Combined valve cover machining clamp

Abstract

The utility model provides a machining clamp for a valve cover of a combination valve. Comprising a base, a limiting assembly is arranged on the top of the base, a lifting assembly is arranged on the top of the base and located on the right side of the limiting assembly, and a clamping assembly is arranged on the surface of the lifting assembly and located on the top of the limiting assembly; a supporting frame is fixedly installed on the top of the base and located on the left side of the two-way threaded lead screw. According to the machining clamp for the valve cover of the combination valve, all parts of the machining clamp are arranged in a matched mode, a worker can conveniently adjust the machining clamp according to the size of the valve cover, the bottom of the valve cover is preliminarily limited, and the U-shaped frame is made to move to the proper height in cooperation with the lifting assembly and the clamping assembly; and the clamping blocks are driven to be attached to the surface of the valve deck, the stability of the clamping blocks is improved, in this way, the valve deck can be clamped in multiple directions, displacement during machining is avoided, and the machining precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical parts processing technical field especially relates to a combination valve bonnet machining clamp. BACKGROUND

[0002] The combination valve is a kind of hydraulic device with unloading, safety, check etc., is widely used in the oil pump outlet of oil supply device, and its performance can directly influence oil pressure, in production process, the through hole is needed to be machined on valve cover, and generally first line punching sample is then processed when producing small batch.

[0003] In the related art, the fixture is used to fix the processing object in the machining process, and the fixture is needed to be fixed in the process of producing and processing valve cover, application number: 202020254641.0 discloses a clamping device for valve cover machining, the device can better fix the valve cover needed to be processed by the simultaneous work of four clamping claws, and the valve cover with different sizes can be conveniently fixed, the position of the valve cover needed to be processed can be quickly positioned, the processing precision is increased, and the working efficiency is improved, and the device has high practicality, however, the valve cover with different sizes has certain difference in height, the device limits the bottom of valve cover by four clamping claws, and the stability is insufficient, which influences subsequent processing effect.

[0004] Therefore, it is necessary to provide a combination valve bonnet machining clamp to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] The utility model provides a combination valve bonnet machining clamp, solve the valve cover height of different size and there is certain difference, the stability of the existing part device is insufficient by four clamping claws to the bottom of valve cover, and the subsequent processing effect is influenced.

[0006] To solve the above technical problems, the utility model provides a combination valve bonnet machining clamp, comprising: base, the base top is provided with limiting assembly, the base top and located limiting assembly right side are provided with lifting assembly, the lifting assembly surface and located limiting assembly top are provided with clamping assembly;

[0007] The limiting assembly includes a bidirectional screw rod rotatably arranged on the inner side of the base, two sliding seats are threadedly arranged on the surface of the bidirectional screw rod, a sliding groove is formed in the inner side of the base to allow the sliding seats to slide forward and backward, a back-shaped frame is fixedly installed on the top of each sliding seat, a notch is formed in the inner side of each back-shaped frame close to the center, an activity plate is rotatably arranged in the notch, and two limiting wheels are rotatably arranged on the top and bottom of the activity plate.

[0008] The lifting assembly comprises a lifting frame arranged on the top of the base and located at the right side of the bidirectional screw rod, a threaded rod is rotatably arranged in the lifting frame, a lifting plate is threadedly arranged on the surface of the threaded rod, and a lifting groove is formed in the inner side of the lifting frame and used for allowing the lifting plate to slide up and down.

[0009] The clamping assembly comprises a U-shaped frame arranged on the surface of the lifting plate and located on the top of the back-shaped frame, two clamping blocks are arranged in the U-shaped frame, and electric telescopic rods for driving the adjacent clamping blocks to slide forward and backward are fixedly installed on the front and rear sides of the U-shaped frame.

[0010] Preferably, a knob for driving the bidirectional screw rod to rotate is rotatably arranged on the front side of the base, and the cross sections of the two movable plates are both in the shape of "V".

[0011] Preferably, a fixing block is fixedly installed on the top of the lifting frame, and a driving motor for driving the threaded rod to rotate is fixedly installed on the surface of the fixing block.

[0012] Preferably, connecting rods are arranged on the surface of the U-shaped frame and located on the left and right sides of the electric telescopic rods, and the connecting rods are slidably connected with the U-shaped frame, and one end of each of the connecting rods is fixedly connected with the side wall of the adjacent clamping block.

