Special hydraulic clamp for rotary table
By combining and adjusting the hydraulic clamps and using a multi-point fixing design, the problem of offset when clamping irregular workpieces by existing clamps has been solved, and stable clamping of irregular workpieces has been achieved.
Patent Information
- Application Number
- CN202520113741.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-17
AI Technical Summary
When clamping irregular workpieces, the existing rotary table fixtures are prone to causing the workpieces to shift to the side between the fixtures, affecting the clamping effect.
A hydraulic clamp is used, in which the height and angle of the clamping block are adjusted by a hydraulic rod and screw assembly, and the sliding connection between the clamping plate and the limiting ring is combined to achieve multi-point fixation of irregular workpieces.
It improves the clamping stability of irregular workpieces and ensures stable clamping effect on workpieces of different shapes.
Smart Images

Figure CN223718865U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a rotary table technical field, concretely is a special hydraulic clamp for rotary table. BACKGROUND
[0002] The rotary table is the plane part of placing workpiece or tooling fixture, usually requires higher flatness and surface roughness, to ensure the stability of workpiece placement and machining accuracy. Its material is usually selected from high-strength alloy steel or cast iron, etc. After fine processing, the size is determined according to the specific application scene and the demand of bearing capacity, and the common shapes are circular, square and the like.
[0003] The patent announcement number "CN221676484U" discloses "a adjustable multipurpose clamp", including the mounting plate, the top end middle part of mounting plate is provided with the sliding slot, the inner side of sliding slot is connected with the sliding block, the top end of sliding block is fixedly connected with the mounting frame, the left side of mounting frame is fixedly installed with motor, the output end of motor is fixedly connected with threaded rod, the left and right sides of threaded rod are all screw connected with fixed plate, the opposite sides of two fixed plates are all fixedly connected with two outer rods, the inner side of outer rod is slidably connected with inner rod, the opposite sides of multiple inner rods are all provided with adjusting groove, the opposite side top ends of multiple outer rods are all penetrated with fastening bolt. It is convenient to adjust the position of the clamp after the clamp is installed, convenient to cooperate with workpiece machining, and convenient to adjust the width of the clamp clamping according to the size of the workpiece, and convenient to adjust the height of the clamping block in the clamp according to the height position required by the workpiece.
[0004] Although the above-mentioned patent can adjust the clamping height and the clamping width to ensure the clamping effect, the two clamps on both sides are used to clamp the two sides of the workpiece when clamping. This way, when facing irregular workpieces, the two sides will produce a force in the side direction, which will cause the workpiece to shift to the side between the two clamps, thereby affecting the clamping effect
[0005] Therefore, the utility model provides a special hydraulic clamp for rotary table to solve the above problems. UTILITY MODEL CONTENTS
[0006] In view of the defects of the prior art, the utility model provides a special hydraulic clamp for rotary table, which solves the above problems.
[0007] In order to achieve the above object, the utility model discloses a special hydraulic fixture for rotary workbench through the following technical scheme: a special hydraulic fixture for rotary workbench, including the workbench, the top fixed mounting of workbench has the installation ring, the top of installation ring is provided with adjusting assembly, the top of adjusting assembly is provided with clamping assembly, adjusting assembly includes bottom plate, clamping assembly includes hydraulic rod and first screw rod, the top fixed mounting of first screw rod is in bottom plate, the outside fixed mounting of hydraulic rod has adjusting block, adjusting block sleeve joint is in the outside of corresponding first screw rod, the output fixed mounting of hydraulic rod has the clamping block.
[0008] Preferably: the top fixed mounting of first screw rod has the top plate, and the hydraulic rod is located between the top plate and the bottom plate.
[0009] The above technical scheme is adopted, and the up-down moving distance of the hydraulic rod is limited by the top plate.
[0010] Preferably: the outside of the first screw rod is screwed with a first nut and a second nut, the first nut is located above the adjusting block, and the second nut is located below the adjusting block.
[0011] The above technical scheme is adopted, and the first and second nuts are used to fix the position of the adjusting block.
[0012] Preferably: the bottom of the bottom plate is fixedly installed with a clamping plate, the inside of the clamping plate is provided with a clamping groove, the clamping plate is attached to the inner wall of the installation ring, the inside of the installation ring is fixedly installed with a limiting ring, and the clamping plate is slidably connected to the outside of the limiting ring through the clamping groove.
