe spindle box assembly fixture is provided to solve the above problems. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at providing a numerical control lathe spindle box assembly fixture, which solves the problem of single fixture in the prior art that cannot be adjusted for different shapes of spindle box, resulting in reduced clamping effect, through the cooperation of the adjusting assembly and the limiting assembly.
[0005] To solve the above technical problems, the utility model is realized by the following technical scheme.
[0006] The utility model relates to a numerical control lathe spindle box assembly fixture, which comprises a placing plate, a first clamping box is arranged at the top rear side of the placing plate, a second clamping box is arranged at the top front side of the placing plate, an adjusting assembly is arranged in the first clamping box and the second clamping box, the adjusting assembly comprises a contact rod arranged in the first clamping box and the second clamping box, a spring fixedly connected to one end of the contact rod, and a rubber pad fixedly connected to the other end of the contact rod, the adjusting assembly can adjust the extension length of the contact rod, a limiting assembly is arranged in the first clamping box and the second clamping box, the limiting assembly comprises a fixed plate arranged in the first clamping box and the second clamping box, a fixed rod arranged in the fixed plate, a vertical rod fixedly connected to the top of the fixed rod, and an anti-moving plate fixedly connected to one side of the vertical rod, and the limiting assembly can fix the contact rod.
[0007] The utility model further sets up, the fixed connection has the mounting panel in the top rear side of the placing panel, the first clamping box is fixedly connected in the front side of mounting panel through bolt.
[0008] The utility model further sets up, the fixed connection has the vertical board in the front side of placing panel, the fixed connection has the first hydraulic cylinder in the front side of vertical board, the fixed connection has the push board in the output end of first hydraulic cylinder, the second clamping box is fixedly connected on the push board through bolt.
[0009] The utility model further sets up, the contact rod is even set in the inside of first clamping box and second clamping box in horizontal and longitudinal direction, and the other end of spring is fixedly connected in the inside of first clamping box and second clamping box.
[0010] The utility model further sets up, the inside of first clamping box and second clamping box is fixedly connected with the electromagnet, and the inside of first clamping box, second clamping box, electromagnet and fixed plate all are provided with the access hole that is adapted with contact rod.
[0011] The utility model further sets up, the side of first clamping box and second clamping box is fixedly connected with second hydraulic cylinder, and the output end of second hydraulic cylinder is fixedly connected with fixed link.
[0012] The utility model further sets up, the side of anti -moving board close contact rod is provided with the quarter circular recess, and the inside of fixed plate is provided with the movement slot that is adapted with fixed link.
[0013] The utility model has the following beneficial effects.
[0014] 1. The utility model discloses a contact rod and spring elastic cooperation, and the dynamic adaptation of different shapes and sizes of spindle box surface profile is realized, when first hydraulic cylinder pushes second clamping box close, the protruding part extrudes contact rod and retracts, and the spring automatically ejects rubber pad and fills the gap, so that the accurate positioning of special-shaped workpiece is completed without replacing the clamp, and the double fixing mechanism of electromagnet energization adsorption contact rod is matched, so that the uniform distribution of clamping force is ensured, the displacement deviation caused by machining vibration is avoided, the elastic deformation of adjusting assembly is adapted to workpiece profile, and then the position of contact rod is locked by limiting assembly, dynamic self-adapting clamping is realized, and the technical problem that traditional clamp cannot be compatible with special-shaped workpiece is solved.
[0015] 2. The utility model discloses a first hydraulic cylinder drive push board, realizes stepless adjustment of the distance between first clamping box and second clamping box, and the locking time of anti -moving board is accurately controlled with second hydraulic cylinder, forms the step clamping mode of " flexible contact - rigid fixation", and in combination with the contact surface of anti -moving board quarter circular recess, the stable position of contact rod can be kept, and the displacement of contact rod in the process of clamping spindle box is avoided.
[0016] Of course, any product implementing the present application does not necessarily need to achieve all the advantages mentioned above simultaneously. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed for the description of the embodiments will be briefly introduced as follows.
[0018] Figure 1 It is a perspective view of a numerical control lathe spindle box assembly fixture.
[0019] Figure 2 It is a perspective view of a contact rod and a spring in a numerical control lathe spindle box assembly fixture.
[0020] Figure 3 It is a rear view of a first clamping box in a numerical control lathe spindle box assembly fixture.
[0021] Figure 4 It is a perspective view of a fixed plate in a numerical control lathe spindle box assembly fixture.
