Clamping device of hydraulic machine

Abstract

The utility model belongs to the technical field of hydraulic machinery, and particularly relates to a hydraulic machinery clamping device which comprises a clamping assembly, and the clamping assembly comprises a machining table, a placing frame, a mounting frame, a hydraulic cylinder, a lifting plate, a punch, a rotating column, a blanking hole, a rotating plate, a sliding seat, a connecting rod, an electric cylinder, a connecting frame and a clamping plate. During working, if the rotating column rotates, the rotating plate can be driven to rotate, force is applied to the connecting rod when the rotating plate rotates, the connecting rod pushes the two sliding seats to be far away from each other or pulls the two sliding seats to be close to each other, and therefore the two sliding seats are always kept to be close to each other synchronously or far away from each other synchronously; the hydraulic cylinder drives the punch to downwards punch a workpiece, before punching, one end of the piston rod of the electric cylinder extends to push the two sliding seats to get close to each other, the two clamping plates can be driven to get close to each other to clamp and fix the workpiece, and the situation that the punching position of the workpiece deviates to affect the punching accuracy is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic machinery, in particular to a clamping device of a hydraulic machinery. Background Art

[0002] Hydraulic machinery is a kind of machinery that uses the static pressure of liquid to process metal, plastic, rubber, wood, powder and other products. It is often used in pressing and forming processes, such as forging, stamping, cold extrusion, straightening, bending, flanging, sheet metal drawing, powder metallurgy, pressing, etc.

[0003] When using hydraulic machinery to punch the workpiece, if the workpiece is not effectively fixed, it is easy to cause the workpiece to slide, causing the punching position to shift, which will affect the accuracy of the punching and the processing effect of the hydraulic machinery on the workpiece; therefore, we proposed a hydraulic machinery clamping device to solve the above problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies of the prior art, the utility model provides a clamping device for a hydraulic machine, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0008] A clamping device for a hydraulic machine, comprising a clamping assembly, wherein the clamping assembly comprises a processing table, a placing frame, a mounting frame, a hydraulic cylinder, a lifting plate, a punch, a rotating column, a blanking hole, a rotating plate, a sliding seat, a connecting rod, an electric cylinder, a connecting frame and a clamping plate;

[0009] A placing frame is welded on the middle part of the upper surface of the processing table, and a blanking hole is opened on the upper surface of the placing frame, and a mounting frame is welded on the upper surface of the processing table, and the mounting frame is located on the outer side of the placing frame, and a hydraulic cylinder is installed on the top of the inner side wall of the mounting frame, one end of the piston rod of the hydraulic cylinder is fixedly connected to the lifting plate, and the lower surface of the lifting plate is fixedly connected to the punch, and the middle part of the upper surface of the processing table is rotatably connected to a rotating column through a bearing, and a rotating plate is welded on the top of the rotating column, and slide seats are slidably connected to both sides of the outer wall of the placing frame, and connecting rods are hinged on both sides of the outer wall of the rotating plate, and one end of the connecting rod away from the rotating plate is hinged on the outer wall of the sliding seat, and one end of the piston rod of the electric cylinder is fixedly connected to the outer wall of one of the sliding seats, and a connecting frame is welded on the upper surface of the sliding seat, and a clamping plate is welded on the top of the connecting frame.

[0010] Furthermore, the clamping assembly also includes a bearing plate, a rubber pad, a limit block, a movable plate, a positioning rod and a baffle. The right side wall of the mounting frame is welded with a bearing plate, the bottom of the electric cylinder is installed on the upper surface of the bearing plate, and one end of the piston rod of the electric cylinder passes through the right side wall of the mounting frame.

[0011] Furthermore, a rubber pad is bonded to one side of the clamping plate close to the blanking hole.

[0012] Furthermore, a limiting block is welded on one side of the upper surface of the slide seat close to the rotating plate.

[0013] Furthermore, two movable plates are symmetrically welded to the outer side wall of the lifting plate, a positioning rod is welded to the upper surface of the movable plate, and the positioning rod is slidably connected to the mounting frame.

