Cam shaft support boring clamp

Abstract

The utility model relates to the technical field of camshaft supports, in particular to a camshaft support boring clamp which comprises supporting plates, an ejector block, a threaded sleeve and a threaded rod, the two supporting plates are each provided with a first bearing in an embedded mode, and inner rings of the two first bearings are each fixedly provided with a fixing rod. Hydraulic cylinders are installed at the opposite ends of the two fixing rods correspondingly, clamping frames are installed at the opposite ends of the two hydraulic cylinders correspondingly, second bearings are embedded in the two supporting plates below the two first bearings correspondingly, lead screws are fixedly installed on inner rings of the two second bearings, and the threaded sleeves are connected with the lead screws in an engaged mode. A retaining frame is welded to the top of the screw sleeve, a screw hole is formed in the top of the retaining frame, the screw rod is connected with the screw hole in a meshed mode, a third bearing is installed at the bottom of the top block, and the top of the screw rod is fixedly connected with an inner ring of the third bearing. The clamping device has the advantages that after a camshaft support workpiece is clamped and fixed, supporting force is provided for the camshaft support workpiece, and the machining stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to camshaft support technical field, concretely is a kind of camshaft support boring fixture. BACKGROUND

[0002] The camshaft support boring fixture is a tool for fixing camshaft support and processing hole during processing. This fixture is usually designed to maintain accurate position and angle for boring and other processing operations. It can ensure the consistency of hole position and size during processing, improve production efficiency and ensure processing quality.

[0003] The existing boring fixture cannot provide support force for the processed camshaft support workpiece after clamping and fixing the camshaft support workpiece. The boring equipment may generate high pressure when processing the camshaft support workpiece, which may cause the fixture to deform to some extent, especially during long-time processing, which may negatively affect the processing accuracy of the workpiece. UTILITY MODEL CONTENTS

[0004] The utility model discloses a camshaft support boring fixture, which can provide support force for the camshaft support workpiece after clamping and fixing it, and increase processing stability. The problem of the camshaft support boring fixture being unable to provide support force for the workpiece is solved.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a camshaft support boring fixture, comprising a fixed plate, a top block, a screw sleeve and a screw rod, the top of the fixed plate is welded with a support plate on both sides, two support plates are respectively embedded with bearing one, the inner ring of two bearings one is respectively fixedly installed with a fixed rod, the support plate side of one side of the top of the fixed plate is installed with a motor, the opposite end of two fixed rods is respectively installed with a hydraulic cylinder, the opposite end of two hydraulic cylinders is respectively installed with a clamping frame, two support plates below the bearing two are respectively embedded with bearing two, the inner ring of two bearings two is fixedly installed with a lead screw, the screw sleeve is engaged with the lead screw, the top of the screw sleeve is welded with a retainer, the top of the retainer is provided with a screw hole, the screw rod is engaged with the screw hole, the bottom of the top block is installed with bearing three, and the top of the screw rod is fixedly connected with the inner ring of bearing three.

[0006] When the camshaft support boring clamp is used, the fixed hole of the fixed plate is used, bolts and other tools are used to fix the fixed plate on the bearing structure of the boring equipment, the camshaft support workpiece to be processed is placed between the two clamps, the two hydraulic cylinders drive the two clamps to move to clamp and fix the camshaft support workpiece, the clamping plates in the two clamps respectively exert clamping force on the camshaft support workpiece through the elastic force of the springs, the motor drives the fixed rod to rotate through the transmission structure, the fixed rod drives the camshaft support workpiece to rotate and adjust the position of processing through the hydraulic cylinder and the clamp, the hand wheel is rotated to move the screw nut on the rotating screw rod according to the processing position of the camshaft support workpiece, the screw nut drives the top block to move to the appropriate position through the holder and the screw rod, the fixed disc is rotated to move the screw rod in the screw hole of the holder, the screw rod drives the top block to rise, the top block contacts the camshaft support workpiece, and the top block provides support force for the camshaft support workpiece, and the boring equipment performs boring processing on the fixed camshaft support workpiece.

[0007] Preferably, the motor transmission structure is fixedly connected with the fixed rod on one side of the top of the fixed plate. The motor drives the fixed rod to rotate through the transmission structure.

[0008] Preferably, springs are respectively arranged at the front and rear ends in the two clamps, and clamping plates are respectively arranged at opposite ends of the two groups of springs. The clamping plates in the two clamps respectively exert clamping force on the camshaft support workpiece through the elastic force of the springs.

[0009] Preferably, movable rods are respectively arranged on sides, away from each other, of the two groups of clamping plates, movable holes are respectively formed at the front and rear ends of the two clamps, and opposite ends of the two groups of movable rods respectively pass through the two groups of movable holes. The two groups of movable rods limit the two groups of clamping plates, and when the two groups of clamping plates move, the two groups of movable rods move in the two groups of movable holes, so that the two groups of clamping plates are prevented from shaking.