[0022] In the drawings: 1, a placing plate; 2, a first clamping box; 3, a second clamping box; 4, a contact rod; 5, a spring; 6, a rubber pad; 7, a fixed plate; 8, a fixed rod; 9, a vertical rod; 10, an anti-moving plate; 11, a mounting plate; 12, a vertical plate; 13, a first hydraulic cylinder; 14, a pushing plate; 15, an electromagnet; 16, a second hydraulic cylinder. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. The described embodiments are only some of the embodiments of the present application, not all the embodiments.
[0024] Embodiment 1
[0025] Please refer to Figures 1-4The utility model discloses a numerical control lathe spindle box assembly fixture, including placing plate 1, the first clamping box 2 of placing plate 1 top rear side is provided with, the second clamping box 3 of placing plate 1 top front side is provided with, the inside of first clamping box 2 and second clamping box 3 all is provided with adjusting assembly, adjusting assembly includes the contact lever 4 of setting in the inside of first clamping box 2 and second clamping box 3, the spring 5 of fixed connection in contact lever 4 one end and the rubber pad 6 of fixed connection in contact lever 4 other end, through the setting of adjusting assembly, can adjust the length of extension of contact lever 4, through the adjustment of contact lever 4, make the clamping surface of first clamping box 2 and second clamping box 3, can adapt to the spindle box of different shape, the inside of first clamping box 2 and second clamping box 3 all is provided with limiting assembly, limiting assembly includes the fixed plate 7 of setting in the inside of first clamping box 2 and second clamping box 3, the fixed rod 8 of setting in fixed plate 7 interior, the vertical rod 9 of fixed connection in fixed rod 8 top and the anti -movement board 10 of fixed connection in vertical rod 9 one side, through the setting of limiting assembly, can fix contact lever 4, make the displacement of adjusted contact lever 4 not appear.
[0026] Example 2
[0027] See Figures 1-4On the basis of embodiment 1, the mounting plate 11 is fixedly connected to the rear side of the top of the placing plate 1, the first clamping box 2 is fixedly connected to the front side of the mounting plate 11 through bolts, the first clamping box 2 can be fixed at a specified position through the setting of the mounting plate 11, the vertical plate 12 is fixedly connected to the front side of the placing plate 1, the first hydraulic cylinder 13 is fixedly connected to the front side of the vertical plate 12, the push plate 14 is fixedly connected to the output end of the first hydraulic cylinder 13, the second clamping box 3 is fixedly connected to the push plate 14 through bolts, the first hydraulic cylinder 13 can be fixed through the setting of the vertical plate 12, the second clamping box 3 and the first hydraulic cylinder 13 can be fixed through the setting of the push plate 14, the second clamping box 3 can be moved to the first clamping box 2 through the setting of the first hydraulic cylinder 13, the contact rods 4 are uniformly arranged in the first clamping box 2 and the second clamping box 3 in the horizontal and vertical directions, the other end of the spring 5 is fixedly connected to the inside of the first clamping box 2 and the second clamping box 3, the contact effect with the clamped object can be increased through the uniformly distributed contact rods 4, the electromagnets 15 are fixedly connected to the inside of the first clamping box 2 and the second clamping box 3, the access holes adapted to the contact rods 4 are formed in the first clamping box 2, the second clamping box 3, the electromagnets 15 and the fixed plate 7, the adjusted contact rods 4 can be fixed again through the setting of the electromagnets 15 by the electromagnetic adsorption fixing mode, the second hydraulic cylinders 16 are fixedly connected to one side of the first clamping box 2 and the second clamping box 3, the fixed rods 8 are fixedly connected to the output ends of the second hydraulic cylinders 16, the fixed rods 8 can be moved through the setting of the second hydraulic cylinders 16, the quarter circular grooves are formed in the side of the anti-moving plate 10 close to the contact rods 4, the moving grooves adapted to the fixed rods 8 are formed in the inside of the fixed plate 7, the anti-moving plate 10 is more fitted to the contact rods 4 through the setting of the quarter circular grooves, and the fixed rods 8 can move in the inside of the fixed plate 7 through the setting of the moving grooves.