[0013] The above technical scheme is adopted, and the up-down movement of the bottom plate is fixed by clamping the clamping plate outside the limiting ring.
[0014] Preferably: the bottom of the bottom plate is fixedly installed with a clamping plate, the inside of the clamping plate is provided with a clamping groove, the clamping plate is attached to the inner wall of the installation ring, the inside of the installation ring is fixedly installed with a limiting ring, and the clamping plate is slidably connected to the outside of the limiting ring through the clamping groove.
[0015] The above technical scheme is adopted, and the bottom plate is fixed by clamping the clamping plate outside the installation ring.
[0016] Preferably: the bottom of the clamping plate, the clamping groove and the clamping plate is attached to the top of the workbench, the inside end and the outside end of the clamping plate are arc-shaped, and the inside of the clamping plate and the outside of the clamping groove can be completely attached to the inner and outer sides of the installation ring.
[0017] The above technical scheme is adopted, and the stability of the bottom plate is ensured.
[0018] Advantages
[0019] The utility model provides a special hydraulic clamp for rotary workbench. Compared with prior art, the utility model has the following beneficial effects:
[0020] 1、 this special hydraulic clamp for rotary workbench, the hydraulic rod outside in clamping subassembly is equipped with the adjusting block, the adjusting block is sleeved in the first screw rod outside, and the first screw rod is screwed with first nut and second nut, before clamping, can according to the workpiece shape rotation first nut and second nut to adjust the up-down position of adjusting block on the first screw rod, and then realize the adjustment of the up-down height of hydraulic rod, finally can adjust the position of clamping of the clamping block, like this, when clamping the irregular workpiece, can select more suitable clamping position, guarantee the stability of clamping.
[0021] 2、 this special hydraulic clamp for rotary workbench, the bottom of the bottom plate of adjusting assembly is equipped with the clamping plate, and the clamping plate is slidably connected with the limiting ring inside the mounting ring through the clamping groove, and the fixed plate on the bottom of the bottom plate is connected with the clamping plate through the second screw rod, when clamping, by rotating the knob to make the second screw rod rotate, the clamping plate can be moved to the outside to release the fixation between the bottom plate and the mounting ring, at this time, the clamping plate can rotate along the mounting ring and the limiting ring, so as to change the position of the bottom plate on the mounting ring, and the position angle of the clamping block on the workbench is adjusted, by changing the horizontal position angle of the clamping block, the irregular workpiece can be better clamped.
[0022] 3、 this special hydraulic clamp for rotary workbench, through the clamping plate and the clamping groove are connected outside the limiting ring, so as to realize that the bottom plate is installed above the mounting ring, a plurality of bottom plates can be installed on the mounting ring, so that a plurality of clamping blocks can be fixed above the mounting ring, when fixing the irregular workpiece, the irregular workpiece can be better clamped through a plurality of positions by a plurality of clamping blocks outside, and the stability of clamping the irregular workpiece is guaranteed. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawings needed to be used in the description of the embodiment or prior art, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor under the premise of the drawings.
[0024] Figure 1 It is the external structure perspective drawing of the utility model;
[0025] Figure 2 It is the external structure perspective drawing of the utility model; Figure 1 It is the structure enlarged view of A in the utility model;
[0026] Figure 3 It is the unfolded structure perspective drawing of the utility model;
[0027] Figure 4 is the utility model Figure 3 The structure amplification view of B in the middle.
[0028] In the drawing: 1, workbench; 2, clamping assembly; 21, hydraulic rod; 22, clamping block; 23, first screw; 24, top plate; 25, adjusting block; 26, first nut; 27, second nut; 3, adjusting assembly; 31, bottom plate; 32, fixed plate; 33, clamping plate; 34, clamping groove; 35, clamping plate; 36, second screw; 37, knob; 38, limiting ring; 4, mounting ring. DETAILED DESCRIPTION
[0029] It should be noted that in the description of the embodiments of the present application, the terms "front, back, left, right, up, down" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. The terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0030] The present application will be further described in detail below by means of the drawings and examples.
[0031] Referring to Figures 1 to 4 , the present application provides a special hydraulic clamp for rotary workbench, which comprises a workbench 1, a mounting ring 4 is fixedly installed on the top of the workbench 1, an adjusting assembly 3 is arranged on the top of the mounting ring 4, a clamping assembly 2 is arranged on the top of the adjusting assembly 3, the adjusting assembly 3 comprises a bottom plate 31, the clamping assembly 2 comprises a hydraulic rod 21 and a first screw 23, the first screw 23 is fixedly installed on the top of the bottom plate 31, the adjusting block 25 is fixedly installed on the outer side of the hydraulic rod 21, the adjusting block 25 is sleeved on the outer side of the corresponding first screw 23, and the clamping block 22 is fixedly installed on the output end of the hydraulic rod 21.
