CN213673000U

CN213673000U - Hydraulic parallel clamp

Info

Publication number: CN213673000U
Application number: CN202022023696.3U
Authority: CN
Inventors: 雷薇
Original assignee: Dongguan Xinsanyi Hardware Products Co ltd
Current assignee: Dongguan Xinsanyi Hardware Products Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-07-13
Anticipated expiration: 2030-09-15

Abstract

The utility model belongs to the technical field of clamp, in particular to a hydraulic parallel clamp, which comprises a fixed seat, a hydraulic cylinder and a link mechanism, wherein the hydraulic cylinder is fixed on the fixed seat, the driving end of the hydraulic cylinder is provided with a driving block, the link mechanism comprises a first link component which comprises a fixed shaft, a rotating rod, a driving rod, a balancing rod and a pressing handle, the driving rod and the balancing rod are rotationally connected with the side surface of the driving block, the driving block can be driven to move when the hydraulic cylinder is started, when the driving block moves forwards, the driving rod can rotate anticlockwise under the driving of the rotating rod, when the driving rod rotates, the pressing handle can be driven to move towards the direction close to the driving block, when the pressing handle rotates, the balancing rod can be driven to rotate, the pressing handle can be stabilized by the balancing block, the pressing handle is prevented from rotating, a workpiece can be clamped on a rack by, meanwhile, the space utilization rate of the clamp is improved, and the workpiece is convenient to mount.

Description

Hydraulic parallel clamp

Technical Field

The utility model belongs to the technical field of anchor clamps, especially, relate to a hydraulic parallel clamp.

Background

In order to make the surface of a workpiece meet the technical requirements of dimension, geometric shape, mutual position precision with other surfaces and the like specified in a drawing, the workpiece needs to be assembled and clamped by the fixture before machining.

In the work of clamping a workpiece by the clamp, because the hardness of the workpiece is higher, the moment generated in the machining process is higher, the existing clamp has the condition of insufficient clamping force, the workpiece is easy to slide during machining, the workpiece is abraded, the machining precision of the workpiece is reduced, the space occupancy rate of the existing clamp is higher, and the clamp is inconvenient for clamping the workpiece.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic parallel clamp aims at solving the current anchor clamps centre gripping technical problem among the prior art.

In order to achieve the above object, an embodiment of the present invention provides a hydraulic parallel clamp, which includes a fixing base, a hydraulic cylinder and a link mechanism, wherein the link mechanism includes a first link assembly, the first link assembly includes a fixing shaft, a rotating shaft, a driving rod, a balance rod and a pressing handle, the hydraulic cylinder is fixed on the fixing base, the driving end of the hydraulic cylinder is provided with a driving block, the pressing handle is located at one side of the driving block, the driving rod and the balance rod are arranged in parallel, one end of the driving rod and one end of the balance rod are both rotatably connected to one side of the driving block, the other end of the driving rod and the other end of the balance rod are both rotatably connected to one side of the pressing handle, the fixing shaft is fixed on the fixing base and located at one side of the driving rod, one end of the rotating rod is sleeved on the surface of, the other end of the rotating rod is rotatably connected with the driving rod.

Optionally, the number of the pressing handles is two, and the two pressing handles are respectively located at two sides of the driving rod and the balancing rod and are both in rotational connection with the driving rod and the balancing rod.

Optionally, the quantity of dwang is two, two the dwang is located respectively the both sides of actuating lever, and two the one end of actuating lever with the middle part of actuating lever rotates to be connected, two the other end of dwang all rotate connect in the surface of fixed axle.

Optionally, the first connecting rod assembly further comprises pressing blocks, the end portions of the two pressing handles are provided with clamping blocks perpendicular to the pressing handles, each pressing block comprises a clamping portion and a fixing portion perpendicular to the surface of the clamping portion, and the fixing portions are fixed between the two clamping blocks.

Optionally, the link mechanism further includes a second link assembly disposed opposite to the first link assembly and located on two sides of the driving block, the driving rod and the balancing rod on the second link assembly are rotatably connected to the other side of the driving block, and a fixing shaft on the second link assembly is fixed to the fixing base.