[0013] Preferably, a supporting frame is fixedly installed on the top of the base and located at the left side of the bidirectional screw rod, and a hydraulic cylinder is fixedly installed on the top of the supporting frame and close to the right side.

[0014] Preferably, the power output shaft of the hydraulic cylinder penetrates the inner side of the supporting frame, a machining motor is fixedly installed on the power output shaft of the hydraulic cylinder, and a drill bit for machining the valve cover is connected with the power output shaft of the machining motor.

[0015] Compared with the related art, the combined valve cover machining clamp has the following beneficial effects:

[0016] The combined valve cover machining clamp comprises a base, a lifting assembly and a clamping assembly, the base is provided with two movable plates, the two movable plates are arranged in a back-to-back mode, the two movable plates are provided with a bidirectional screw rod, the lifting assembly is arranged on the top of the base and located at the right side of the bidirectional screw rod, the lifting assembly comprises a lifting frame, a threaded rod is rotatably arranged in the lifting frame, a lifting plate is threadedly arranged on the surface of the threaded rod, and a lifting groove is formed in the inner side of the lifting frame and used for allowing the lifting plate to slide up and down. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The combined valve cover machining clamp comprises a base, a lifting assembly and a clamping assembly, the base is provided with two movable plates, the two movable plates are arranged in a back-to-back mode, the two movable plates are provided with a bidirectional screw rod, the lifting assembly is arranged on the top of the base and located at the right side of the bidirectional screw rod, the lifting assembly comprises a lifting frame, a threaded rod is rotatably arranged in the lifting frame, a lifting plate is threadedly arranged on the surface of the threaded rod, and a lifting groove is formed in the inner side of the lifting frame and used for allowing the lifting plate to slide up and down.

[0018] Figure 2 The combined valve cover machining clamp comprises a base, a lifting assembly and a clamping assembly, the base is provided with two movable plates, the two movable plates are arranged in a back-to-back mode, the two movable plates are provided with a bidirectional screw rod, the lifting assembly is arranged on the top of the base and located at the right side of the bidirectional screw rod, the lifting assembly comprises a lifting frame, a threaded rod is rotatably arranged in the lifting frame, a lifting plate is threadedly arranged on the surface of the threaded rod, and a lifting groove is formed in the inner side of the lifting frame and used for allowing the lifting plate to slide up and down. Figure 1 The combined valve cover machining clamp comprises a base, a lifting assembly and a clamping assembly, the base is provided with two movable plates, the two movable plates are arranged in a back-to-back mode, the two movable plates are provided with a bidirectional screw rod, the lifting assembly is arranged on the top of the base and located at the right side of the bidirectional screw rod, the lifting assembly comprises a lifting frame, a threaded rod is rotatably arranged in the lifting frame, a lifting plate is threadedly arranged on the surface of the threaded rod, and a lifting groove is formed in the inner side of the lifting frame and used for allowing the lifting plate to slide up and down.

[0019] Figure 3 As Figure 1 the structure diagram of the side view of the lifting frame shown in FIG.

[0020] Figure 4 As Figure 1 the structure diagram of the side view of the U-shaped frame shown in FIG.

[0021] The figure mark: 10, base; 20, limiting assembly; 21, bidirectional screw rod; 22, sliding seat; 23, sliding groove; 24, back-shaped frame; 25, movable plate; 26, limiting wheel; 30, lifting assembly; 31, lifting frame; 32, threaded rod; 33, lifting plate; 34, lifting groove; 35, driving motor; 40, clamping assembly; 41, U-shaped frame; 42, clamping block; 43, electric telescopic rod; 44, connecting rod; 50, support frame; 60, hydraulic cylinder; 70, machining motor. DETAILED DESCRIPTION