[0032] The top plate 24 is fixedly installed between the top of the first screw 23, and the hydraulic rod 21 is located between the top plate 24 and the bottom plate 31. The first nut 26 and the second nut 27 are screwed on the outer side of the first screw 23, the first nut 26 is located above the adjusting block 25, and the second nut 27 is located below the adjusting block 25.
[0033] In this embodiment, when clamping the workpiece, the clamping block 22 is moved inward by starting the hydraulic rod 21, and the workpiece is clamped and fixed by the clamping block 22 clamped outside the workpiece. Before clamping, the first nut 26 and the second nut 27 can be rotated according to the shape of the workpiece, and the position adjustment of the adjusting block 25 up and down can be realized by the position adjustment of the first nut 26 and the second nut 27 on the first screw 23. The height of the hydraulic rod 21 can be adjusted by the adjusting block 25, and then the position of the clamping block 22 is adjusted. The clamping block 22 can adjust the up and down position, so that when clamping the irregular workpiece, a better clamping position can be selected to ensure the clamping stability.
[0034] With reference to Figures 1 to 4 In one aspect of the embodiment, the bottom of the bottom plate 31 is fixedly installed with a clamping plate 33, the inside of the clamping plate 33 is provided with a clamping groove 34, the clamping plate 33 is attached to the inner side wall of the mounting ring 4, the inside of the mounting ring 4 is fixedly installed with a limiting ring 38, and the clamping plate 33 is slidably connected to the outside of the limiting ring 38 through the clamping groove 34.
[0035] The bottom of the bottom plate 31 is fixedly installed with a fixed plate 32, the inside of the fixed plate 32 is screwed through with a second screw 36, the inside end of the second screw 36 is rotatably connected with a clamping plate 35, the top of the clamping plate 35 is attached to the bottom of the bottom plate 31, the clamping plate 35 is attached to the outside end of the mounting ring 4, and the outside end of the second screw 36 is fixedly installed with a knob 37.
[0036] The bottom of the fixed plate 32, the clamping groove 34 and the clamping plate 35 is attached to the top of the workbench 1, the inside end of the clamping plate 35 and the outside end of the clamping groove 34 are arc-shaped, and the inside of the clamping plate 35 and the outside of the clamping groove 34 can be completely attached to the inside and outside of the mounting ring 4.
[0037] In this embodiment, when clamping, the second screw 36 can be rotated by rotating the knob 37, and the rotation of the second screw 36 can move the clamping plate 35 outward, thereby releasing the fixation between the bottom plate 31 and the mounting ring 4, and the clamping plate 33 can be rotated along the mounting ring 4 and the limiting ring 38, thereby changing the position of the bottom plate 31 on the mounting ring 4, so as to adjust the position angle of the clamping block 22 on the workbench 1. By changing the horizontal position angle of the clamping block 22, the irregular workpiece can be better clamped; and when the clamping plate 35 is clamped, a new additional bottom plate 31 can be clamped on the limiting ring 38 through the clamping plate 33, and clamped and fixed through the clamping plate 35, thereby realizing the increase or decrease of the clamping block 22. By increasing and decreasing the clamping block 22, the irregular workpiece can be better clamped. When clamping, the clamping plate 33 and the clamping groove 34 can be clamped on the outside of the limiting ring 38, so as to realize the installation of the bottom plate 31 above the mounting ring 4. A plurality of bottom plates 31 can be installed on the mounting ring 4, so as to fix a plurality of clamping blocks 22 above the mounting ring 4. When fixing the irregular workpiece, the external plurality of clamping blocks 22 can better clamp the irregular workpiece at multiple positions, thereby ensuring the stability of clamping the irregular workpiece.
[0038] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.