Optionally, the fixing seat includes a bottom plate and a side plate perpendicularly fixed to the surface of the bottom plate, the hydraulic cylinder is fixed to the side plate, and a driving end of the hydraulic cylinder extends toward the direction of the bottom plate.

Optionally, two reinforcing plates are arranged between the bottom plate and the side plates.

Optionally, the fixing base further includes a sliding module, the sliding module includes a sliding rail and a sliding block adapted to the sliding rail, the sliding rail is fixed to the surface of the bottom plate and extends toward the driving direction of the hydraulic cylinder, the sliding block is slidably connected to the surface of the sliding rail, and the driving block is fixed to the surface of the sliding block.

Optionally, a first clamping groove and a second clamping groove are respectively formed in two sides of the driving block, the end portions of the driving rod of the first connecting rod assembly and the balancing rod are arranged in the first clamping groove and rotatably connected with the inner wall of the first clamping groove, and the end portions of the driving rod of the second connecting rod assembly and the balancing rod are arranged in the second clamping groove and rotatably connected with the inner wall of the second clamping groove.

Optionally, the drive end of pneumatic cylinder still is provided with joint spare, joint spare include the card axle and with the perpendicular chuck that sets up of card axle, the card axle is fixed in on the drive end of pneumatic cylinder, the drive block is close to the one end of pneumatic cylinder be provided with wear the groove and with the draw-in groove of wearing the groove intercommunication, the card axle runs through wear the groove, the chuck set up in the draw-in groove and with the inner wall joint of draw-in groove.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the parallel anchor clamps of hydraulic pressure have one of following technological effect at least: this parallel anchor clamps of hydraulic pressure includes the fixing base, pneumatic cylinder and link mechanism, the pneumatic cylinder is fixed in on the fixing base, the drive end of pneumatic cylinder is provided with the drive block, link mechanism includes that first link assembly includes the fixed axle, the dwang, the actuating lever, balancing pole and pressure handle, the side in the drive block is connected in the actuating lever with the balancing pole rotation, can drive the drive block removal when the pneumatic cylinder starts, when the direction that the drive block is close to the pneumatic cylinder removed, the actuating lever can rotate anticlockwise under the drive of dwang, can drive when the actuating lever rotates and press the handle to remove towards the direction that is close to the drive block, can drive the balancing pole rotation when pressing the handle to rotate, the balancing piece can stabilize the pressure handle, prevent that. Through above structure setting, can turn into the motion of the horizontal direction of pressing the handle with the motion of the vertical direction of balancing piece, the work piece can press from both sides the work piece tightly in the frame in the tip of pressing the handle, can effectively promote the clamping-force of anchor clamps, promotes the space utilization of anchor clamps simultaneously, makes things convenient for the installation of work piece.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a hydraulic parallel clamp provided by an embodiment of the present invention.

Fig. 2 is a schematic structural view of a fixing seat of a hydraulic parallel clamp provided in an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a driving block of a hydraulic parallel clamp according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-fixed seat 11-bottom plate 12-side plate

13-reinforcing plate 14-sliding module 20-hydraulic cylinder

21-driving block 22-clamping piece 30-connecting rod mechanism

40-first link assembly 41-fixed shaft 42-rotating rod

43-driving rod 44-balancing rod 45-pressing handle

46-press block 50-second connecting rod component 141-slide rail

142-slider 211-first clip groove 212-second clip groove

213-groove 214-card slot 221-card shaft

222-chuck 451-clamping block 461-clamping part

462-fixed part.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1, a hydraulic parallel clamp is provided, which includes a fixing base 10, a hydraulic cylinder 20 and a link mechanism 30, wherein the link mechanism 30 includes a first link assembly 40, the first link assembly 40 includes a fixing shaft 41, a rotating rod 42, a driving rod 43, a balance rod 44 and a pressing handle 45, the hydraulic cylinder 20 is fixed on the fixing base 10, the driving end of the hydraulic cylinder 20 is provided with a driving block 21, the pressing handle 45 is located on one side of the driving block 21, the driving rod 43 and the balance rod 44 are arranged in parallel, and one end of the driving rod 43 and one end of the balance rod 44 are both rotatably connected to one side of the driving block 21, the other end of the driving rod 43 and the other end of the balance rod 44 are both rotatably connected to one side of the pressing handle 45, the fixing shaft 41 is fixed on the fixing base 10 and located on one side, one end of the rotating rod 42 is sleeved on the surface of the fixed shaft 41 and is rotatably connected with the fixed shaft 41, and the other end of the rotating rod 42 is rotatably connected with the driving rod 43.