[0022] The utility model will be further described below in combination with the drawings and embodiments.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 Among them, Figure 1 the structure diagram of a preferred embodiment of the machining clamp for combined valve cover provided by the utility model is shown in FIG. Figure 2 As Figure 1 the structure diagram of the side view of the base shown in FIG. Figure 3 As Figure 1 the structure diagram of the side view of the lifting frame shown in FIG. Figure 4 As Figure 1 the structure diagram of the side view of the U-shaped frame shown in FIG. A machining clamp for combined valve cover comprises a base 10, the top of the base 10 is provided with a limiting assembly 20, the top of the base 10 and the right side of the limiting assembly 20 are provided with a lifting assembly 30, and the surface of the lifting assembly 30 and the top of the limiting assembly 20 are provided with a clamping assembly 40;

[0024] The limiting assembly 20 comprises a bidirectional screw rod 21 rotatably arranged on the inner side of the base 10, two sliding seats 22 are threadedly arranged on the surface of the bidirectional screw rod 21, the inner side of the base 10 is provided with a sliding groove 23 for the sliding seats 22 to slide forward and backward, the top of each sliding seat 22 is fixedly installed with a back-shaped frame 24, and the inner side of the back-shaped frame 24 is provided with a notch close to the center, the notch is rotatably provided with a movable plate 25, and the top and the bottom of the movable plate 25 are rotatably provided with two limiting wheels 26;

[0025] During use, the staff places the valve cover on the top of the base 10 near the center, manually rotates the knob, drives the bidirectional threaded screw rod 21 to rotate, makes the sliding seat 22 slide laterally to the center in the sliding groove 23, drives the back-shaped frame 24 to move through the movable plate 25, drives the limiting wheel 26 to contact the outer wall of the valve cover on the front and back sides, and the staff can adjust the valve cover size to preliminarily limit the bottom of the valve cover.

[0026] The lifting assembly 30 comprises a lifting frame 31 arranged on the top of the base 10 and located at the right side of the bidirectional threaded screw rod 21, a threaded rod 32 rotatably arranged in the lifting frame 31, and a lifting plate 33 threadedly arranged on the surface of the threaded rod 32.

[0027] According to the height of the valve cover, the staff drives the motor 35 to work, drives the threaded rod 32 to rotate, and drives the lifting plate 33 to slide up and down in the lifting groove 34, so that the clamping assembly 40 moves to the appropriate height.

[0028] The clamping assembly 40 comprises a U-shaped frame 41 arranged on the surface of the lifting plate 33 and located at the top of the back-shaped frame 24, two clamping blocks 42 arranged in the U-shaped frame 41, and a motorized telescopic rod 43 fixedly installed on the front and back sides of the U-shaped frame 41 and driving the adjacent clamping blocks 42 to slide forward and backward.

[0029] The motorized telescopic rod 43 starts to work, drives the clamping block 42 to adhere to the surface of the valve cover, and drives the connecting rod 44 to slide in the U-shaped frame 41, thereby increasing the stability of the clamping block 42, so that the valve cover can be clamped in multiple directions, avoiding displacement during processing and improving the processing accuracy.

[0030] The base 10 is rotatably provided with a knob for driving the bidirectional threaded screw rod 21 to rotate, and the cross sections of the two movable plates 25 are both "V"-shaped structures.

[0031] The lifting frame 31 is fixedly installed with a fixed block on the top, and the fixed block is fixedly installed with a driving motor 35 for driving the threaded rod 32 to rotate.

[0032] The U-shaped frame 41 is arranged with the connecting rod 44 penetrating through the left and right sides of the motorized telescopic rod 43 and being in sliding connection with the connecting rod 44, and one end of the connecting rod 44 is fixedly connected with the side wall of the adjacent clamping block 42.

[0033] The base 10 is fixedly installed with a support frame 50 on the top and at the left side of the bidirectional threaded screw rod 21, and the support frame 50 is fixedly installed with a hydraulic cylinder 60 on the top near the right side.

[0034] The hydraulic cylinder 60 power output shaft penetrates the inside of the support frame 50, and a machining motor 70 is fixedly installed, and the power output shaft of the machining motor 70 is connected with a drill bit used for machining the valve cover.

