Clamp for improving machining precision of hydraulic valve block

Abstract

The utility model discloses a clamp for improving the machining precision of a hydraulic valve block, and relates to the technical field of clamps. The second sliding seat is connected to the mounting plate in a sliding mode, a worm is connected to a mounted bearing of the second sliding seat in a matched mode, and the worm is connected with a worm gear in a matched mode. The worm gear is connected to a connecting rod in a matched mode, the connecting rod is connected with a plummer block installed on the second sliding base in a matched mode, and a clamping head is fixed to one end of the connecting rod through a bolt. The clamping head is oppositely provided with a jacking rod; according to the utility model, the second sliding seat moves on the mounting plate, so that the position can be conveniently and greatly adjusted, the worm wheel rotates to drive the worm in matched connection to rotate, the precision is higher, the clamping head is driven to rotate, the clamping head clamps one end of the valve block and can drive the valve block to rotate, and the jacking rod on the other side moves to be matched with the position adjustment for jacking.

Description

Technical Field

[0001] The utility model specifically relates to the technical field of clamps, in particular to a clamp used for improving the machining accuracy of a hydraulic valve block. Background Art

[0002] A fixture is a mechanical device used to fix and position workpieces in industrial production. It usually consists of a clamping device and a supporting device. The clamping device can fix the workpiece tightly on the workbench, and the supporting device can provide the necessary support force to ensure that the workpiece will not move or loosen during processing.

[0003] China Utility Model Publication No. CN 208132446 U discloses a quick fixing fixture, comprising a plurality of fixing members arranged at the periphery of a clamping station of a workpiece, each fixing member comprising a force-applying assembly extending downward from the upper surface of the fixing member along a tapered tube vertically arranged inside the fixing member and expanding the tapered tube outward through downward pressure; the fixing member comprises a spring sheet assembly connected to both sides of the tapered tube; the fixing member further comprises a pressing block arranged at a side of the clamping station of the fixing member facing the workpiece, the pressing block is pushed outward by the spring sheet assembly and presses the workpiece;

[0004] The above-mentioned quick fixing fixture combines a force-applying component with a spring sheet, so that the pressure block presses against the workpiece while the fixing part is fixed on the fixture device as a whole, thereby achieving the fixing and clamping of the fixture; however, there are many holes on the surface of the valve block, and different positions of the valve block need to be processed when processing different positions. After the holes are pushed into place, in order not to damage the valve block, a higher clamping accuracy is required; for this reason, we provide a fixture for improving the processing accuracy of the hydraulic valve block, which is matched by a worm gear and an adjustment of the screw thread to connect the first slide seat to drive the holding rod to move, and the moving length is more precise, thereby ensuring the clamping accuracy, helping to protect the valve block and make up for the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a clamp for improving the machining accuracy of a hydraulic valve block, so as to solve the problems raised in the background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A clamp for improving the machining accuracy of a hydraulic valve block comprises a second slide seat; the second slide seat is slidably connected to a mounting plate, a seat bearing of the second slide seat is matched with a worm, and the worm is matched with a worm wheel; the worm wheel is matched with a connecting rod, the connecting rod is matched with a seat bearing mounted on the second slide seat, and a clamping head is fixed to one end of the connecting rod by bolts; a supporting rod is arranged opposite to the clamping head.

[0008] As a further technical solution of the utility model, the supporting rod is inserted into the first slide, and the first slide is slidably connected to the mounting plate; one end of the supporting rod is clamped with the adjustment disk, and an adjustment screw is welded to one end of the adjustment disk close to the first slide, and the adjustment screw is threadedly connected to the threaded hole of the first slide.

[0009] As a further technical solution of the utility model, the clamping head is provided with a plurality of sliding grooves for facilitating the sliding connection of the clamping frame, and the clamping frame is fixed to the clamping head by bolts.

[0010] As a further technical solution of the utility model, the first slide seat and the second slide seat are respectively connected with the bidirectional threads of the double-threaded screw rod.

[0011] As a further technical solution of the utility model, the double-threaded screw is connected to a bearing seat installed on the mounting plate, and one end of the double-threaded screw is connected to a driving shaft of a driving motor, and the driving motor is fixed to the mounting plate by bolts.