Specifically, this parallel anchor clamps of hydraulic pressure includes fixing base 10, pneumatic cylinder 20 and link mechanism 30, pneumatic cylinder 20 is fixed in on fixing base 10, the drive end of pneumatic cylinder 20 is provided with drive block 21, link mechanism 30 includes that first link assembly 40 includes fixed axle 41, dwang 42, actuating lever 43, balancing pole 44 and pressure handle 45, actuating lever 43 and balancing pole 44 rotate and connect in the side of drive block 21, can drive block 21 when pneumatic cylinder 20 starts and move, when drive block 21 moves towards the direction that is close to pneumatic cylinder 20, actuating lever 43 can rotate anticlockwise under the drive of dwang 42, can drive pressure handle 45 when actuating lever 43 rotates and move towards the direction that is close to drive block 21, can drive balancing pole 44 when pressure handle 45 rotates and rotate, the balancing piece can stabilize pressure handle 45, prevent that pressure handle 45 from taking place to rotate. Through above structure setting, can turn into the motion of the vertical direction of balancing piece the motion of the horizontal direction of pressing handle 45, the work piece can press from both sides the work piece tightly in the frame in the tip of pressing handle 45, can effectively promote the clamping-force of anchor clamps, promotes the space utilization of anchor clamps simultaneously, makes things convenient for the installation of work piece.

In another embodiment of the present invention, as shown in fig. 1, the number of the pressing handles 45 is two, and the two pressing handles 45 are respectively located at two sides of the driving rod 43 and the balancing rod 44 and are both rotatably connected to the driving rod 43 and the balancing rod 44. Specifically, the arrangement of the two pressing handles 45 can facilitate the balance of the pressing handles 45 during rotation and the clamping of the ends of the pressing handles 45.

In this embodiment, the balance bar 44 and the driving bar 43 are respectively provided at their ends with a first connecting rod, and the two pressing handles 45 are respectively sleeved at two ends of the first connecting rod and rotatably connected with the connecting rod. The first link may facilitate the rotational connection between the presser bar 45 and the balance bar 44 and drive bar 43.

In another embodiment of the present invention, as shown in fig. 1, the number of the rotating rods 42 is two, two the rotating rods 42 are respectively located at two sides of the driving rod 43, and two one end of the driving rod 43 is connected to the middle of the driving rod 43 in a rotating manner, and two other ends of the rotating rods 42 are connected to the surface of the fixed shaft 41 in a rotating manner. Specifically, the use of two rotation levers 42 may facilitate balancing of the driving lever 43 and driving of the driving lever 43 by the rotation levers 42.

In this embodiment, a second connecting rod is further disposed inside the driving rod 43, and the two rotating rods 42 are respectively sleeved at two ends of the second connecting rod and are rotatably connected with the second connecting rod. The second link may facilitate the rotational connection of the two rotational levers 42 to the driving lever 43.

In another embodiment of the present invention, as shown in fig. 1, the first link assembly 40 further includes a pressing block 46, two end portions of the pressing handle 45 are respectively provided with a clamping block 451 vertically arranged with the pressing handle 45, the pressing block 46 includes a clamping portion 461 and a fixing portion 462 vertically fixed on a surface of the clamping portion 461, and the fixing portion 462 is fixed between the two clamping blocks 451. Specifically, the clamping blocks 451 can reduce the stroke of the pressing handle 45, so that the hydraulic cylinder 20 can be driven conveniently, a clamping space is formed between the two clamping blocks 451, the pressing block 46 can be fixed in the clamping space through the fixing portion 462, the clamping block 451 is stable, the clamping portion 461 of the pressing block 46 can clamp a workpiece, and convenience is provided for clamping work of the hydraulic connecting rod clamp.