[0014] Furthermore, a baffle is welded to the top end of the positioning rod.

[0015] Furthermore, a collection assembly is installed on the upper surface of the processing table, and the collection assembly includes a placement groove, a collection box, a material guide hopper and a handle. A placement groove is opened on the rear side of the upper surface of the processing table, and a collection box is placed on the inner wall of the placement groove. A material guide hopper is welded on the lower surface of the placement frame.

[0016] Furthermore, two handles are symmetrically welded to the outer side wall of the collection box.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the utility model provides a hydraulic mechanical clamping device having the following

[0019] Beneficial effects:

[0020] When the utility model is working, if the rotating column rotates, the rotating plate will be driven to rotate. When the rotating plate rotates, force is applied to the connecting rod, and the connecting rod will push the two slide seats away from each other or pull the two slide seats towards each other, so the two slide seats always keep synchronously approaching each other or synchronously moving away from each other. The workpiece is placed on the placement rack, and the hydraulic cylinder drives the punch downward to perform stamping processing on the workpiece. Before stamping, one end of the piston rod of the electric cylinder is extended to push the two slide seats towards each other, which can drive the two clamping plates to approach each other to clamp and fix the workpiece, thereby preventing the punching position of the workpiece from shifting and affecting the accuracy of the punching, thereby ensuring the processing effect of the hydraulic machinery on the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0022] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0023] Figure 3 It is a structural schematic diagram of the processing table and the mounting frame in the utility model;

[0024] Figure 4 For the utility model Figure 3 A magnified view of the structure of area A;

[0025] Figure 5 It is a structural schematic diagram of the placement rack and the guide hopper in the utility model.

[0026] In the figure: 10, clamping assembly; 11, processing table; 12, placement rack; 13, mounting rack; 14, hydraulic cylinder; 15, lifting plate; 16, punch; 17, rotating column; 18, drop hole; 19, rotating plate; 110, slide seat; 111, connecting rod; 112, bearing plate; 113, electric cylinder; 114, connecting rack; 115, clamping plate; 116, rubber pad; 117, limit block; 118, movable plate; 119, positioning rod; 120, baffle; 20, collecting assembly; 21, placement slot; 22, collecting box; 23, guide hopper; 24, handle. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Example

[0029] like Figure 1 , Figure 2 and Figure 4 As shown, a hydraulic mechanical clamping device proposed in one embodiment of the utility model includes a clamping assembly 10, and the clamping assembly 10 includes a processing table 11, a placement frame 12, a mounting frame 13, a hydraulic cylinder 14, a lifting plate 15, a punch 16, a rotating column 17, a blanking hole 18, a rotating plate 19, a slide seat 110, a connecting rod 111, an electric cylinder 113, a connecting frame 114 and a clamping plate 115;

[0030] A placing frame 12 is welded to the middle part of the upper surface of the processing table 11, and a blanking hole 18 is opened on the upper surface of the placing frame 12. A mounting frame 13 is welded to the upper surface of the processing table 11, and the mounting frame 13 is located on the outer side of the placing frame 12. A hydraulic cylinder 14 is installed on the top of the inner wall of the mounting frame 13, and one end of the piston rod of the hydraulic cylinder 14 is fixedly connected to a lifting plate 15, and a punch 16 is fixedly connected to the lower surface of the lifting plate 15. A rotating column 17 is rotatably connected to the middle part of the upper surface of the processing table 11 through a bearing, and a rotating plate 19 is welded to the top of the rotating column 17. Both sides of the outer wall of the placing frame 12 are slidably connected to a slide seat 110, and both sides of the outer wall of the rotating plate 19 are hinged with connecting rods 111, and one end of the connecting rod 111 away from the rotating plate 19 is hinged to the outer wall of the slide seat 110, one end of the piston rod of the electric cylinder 113 is fixedly connected to the outer wall of a slide seat 110, and a connecting frame 114 is welded on the upper surface of the slide seat 110. The top of the connecting frame 114 A clamping plate 115 is welded thereon; when the rotating column 17 rotates, it will drive the rotating plate 19 to rotate. When the rotating plate 19 rotates counterclockwise, it will push the connecting rod 111, and the connecting rod 111 will push the two slides 110 away from each other, and when the rotating plate 19 rotates clockwise, it will pull the connecting rod 111, and the connecting rod 111 will pull the two slides 110 closer to each other, so the two slides 110 always keep synchronously approaching each other or synchronously moving away from each other, and the workpiece is placed on the placement rack 12, and the hydraulic cylinder 14 drives the punch 16 downward to perform stamping processing on the workpiece, forming a hydraulic machinery that can complete the stamping operation, and before stamping, one end of the piston rod of the electric cylinder 113 is extended to push the two slides 110 closer to each other, which can drive the two clamping plates 115 closer to each other to clamp and fix the workpiece, forming a clamping device of the hydraulic machinery with the effect of fixing the workpiece, preventing the punching position of the workpiece from shifting and affecting the accuracy of the punching, and ensuring the processing effect of the hydraulic machinery on the workpiece.