[0010] Preferably, a hand wheel is arranged at one end of the screw rod below the motor. The hand wheel can be used to rotate the screw rod.

[0011] Preferably, a sliding block is arranged at the bottom of the screw nut, a sliding groove is formed at the top of the fixed plate, and the sliding block and the sliding groove are in sliding connection. The sliding block provides support force for the screw nut, and when the screw nut moves on the screw rod, the sliding block slides in the sliding groove.

[0012] Preferably, a fixed disc is arranged at the bottom of the screw rod. The fixed disc can be used to rotate the screw rod.

[0013] Preferably, a connecting plate is arranged on the side of the top block, a connecting rod is arranged at the bottom of the connecting plate, a connecting hole is formed at the top of the holder, and the bottom of the connecting rod passes through the connecting hole. The connecting rod limits the top block, and when the top block drives the connecting plate to rise and fall, the connecting rod moves in the connecting hole, so that the top block is prevented from rotating.

[0014] Preferably, the fixing plate is provided with fixing holes in a rectangular array.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] The utility model discloses a camshaft support workpiece is clamped fixed after two clamping frames are used wheel rotation screw rod, and the screw nut moves on the rotating screw rod, and the screw nut moves the top block to the proper position below the camshaft support workpiece through the holder and screw rod, and the screw rod moves in the screw hole of the holder and rotates, and the screw rod drives the top block to ascend, and the top block contacts the camshaft support workpiece, and the top block provides the support force for the camshaft support workpiece, and the boring equipment is bored to the fixed camshaft support workpiece, and the effect that the camshaft support workpiece is clamped fixed and provides the support force is reached, and the processing stability is increased. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the first angle three -dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the second angle three -dimensional structure schematic diagram of the utility model;

[0019] Figure 3 It is the third angle three -dimensional structure schematic diagram of the utility model;

[0020] Figure 4 It is the clamping frame structure schematic diagram of the utility model;

[0021] Figure 5 It is the holder and top block structure schematic diagram of the utility model.

[0022] In the drawing: 1, fixed plate;2, support plate;3, motor;4, hydraulic cylinder;5, clamping frame;6, spring;7, clamping plate;8, holder;9, top block;10, bearing one;11, fixed rod;12, bearing two;13, screw rod;14, screw nut;15, sliding block;16, sliding slot;17, fixed hole;18, hand wheel;19, connecting plate;20, movable hole;21, movable rod;22, screw hole;23, bearing three;24, connecting hole;25, connecting rod;26, screw rod;27, fixed disc. DETAILED DESCRIPTION

[0023] In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiment of the utility model is explained in detail below.

[0024] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0025] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0027] Example 1

[0028] like Figures 1-5 As shown, the camshaft bracket boring fixture proposed in this utility model includes a fixed plate 1, a top block 9, a screw sleeve 14, and a screw 26. Support plates 2 are welded to both sides of the top of the fixed plate 1. Bearings 10 are embedded in each of the two support plates 2, and fixing rods 11 are fixedly installed on the inner rings of the two bearings 10. A motor 3 is installed on the side of the support plate 2 on one side of the top of the fixed plate 1. The transmission structure of the motor 3 is fixedly connected to the fixing rods 11 on one side of the top of the fixed plate 1. Hydraulic cylinders 4 are installed at opposite ends of the two fixing rods 11, and clamps 5 are installed at opposite ends of the two hydraulic cylinders 4. Springs are installed at the front and rear ends of the two clamps 5. Spring 6, two sets of springs 6 are respectively installed with clamping plates 7 at opposite ends, two support plates 2 below two bearings 10 are respectively embedded with bearings 12, and lead screws 13 are fixedly installed on the inner rings of the two bearings 12. A handwheel 18 is installed at one end of the lead screw 13 below the motor 3. A screw sleeve 14 is engaged with the lead screw 13. A retainer 8 is welded to the top of the screw sleeve 14. A screw hole 22 is opened on the top of the retainer 8. The screw 26 is engaged with the screw hole 22. A bearing 23 is installed at the bottom of the top block 9. The top of the screw 26 is fixedly connected to the inner ring of the bearing 23. A fixing plate 27 is installed at the bottom of the screw 26. The fixing plate 1 is arranged in a rectangular array with fixing holes 17.

[0029] In the embodiment, the fixed hole 17 of the fixed plate 1 is used to fix the fixed plate 1 on the bearing structure of the boring equipment by using bolts and other tools, the camshaft support workpiece to be machined is placed between the two clamps 5, the two hydraulic cylinders 4 drive the two clamps 5 to move to clamp and fix the camshaft support workpiece, the clamping plates 7 in the two clamps 5 respectively apply clamping force to the camshaft support workpiece through the elastic force of the springs 6, the motor 3 drives the fixed rod 11 to rotate through the transmission structure, the fixed rod 11 drives the camshaft support workpiece to rotate and adjust the position of machining through the hydraulic cylinder 4 and the clamp 5, according to the machining position of the camshaft support workpiece, the hand wheel 18 is used to rotate the screw rod 13, the screw sleeve 14 moves on the rotating screw rod 13, the screw sleeve 14 drives the top block 9 to move to the appropriate position through the retainer 8 and the screw rod 26, the fixed disc 27 is used to rotate the screw rod 26, the screw rod 26 rotates and moves in the screw hole 22 of the retainer 8, the screw rod 26 drives the top block 9 to rise, so that the top block 9 contacts the camshaft support workpiece, and the top block 9 provides supporting force for the camshaft support workpiece, and the boring equipment performs boring machining on the fixed camshaft support workpiece.