In another embodiment of the present invention, as shown in fig. 1, the link mechanism 30 further includes a second link assembly 50 which is structured with the first link assembly 40 and is disposed opposite to the first link assembly 40, the first link assembly 40 and the second link assembly 50 are respectively located at two sides of the driving block 21, the driving rod 43 and the balance rod 44 on the second link assembly 50 are both rotatably connected to the other side of the driving block 21, and the fixing shaft 41 on the second link assembly 50 is fixed on the fixing base 10. Specifically, when the hydraulic cylinder 20 drives the driving block 21 to move in a direction away from the hydraulic cylinder 20, the pressing handle 45 of the first connecting rod and the pressing handle 45 of the second connecting rod move in opposite directions, and the workpiece can be clamped between the two pressing handles 45, so that the hydraulic connecting rod clamp can be clamped conveniently, and the clamping force of the hydraulic connecting rod clamp can be improved.

In another embodiment of the present invention, as shown in fig. 1-2, the fixing base 10 includes a bottom plate 11 and a side plate 12 vertically fixed on the surface of the bottom plate 11, the hydraulic cylinder 20 is fixed on the side plate 12, and the driving end of the hydraulic cylinder 20 extends toward the direction of the bottom plate 11. Specifically, the bottom plate 11 may facilitate the fixing of the hydraulic link clamp, and the side plate 12 may facilitate the fixing of the hydraulic cylinder 20.

In another embodiment of the present invention, as shown in fig. 1-2, two reinforcing plates 13 are disposed between the bottom plate 11 and the side plate 12. Specifically, the two reinforcing plates 13 can reinforce the connection between the bottom plate 11 and the side plate 12, and reinforce the structure of the fixed seat 10 to reduce the vibration generated during the operation of the hydraulic link clamp.

In another embodiment of the present invention, as shown in fig. 1-2, the fixing base 10 further includes a sliding module 14, the sliding module 14 includes a sliding rail 141 and a sliding block 142 adapted to the sliding rail 141, the sliding rail 141 is fixed on the surface of the bottom plate 11 and extends toward the driving direction of the hydraulic cylinder 20, the sliding block 142 is slidably connected on the surface of the sliding rail 141, and the driving block 21 is fixed on the surface of the sliding block 142. Specifically, the slide rail 141 and the slider 142 may support the driving block 21, facilitate the translation of the driving block 21, and reduce the load on the driving shaft of the hydraulic cylinder 20.

In another embodiment of the present invention, as shown in fig. 1 and 3, a first clamping groove 211 and a second clamping groove 212 are respectively disposed on two sides of the driving block 21, the driving rod 43 of the first connecting rod assembly 40 and the end of the balance rod 44 are disposed in the first clamping groove 211 and rotatably connected to the inner wall of the first clamping groove 211, and the driving rod 43 of the second connecting rod assembly 50 and the end of the balance rod 44 are disposed in the second clamping groove 212 and rotatably connected to the inner wall of the second clamping groove 212. Specifically, the first and

second clip slots

211 and 212 may facilitate the rotational connection between the driving and

balance bars

43 and 44 and the driving block 21, and improve the stability of the link mechanism 30 during operation.