[0031] like Figure 3 As shown, in some embodiments, the clamping assembly 10 also includes a bearing plate 112, a rubber pad 116, a limit block 117, a movable plate 118, a positioning rod 119 and a baffle 120. The right side wall of the mounting frame 13 is welded with the bearing plate 112, the bottom of the electric cylinder 113 is installed on the upper surface of the bearing plate 112, and one end of the piston rod of the electric cylinder 113 passes through the right side wall of the mounting frame 13; the bearing plate 112 is configured to support the electric cylinder 113.

[0032] like Figure 4 As shown, in some embodiments, a rubber pad 116 is bonded to one side of the clamping plate 115 close to the blanking hole 18; the rubber pad 116 can increase the friction between the clamping plate 115 and the workpiece, thereby improving the clamping and fixing effect.

[0033] like Figure 4As shown, in some embodiments, a limiting block 117 is welded on one side of the upper surface of the slide 110 close to the rotating plate 19 ; the setting of the limiting block 117 can prevent the slide 110 from slipping off.

[0034] like Figure 1 As shown, in some embodiments, two movable plates 118 are symmetrically welded to the outer wall of the lifting plate 15, and a positioning rod 119 is welded to the upper surface of the movable plate 118, and the positioning rod 119 is slidably connected to the mounting frame 13; the lifting plate 15 moves synchronously with the movable plate 118 and the positioning rod 119, and the positioning rod 119 can provide guidance for the lifting plate 15 when sliding up and down, thereby improving the movement stability of the lifting plate 15.

[0035] like Figure 1 As shown, in some embodiments, a baffle 120 is welded to the top of the positioning rod 119; the baffle 120 is used to prevent the positioning rod 119 from slipping off.

[0036] like Figure 2 and Figure 5 As shown, in some embodiments, a collecting assembly 20 is installed on the upper surface of the processing table 11, and the collecting assembly 20 includes a placement groove 21, a collection box 22, a guide hopper 23 and a handle 24. A placement groove 21 is opened on the rear side of the upper surface of the processing table 11, and the collection box 22 is placed on the inner wall of the placement groove 21. The guide hopper 23 is welded on the lower surface of the placement frame 12; the waste generated by punching will fall on the guide hopper 23 along the drop hole 18, and slide into the collection box 22 along the guide hopper 23, thereby completing the waste collection work.

[0037] like Figure 2 As shown, in some embodiments, two handles 24 are symmetrically welded to the outer side wall of the collection box 22 to facilitate moving the collection box 22 .