[0039] Work principle: when clamping the workpiece, the clamp block 22 is moved inward by starting the hydraulic rod 21, and the workpiece is clamped and fixed by the clamp block 22 clamped outside the workpiece. Before clamping, the first nut 26 and the second nut 27 can be rotated according to the shape of the workpiece. The position adjustment of the first nut 26 and the second nut 27 on the first screw 23 can realize the position adjustment of the adjusting block 25 up and down. The height of the hydraulic rod 21 can be adjusted by the adjusting block 25, and then the position of the clamp block 22 clamping up and down is adjusted. The clamp block 22 with adjustable up and down position can select a better clamping position when clamping irregular workpieces, and ensure the clamping stability. When clamping, the second screw 36 can be rotated by rotating the knob 37, and the clamp plate 35 can be moved outward, and then the fixing between the bottom plate 31 and the mounting ring 4 is released. The clamping plate 33 can be rotated along the mounting ring 4 and the limiting ring 38, and then the position of the bottom plate 31 on the mounting ring 4 can be changed, so as to adjust the position angle of the clamp block 22 on the workbench 1. The horizontal position angle of the clamp block 22 can be changed to better clamp irregular workpieces. When the clamp plate 35 is clamped and released, the new additional bottom plate 31 can be clamped on the limiting ring 38 through the clamping plate 33, and clamped and fixed by the clamp plate 35, so as to realize the increase or decrease of the clamp block 22. The increase and decrease of the clamp block 22 can better clamp irregular workpieces. When clamping, the clamping plate 33 and the clamping groove 34 can be clamped outside the limiting ring 38, so as to realize that the bottom plate 31 is installed above the mounting ring 4. A plurality of bottom plates 31 can be installed on the mounting ring 4, so that a plurality of clamp blocks 22 can be fixed above the mounting ring 4. When fixing irregular workpieces, the external multiple clamp blocks 22 can better clamp irregular workpieces from multiple positions, and ensure the stability of clamping irregular workpieces.
[0040] It should be noted that, in the present document, relational terms such as first and second and the like can be 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0041] Although the embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A special hydraulic clamp for rotary table, comprising a table (1), characterized in that: The top of the workbench (1) is fixedly installed with a mounting ring (4), the top of the mounting ring (4) is provided with an adjusting assembly (3), the top of the adjusting assembly (3) is provided with a clamping assembly (2), the adjusting assembly (3) comprises a bottom plate (31), the clamping assembly (2) comprises a hydraulic rod (21) and a first screw rod (23), the first screw rod (23) is fixedly installed on the top of the bottom plate (31), the outer side of the hydraulic rod (21) is fixedly installed with an adjusting block (25), the adjusting block (25) is sleeved on the outer side of the corresponding first screw rod (23), and the output end of the hydraulic rod (21) is fixedly installed with a clamping block (22).
2. A special hydraulic fixture for rotary table according to claim 1, characterized in that: The top of the first screw rod (23) is fixedly installed with a top plate (24), and the hydraulic rod (21) is located between the top plate (24) and the bottom plate (31).
3. The special hydraulic fixture for rotary table according to claim 2, characterized in that: The outer side of the first screw rod (23) is screwed with a first nut (26) and a second nut (27), the first nut (26) is located above the adjusting block (25), and the second nut (27) is located below the adjusting block (25).
4. The special hydraulic fixture for rotary table according to claim 1, characterized in that: The bottom of the bottom plate (31) is fixedly installed with a clamping plate (33), the inside of the clamping plate (33) is provided with a clamping groove (34), the clamping plate (33) is attached to the inner side wall of the mounting ring (4), the inside of the mounting ring (4) is fixedly installed with a limiting ring (38), and the clamping plate (33) is slidably connected to the outside of the limiting ring (38) through the clamping groove (34).
5. The special hydraulic fixture for rotary table according to claim 4, characterized in that: The bottom of the bottom plate (31) is fixedly installed with a fixed plate (32), the inside of the fixed plate (32) is screwed through with a second screw rod (36), the inner side end of the second screw rod (36) is rotatably connected with a clamping plate (35), the top of the clamping plate (35) is attached to the bottom of the bottom plate (31), the clamping plate (35) is attached to the outer side end of the mounting ring (4), and the outer side end of the second screw rod (36) is fixedly installed with a knob (37).
6. The special hydraulic fixture for rotary table according to claim 5, characterized in that: The bottom of the fixed plate (32), the clamping groove (34) and the clamping plate (35) is attached to the top of the workbench (1), the inner side end of the clamping plate (35) and the outer side end of the clamping groove (34) are arc-shaped, and the inner side of the clamping plate (35) and the outer side of the clamping groove (34) can be completely attached to the inner and outer sides of the mounting ring (4).
Citation Information
Patent Citations
Adjustable multipurpose clamp
CN221676484U