In another embodiment of the present invention, as shown in fig. 1 and 3, the driving end of the hydraulic cylinder 20 is further provided with a joint member 22, the joint member 22 includes a clamping shaft 221 and a chuck 222 disposed vertically to the clamping shaft 221, the clamping shaft 221 is fixed on the driving end of the hydraulic cylinder 20, the driving block 21 is close to one end of the hydraulic cylinder 20 is provided with a through groove 213 and a clamping groove 214 communicated with the through groove 213, the clamping shaft 221 runs through the through groove 213, the chuck 222 is disposed in the clamping groove 214 and is clamped with the inner wall of the clamping groove 214. Specifically, the clamping member 22 is fixed to the driving shaft of the hydraulic cylinder 20 through the clamping shaft 221, and the clamping member 22 is clamped to the clamping groove 214 through the clamping chuck 222, so as to facilitate driving connection between the hydraulic cylinder 20 and the driving block 21.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a hydraulic pressure parallel fixture which characterized in that: comprises a fixed seat, a hydraulic cylinder and a connecting rod mechanism, wherein the connecting rod mechanism comprises a first connecting rod component, the first connecting rod component comprises a fixed shaft, a rotating rod, a driving rod, a balancing rod and a pressing handle, the hydraulic cylinder is fixed on the fixed seat, the driving end of the hydraulic cylinder is provided with a driving block, the pressing handle is positioned at one side of the driving block, the driving rod and the balancing rod are arranged in parallel, one end of the driving rod and one end of the balancing rod are both rotationally connected to one side of the driving block, the other end of the driving rod and the other end of the balancing rod are both rotationally connected to one side of the pressing handle, the fixed axle is fixed in on the fixing base and be located one side of actuating lever, the pot head of dwang is located the surface of fixed axle and with the fixed axle rotates to be connected, the other end of dwang with the actuating lever rotates to be connected.

2. The hydraulic parallel clamp of claim 1, wherein: the number of the pressing handles is two, and the two pressing handles are respectively positioned on two sides of the driving rod and the balance rod and are in rotating connection with the driving rod and the balance rod.

3. The hydraulic parallel clamp of claim 1, wherein: the quantity of dwang is two, two the dwang is located respectively the both sides of actuating lever, and two the one end of actuating lever with the middle part of actuating lever rotates to be connected, two the other end of dwang all rotate connect in the surface of fixed axle.

4. The hydraulic parallel clamp of claim 3, wherein: the first connecting rod assembly further comprises pressing blocks, the end portions of the two pressing handles are provided with clamping blocks perpendicular to the pressing handles, each pressing block comprises a clamping portion and a fixing portion perpendicular to the surface of the clamping portion, and the fixing portions are fixed between the two clamping blocks.

5. The hydraulic parallel clamp according to any one of claims 1 to 4, characterized in that: the link mechanism further comprises a second link assembly which is opposite to the first link assembly and is in the structure of the first link assembly, the first link assembly and the second link assembly are respectively positioned on two sides of the driving block, the driving rod and the balance rod on the second link assembly are rotatably connected to the other side of the driving block, and a fixed shaft on the second link assembly is fixed on the fixed seat.

6. The hydraulic parallel clamp according to any one of claims 1 to 4, characterized in that: the fixing seat comprises a bottom plate and a side plate vertically fixed on the surface of the bottom plate, the hydraulic cylinder is fixed on the side plate, and the driving end of the hydraulic cylinder extends towards the direction of the bottom plate.

7. The hydraulic parallel clamp of claim 6, wherein: two reinforcing plates are arranged between the bottom plate and the side plates.

8. The hydraulic parallel clamp of claim 6, wherein: the fixing base still includes the slip module, the slip module include the slide rail and with the slider of slide rail adaptation, the slide rail is fixed in the surface of bottom plate and towards the drive direction of pneumatic cylinder extends, slider sliding connection in the surface of slide rail, the drive block is fixed in the surface of slider.

9. The hydraulic parallel clamp of claim 5, wherein: the two sides of the driving block are respectively provided with a first clamping groove and a second clamping groove, the driving rod of the first connecting rod assembly and the end part of the balance rod are arranged in the first clamping groove and are rotationally connected with the inner wall of the first clamping groove, and the driving rod of the second connecting rod assembly and the end part of the balance rod are arranged in the second clamping groove and are rotationally connected with the inner wall of the second clamping groove.

10. The hydraulic parallel clamp of claim 9, wherein: the drive end of pneumatic cylinder still is provided with joint spare, joint spare including the card axle and with the perpendicular chuck that sets up of card axle, the card axle is fixed in on the drive end of pneumatic cylinder, the drive block is close to the one end of pneumatic cylinder be provided with wear the groove and with wear the draw-in groove of groove intercommunication, the card axle runs through wear the groove, the chuck set up in the draw-in groove and with the inner wall joint of draw-in groove.