[0028] The utility model discloses a working principle is: first clamping box 2 is fixedly connected on mounting plate 11 through bolt, second clamping box 3 is fixedly connected on the push plate 14 through bolt, the spindle box that needs clamping is placed between first clamping box 2 and second clamping box 3 at this moment, first hydraulic cylinder 13 drives push plate 14 to move, and push plate 14 drives second clamping box 3 to move to first clamping box 2, and the rubber pad 6 on second clamping box 3 contacts with spindle box surface, because shape difference, the position of protruding will extrude contact rod 4 to move to first clamping box 2 or second clamping box 3 inside, and the position of recess contact rod 4 will push contact rod 4 to move to spindle box under the action of spring 5, and through the telescopic of spring 5 on contact rod 4, the telescopic length of contact rod 4 can be adjusted, make the contact rod 4 on the surface of first clamping box 2 and second clamping box 3 adjust to the state of adapting the shape of spindle box, then second hydraulic cylinder 16 drives fixed rod 8 to move, and fixed rod 8 drives vertical rod 9 to move, and vertical rod 9 drives anti -moving board 10 to move to contact rod 4, and anti -moving board 10 contacts with contact rod 4, fixes contact rod 4, finally electromagnet 15 is electrified, and electromagnet 15 again magnetism suction contact rod 4, and the contact rod 4 is fixed twice, and the contact rod 4 on the surface of first clamping box 2 and second clamping box 3 forms the shape of adapting the shape of spindle box at this moment, to fix the spindle box of different shapes.
[0029] The above only describes certain exemplary embodiments of the utility model through the way of illustration, without doubt, for the ordinary skill in the art, under the circumstances of not deviating from the spirit and scope of the utility model, the described embodiment can be modified in various different ways. Therefore, the above drawing and description are illustrative in nature and should not be understood as limiting the scope of protection claimed by the utility model.
Claims
1. A CNC lathe spindle box assembly fixture, comprising a placement plate (1), characterized in that: A first clamping box (2) is provided on the rear side of the top of the placement plate (1), and a second clamping box (3) is provided on the front side of the top of the placement plate (1). Both the first clamping box (2) and the second clamping box (3) are equipped with adjustment components. The adjustment components include a contact rod (4) installed inside the first clamping box (2) and the second clamping box (3), a spring (5) fixedly connected to one end of the contact rod (4), and a rubber pad (6) fixedly connected to the other end of the contact rod (4). By setting the adjustment components, the extension length of the contact rod (4) can be adjusted. Both the first clamping box (2) and the second clamping box (3) are equipped with limiting components. The limiting components include a fixing plate (7) inside the first clamping box (2) and the second clamping box (3), a fixing rod (8) inside the fixing plate (7), a vertical rod (9) fixedly connected to the top of the fixing rod (8), and an anti-movement plate (10) fixedly connected to one side of the vertical rod (9). By setting the limiting components, the contact rod (4) can be fixed.
2. The CNC lathe spindle box assembly fixture according to claim 1, characterized in that: The placement plate (1) is fixedly connected to the rear top of the mounting plate (1), and the first clamping box (2) is fixedly connected to the front side of the mounting plate (11) by bolts.
3. The CNC lathe spindle box assembly fixture according to claim 1, characterized in that: A vertical plate (12) is fixedly connected to the front side of the placement plate (1), a first hydraulic cylinder (13) is fixedly connected to the front side of the vertical plate (12), a push plate (14) is fixedly connected to the output end of the first hydraulic cylinder (13), and the second clamping box (3) is fixedly connected to the push plate (14) by bolts.
4. The CNC lathe spindle box assembly fixture according to claim 1, characterized in that: The contact rod (4) is evenly arranged horizontally and vertically inside the first clamping box (2) and the second clamping box (3), and the other end of the spring (5) is fixedly connected inside the first clamping box (2) and the second clamping box (3).
5. A CNC lathe spindle box assembly fixture according to claim 1, characterized in that: Both the first clamping box (2) and the second clamping box (3) are fixedly connected with electromagnets (15). The first clamping box (2), the second clamping box (3), the electromagnets (15) and the fixing plate (7) are all provided with inlet and outlet through holes that are compatible with the contact rod (4).
6. The CNC lathe spindle box assembly fixture according to claim 1, characterized in that: The first clamping box (2) and the second clamping box (3) are both fixedly connected to a second hydraulic cylinder (16) on one side, and the output end of the second hydraulic cylinder (16) is fixedly connected to the fixing rod (8).
7. The CNC lathe spindle box assembly fixture according to claim 1, characterized in that: The anti-movement plate (10) has a quarter-circular groove on the side near the contact rod (4), and the fixing plate (7) has a movable through groove that matches the fixing rod (8).