[0012] As a further technical solution of the utility model, one end of the worm is connected with a rotating disk, and a rotating handle is fixed to the rotating disk by bolts.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model, the second slide seat moves on the mounting plate, can conveniently adjust the position to a large extent, and then the worm gear rotates to drive the worm connected to rotate, with higher precision, to drive the clamping head to rotate, the clamping head clamps one end of the valve block and can drive it to rotate, the holding rod on the other side moves, and the position is adjusted to hold it;

[0015] The utility model drives the adjusting screw rod to rotate by rotating the handle of the adjusting disk, and can drive the clamped adjusting disk to move slowly under the action of the threaded hole of the first slide seat, so as to clamp the valve block with higher precision.

[0016] The utility model provides that the position of the clamping frame on the clamping head can be adjusted, so as to facilitate the clamping of valve blocks with different diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0018] Figure 2 This utility model Figure 1 Schematic diagram from another perspective.

[0019] Figure 3 This utility model Figure 2 Schematic diagram of the internal structure.

[0020] Figure 4 This utility model Figure 1 A partial enlarged view of point A.

[0021] Figure 5 This utility model Figure 1 A partial enlarged view of point B.

[0022] Figure 6 This utility model Figure 3 A partial enlarged view of point C.

[0023] In the figure: 1-mounting plate, 2-driving motor, 3-first slide, 4-holding rod, 5-adjusting disk, 6-adjusting screw, 7-double-threaded screw, 8-clamping head, 9-clamping frame, 10-connecting rod, 11-worm gear, 12-worm, 13-rotating disk, 14-rotating handle, 15-second slide. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-6 In the embodiment of the utility model, the clamp for improving the machining accuracy of the hydraulic valve block includes a second slide seat 15; the second slide seat 15 is slidably connected to the mounting plate 1, and the seat bearing of the second slide seat 15 is matched with a worm 12, and the worm 12 is matched with a worm wheel 11; the worm wheel 11 is matched with a connecting rod 10, and the connecting rod 10 is matched with a seat bearing installed on the second slide seat 15, and one end of the connecting rod 10 is fixed with a clamping head 8 by bolts; the clamping head 8 is opposite to a supporting rod 4.

[0026] By adopting the above technical solution, the second slide 15 moves on the mounting plate 1, and the position can be adjusted greatly. The worm gear 11 is then rotated to drive the matched worm 12 to rotate with higher precision, thereby driving the clamping head 8 to rotate. The clamping head 8 clamps one end of the valve block and can drive it to rotate. The supporting rod 4 on the other side moves to support the valve block in coordination with the adjusted position.

[0027] In this embodiment, the supporting rod 4 is inserted into the first slide 3, and the first slide 3 is slidably connected to the mounting plate 1; one end of the supporting rod 4 is clamped with the adjustment disk 5, and the end of the adjustment disk 5 close to the first slide 3 is welded with an adjustment screw 6, and the adjustment screw 6 is connected to the threaded hole of the first slide 3 through a thread.

[0028] By adopting the above technical solution, the handle of the adjusting disk 5 is rotated to drive the adjusting screw 6 to rotate, and under the action of the threaded hole of the first slide seat 3, the clamped adjusting disk 5 can be driven to move slowly, so that the valve block can be clamped with higher precision.

[0029] In this embodiment, the clamping head 8 is provided with a plurality of sliding grooves for facilitating the sliding connection of the clamping frame 9, and the clamping frame 9 is fixed to the clamping head 8 by bolts.

[0030] By adopting the above technical solution, the position of the clamping frame 9 on the clamping head 8 can be adjusted to facilitate the clamping of valve blocks with different diameters.

[0031] In this embodiment, the first slide seat 3 and the second slide seat 15 are respectively connected with the bidirectional threads of the double-threaded screw rod 7 .

[0032] Furthermore, the double-threaded screw 7 is connected to a seated bearing mounted on the mounting plate 1, and one end of the double-threaded screw 7 is connected to a driving shaft of a driving motor 2, and the driving motor 2 is fixed to the mounting plate 1 by bolts.