[0030] Embodiment two

[0031] As Figures 1-5 shown, compared with embodiment one, the boring clamp for the camshaft support of the utility model further comprises: sliding blocks 15, movable rods 21 and connecting rods 25, the two groups of clamping plates 7 are respectively provided with movable rods 21 on the sides away from each other, the two clamps 5 are respectively provided with movable holes 20 at the front and rear ends, the two groups of movable rods 21 are respectively inserted through the two groups of movable holes 20, the screw sleeve 14 is provided with a sliding block 15 at the bottom, the fixed plate 1 is provided with a sliding groove 16 at the top, the sliding block 15 and the sliding groove 16 are in sliding connection, the top block 9 is provided with a connecting plate 19 on the side, the connecting plate 19 is provided with a connecting rod 25 at the bottom, the retainer 8 is provided with a connecting hole 24 at the top, and the connecting rod 25 is inserted through the connecting hole 24 at the bottom.

[0032] In the embodiment, the sliding block 15 provides supporting force for the screw sleeve 14, when the screw sleeve 14 moves on the screw rod 13, the sliding block 15 slides in the sliding groove 16, the two groups of movable rods 21 limit the two groups of clamping plates 7, when the two groups of clamping plates 7 move, the two groups of movable rods 21 move in the two groups of movable holes 20, so as to avoid shaking of the two groups of clamping plates 7, the connecting rod 25 limits the top block 9, when the top block 9 drives the connecting plate 19 to rise and fall, the connecting rod 25 moves in the connecting hole 24, so as to avoid rotation of the top block 9.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A camshaft bracket boring fixture, comprising a fixing plate (1), a top block (9), a screw sleeve (14), and a screw (26), characterized in that: Support plates (2) are welded to the top two sides of the fixed plate (1). Bearings (10) are embedded in each of the two support plates (2). Fixing rods (11) are fixedly installed on the inner rings of the two bearings (10). A motor (3) is installed on the side of the support plate (2) on one side of the top of the fixed plate (1). Hydraulic cylinders (4) are installed at opposite ends of the two fixing rods (11). Clamps (5) are installed at opposite ends of the two hydraulic cylinders (4). Below the two bearings (10)... Two support plates (2) are respectively embedded with bearings (12), and screws (13) are fixedly installed on the inner rings of the two bearings (12). The screw sleeve (14) is engaged with the screw (13). A retainer (8) is welded to the top of the screw sleeve (14). A screw hole (22) is opened on the top of the retainer (8). The screw (26) is engaged with the screw hole (22). Bearing (23) is installed at the bottom of the top block (9). The top of the screw (26) is fixedly connected to the inner ring of bearing (23).

2. The camshaft bracket boring fixture according to claim 1, characterized in that: The transmission structure of the motor (3) is fixedly connected to the fixing rod (11) on the top side of the fixing plate (1).

3. The camshaft bracket boring fixture according to claim 1, characterized in that: Springs (6) are installed at the front and rear ends of the two clamps (5), and clamping plates (7) are installed at the opposite ends of the two sets of springs (6).

4. The camshaft bracket boring fixture according to claim 3, characterized in that: Movable rods (21) are installed on opposite sides of the two sets of clamps (7). Movable holes (20) are opened at the front and rear ends of the two clamps (5). The opposite ends of the two sets of movable rods (21) pass through the two sets of movable holes (20).

5. A camshaft bracket boring fixture according to claim 1, characterized in that: A handwheel (18) is installed at one end of the lead screw (13) below the motor (3).

6. A camshaft bracket boring fixture according to claim 1, characterized in that: The bottom of the screw sleeve (14) is equipped with a slider (15), and the top of the fixing plate (1) is provided with a groove (16). The slider (15) and the groove (16) are slidably connected.

7. A camshaft bracket boring fixture according to claim 1, characterized in that: A fixing plate (27) is installed at the bottom of the screw (26).

8. A camshaft bracket boring fixture according to claim 1, characterized in that: A connecting plate (19) is installed on the side of the top block (9), and a connecting rod (25) is installed at the bottom of the connecting plate (19). A connecting hole (24) is opened at the top of the retainer (8), and the bottom of the connecting rod (25) passes through the connecting hole (24).

9. A camshaft bracket boring fixture according to claim 1, characterized in that: The fixing plate (1) has fixing holes (17) arranged in a rectangular array.

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