[0035] The working principle of the combined valve cover machining clamp is as follows:

[0036] First step: the staff places the valve cover on the top of the base 10 near the center during use, manually rotates the knob, drives the bidirectional threaded screw rod 21 to rotate, makes the sliding seat 22 slide to the center inside the sliding groove 23, the sliding seat 22 drives the back-shaped frame 24 to move, and the movable plate 25 drives the limiting wheel 26 to contact the outer wall of the valve cover on the front and back sides, and it is convenient for the staff to adjust according to the size of the valve cover, and the valve cover bottom is preliminarily limited;

[0037] Second step: according to the valve cover height judgment, the driving motor 35 starts to work, drives the threaded rod 32 to rotate, the threaded rod 32 drives the lifting plate 33 to slide up and down inside the lifting groove 34, and the clamping assembly 40 moves to the appropriate height;

[0038] Third step: the electric telescopic rod 43 starts to work, drives the clamping block 42 to adhere to the surface of the valve cover, and the clamping block 42 drives the connecting rod 44 to slide inside the U-shaped frame 41, increases the stability of the clamping block 42, so that the valve cover can be clamped in multiple directions, avoids displacement during machining, and improves the machining accuracy.

[0039] Compared with the related art, the combined valve cover machining clamp has the following beneficial effects:

[0040] Through the cooperation of various parts of the device, the staff can adjust according to the size of the valve cover, preliminarily limit the valve cover bottom, cooperate with the lifting assembly 30 and the clamping assembly 40, move the U-shaped frame 41 to the appropriate height, drive the clamping block 42 to adhere to the surface of the valve cover, increase the stability, so that the valve cover can be clamped in multiple directions, avoid displacement during machining, and improve the machining accuracy.

[0041] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A combination valve bonnet machining fixture characterized by, Include: The base (10) is provided with a limiting component (20) on the top, the lifting component (30) is provided on the top of the base (10) and the right side of the limiting component (20), the clamping component (40) is provided on the surface of the lifting component (30) and the top of the limiting component (20); The limiting component (20) comprises a bidirectional screw rod (21) rotatably arranged on the inner side of the base (10), two sliding seats (22) are threadedly arranged on the surface of the bidirectional screw rod (21), a sliding groove (23) is formed in the inner side of the base (10) and can be slid forward and backward, a return frame (24) is fixedly installed on the top of each sliding seat (22), a notch is formed in the inner side of the return frame (24) and close to the center, and an activity plate (25) is rotatably arranged in the notch, two limiting wheels (26) are rotatably arranged on the top and bottom of the activity plate (25); The lifting component (30) comprises a lifting frame (31) arranged on the top of the base (10) and on the right side of the bidirectional screw rod (21), a threaded rod (32) is rotatably arranged in the inner side of the lifting frame (31), a lifting plate (33) is threadedly arranged on the surface of the threaded rod (32), and a lifting groove (34) is formed in the inner side of the lifting frame (31) and can be slid upward and downward. The clamping component (40) comprises a U-shaped frame (41) arranged on the surface of the lifting plate (33) and on the top of the return frame (24), two clamping blocks (42) are arranged in the inner side of the U-shaped frame (41), and an electric telescopic rod (43) is fixedly installed on the front and rear sides of the U-shaped frame (41) and drives the adjacent clamping block (42) to slide forward and backward.

2. The combination valve cover machining fixture of claim 1, wherein, The front side of the base (10) is rotatably provided with a knob for driving the bidirectional screw rod (21) to rotate, and the cross sections of the two activity plates (25) are both "V" type structures.

3. The combination valve cover machining fixture of claim 1, wherein, A fixed block is fixedly installed on the top of the lifting frame (31), and a driving motor (35) for driving the threaded rod (32) to rotate is fixedly installed on the surface of the fixed block.

4. The combination valve cover machining fixture of claim 1, wherein, A connecting rod (44) is slidably connected with the surface of the U-shaped frame (41) and on the left and right sides of the electric telescopic rod (43), and one end of the connecting rod (44) is fixedly connected with the side wall of the adjacent clamping block (42).

5. The combination valve cover machining fixture of claim 1, wherein, A support frame (50) is fixedly installed on the top of the base (10) and on the left side of the bidirectional screw rod (21), and a hydraulic cylinder (60) is fixedly installed on the top of the support frame (50) and close to the right side.

6. The combination valve cover machining fixture of claim 5, wherein, The power output shaft of the hydraulic cylinder (60) penetrates the inner side of the support frame (50) and is fixedly installed with a machining motor (70), and the power output shaft of the machining motor (70) is connected with a drill bit for machining the valve cover.

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