[0033] By adopting the above technical solution, the driving shaft of the driving motor 2 drives the connected double-threaded screw 7 to rotate, and the first slide 3 and the second slide 15 are slidably connected to the mounting plate 1. Under the action of the double-threaded screw 7 threadedly connected to the first slide 3 and the second slide 15, the double-threaded screw 7 rotates, and the first slide 3 and the second slide 15 move in opposite directions, providing power for the movement of the first slide 3 and the second slide 15.

[0034] In this embodiment, one end of the worm 12 is connected to a rotating disk 13 , and a rotating handle 14 is fixed to the rotating disk 13 by bolts.

[0035] By adopting the above technical solution, the rotating handle 14 drives the rotating disk 13 and the worm 12 to rotate, so that the precision adjustment of the worm 12 is convenient.

[0036] The working principle of the utility model is as follows: when in use, the driving shaft of the driving motor 2 drives the connected double-threaded screw 7 to rotate, and the first slide 3 and the second slide 15 are slidably connected to the mounting plate 1. Under the action of the double-threaded screw 7 threadedly connected to the first slide 3 and the second slide 15, the double-threaded screw 7 rotates, and the first slide 3 and the second slide 15 move in opposite directions, providing power for the movement of the first slide 3 and the second slide 15; the rotating handle 14 drives the rotating disk 13 and the worm 12 to rotate, which is convenient for the precision adjustment of the worm 12; the second slide 15 moves on the mounting plate 1, which can facilitate The position is adjusted significantly, and then the worm wheel 11 is rotated to drive the matched worm 12 to rotate with higher precision, which drives the clamping head 8 to rotate. The clamping head 8 clamps one end of the valve block and can drive it to rotate, and the holding rod 4 on the other side moves to hold it in coordination with the adjusted position; by rotating the handle of the adjusting disk 5, the adjusting screw 6 is driven to rotate, and under the action of the threaded hole of the first slide seat 3, the clamped adjusting disk 5 can be driven to move slowly, so that the valve block can be clamped with higher precision; the clamping frame 9 can adjust the position on the clamping head 8, which is convenient for clamping valve blocks of different diameters.

[0037] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0038] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A fixture for improving the machining accuracy of a hydraulic valve block, characterized by: The invention comprises a second slide seat (15); the second slide seat (15) is slidably connected to the mounting plate (1); a worm (12) is matched with the seat bearing of the second slide seat (15); and the worm (12) is matched with the worm wheel (11); the worm wheel (11) is matched with the connecting rod (10); the connecting rod (10) is matched with the seat bearing mounted on the second slide seat (15); and a clamping head (8) is fixed to one end of the connecting rod (10) by bolts; and a supporting rod (4) is arranged opposite to the clamping head (8).

2. The clamp for improving the machining accuracy of a hydraulic valve block according to claim 1, characterized in that: The supporting rod (4) is inserted into the first slide (3), and the first slide (3) is slidably connected to the mounting plate (1); one end of the supporting rod (4) is clamped with the adjustment disk (5), and an adjustment screw (6) is welded to one end of the adjustment disk (5) close to the first slide (3), and the adjustment screw (6) is connected to the threaded hole of the first slide (3) through a thread.

3. The clamp for improving the machining accuracy of a hydraulic valve block according to claim 1, characterized in that: The clamping head (8) is provided with a plurality of sliding grooves for facilitating the sliding connection of the clamping frame (9), and the clamping frame (9) is fixed to the clamping head (8) by bolts.

4. The fixture for improving the machining accuracy of a hydraulic valve block according to claim 2, characterized in that: The first slide seat (3) and the second slide seat (15) are respectively connected to the bidirectional threads of the double-threaded screw rod (7).

5. The fixture for improving the machining accuracy of a hydraulic valve block according to claim 4 is characterized in that: The double-threaded screw (7) is cooperatively connected to a seated bearing mounted on the mounting plate (1), and one end of the double-threaded screw (7) is cooperatively connected to a drive shaft of a drive motor (2), and the drive motor (2) is fixed to the mounting plate (1) by bolts.

6. The fixture for improving the machining accuracy of a hydraulic valve block according to claim 1, characterized in that: One end of the worm (12) is connected to a rotating disk (13), and a rotating handle (14) is fixed to the rotating disk (13) by means of bolts.

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