[0038] The working principle of the utility model is as follows: when the rotating column 17 rotates, it will drive the rotating plate 19 to rotate. When the rotating plate 19 rotates counterclockwise, it will push the connecting rod 111, and the connecting rod 111 will push the two slides 110 away from each other, and when the rotating plate 19 rotates clockwise, it will pull the connecting rod 111, and the connecting rod 111 will pull the two slides 110 closer to each other, so the two slides 110 always keep synchronously approaching each other or synchronously moving away from each other, and the workpiece is placed on the placement rack 12, and the hydraulic cylinder 14 drives the punch 16 downward to perform stamping processing on the workpiece, forming a hydraulic machinery that can complete the stamping operation, and before stamping, one end of the piston rod of the electric cylinder 113 is extended to push the two slides 110 closer to each other, which can drive the two clamping plates 115 closer to each other to clamp and fix the workpiece, forming a clamping device of the hydraulic machinery with the effect of fixing the workpiece, preventing the punching position of the workpiece from shifting and affecting the accuracy of the punching, and ensuring the processing effect of the hydraulic machinery on the workpiece.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A clamping device for a hydraulic machine, comprising a clamping assembly (10), characterized in that: The clamping assembly (10) comprises a processing table (11), a placing frame (12), a mounting frame (13), a hydraulic cylinder (14), a lifting plate (15), a punch (16), a rotating column (17), a blanking hole (18), a rotating plate (19), a sliding seat (110), a connecting rod (111), an electric cylinder (113), a connecting frame (114) and a clamping plate (115); A placing frame (12) is welded to the middle of the upper surface of the processing table (11), and a blanking hole (18) is opened on the upper surface of the placing frame (12). A mounting frame (13) is welded to the upper surface of the processing table (11), and the mounting frame (13) is located on the outer side of the placing frame (12). A hydraulic cylinder (14) is installed on the top of the inner wall of the mounting frame (13). One end of the piston rod of the hydraulic cylinder (14) is fixedly connected to a lifting plate (15), and the lower surface of the lifting plate (15) is fixedly connected to a punch (16). The middle of the upper surface of the processing table (11) is rotatably connected to a rotating column (11) via a bearing. 7), a rotating plate (19) is welded to the top of the rotating column (17), and slide seats (110) are slidably connected to both sides of the outer wall of the placement frame (12), and connecting rods (111) are hinged to both sides of the outer wall of the rotating plate (19), and one end of the connecting rod (111) away from the rotating plate (19) is hinged to the outer wall of the slide seat (110), one end of the piston rod of the electric cylinder (113) is fixedly connected to the outer wall of one of the slide seats (110), and a connecting frame (114) is welded to the upper surface of the slide seat (110), and a clamping plate (115) is welded to the top of the connecting frame (114).

2. A hydraulic mechanical clamping device according to claim 1, characterized in that: The clamping assembly (10) further comprises a bearing plate (112), a rubber pad (116), a limit block (117), a movable plate (118), a positioning rod (119) and a baffle (120); the right side wall of the mounting frame (13) is welded with the bearing plate (112); the bottom of the electric cylinder (113) is mounted on the upper surface of the bearing plate (112); and one end of the piston rod of the electric cylinder (113) passes through the right side wall of the mounting frame (13).

3. A hydraulic mechanical clamping device according to claim 2, characterized in that: A rubber pad (116) is bonded to one side of the clamping plate (115) close to the blanking hole (18).

4. A hydraulic mechanical clamping device according to claim 2, characterized in that: A limiting block (117) is welded to a side of the upper surface of the slide seat (110) close to the rotating plate (19).

5. A hydraulic mechanical clamping device according to claim 2, characterized in that: Two movable plates (118) are symmetrically welded to the outer side wall of the lifting plate (15), and a positioning rod (119) is welded to the upper surface of the movable plate (118), and the positioning rod (119) is slidably connected to the mounting frame (13).

6. A hydraulic mechanical clamping device according to claim 5, characterized in that: A baffle (120) is welded to the top end of the positioning rod (119).

7. A hydraulic mechanical clamping device according to claim 1, characterized in that: A collecting assembly (20) is installed on the upper surface of the processing table (11), and the collecting assembly (20) comprises a placement groove (21), a collection box (22), a guide hopper (23) and a handle (24). A placement groove (21) is opened on the rear side of the upper surface of the processing table (11), and the collection box (22) is placed on the inner side wall of the placement groove (21). The guide hopper (23) is welded on the lower surface of the placement frame (12).

8. A hydraulic mechanical clamping device according to claim 7, characterized in that: Two handles (24) are symmetrically welded to the outer side wall of the collection box (22).

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