Turnover clamp for engine cylinder body
By designing an engine block tilting fixture with rotating components and synchronous belt drive, the problems of low efficiency and poor safety of traditional tilting methods are solved, achieving high-precision, stable and automated tilting operation, and adapting to various engine block sizes and shapes.
Patent Information
- Application Number
- CN202423220664.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-25
AI Technical Summary
Traditional engine block flipping methods rely on manual operation or simple mechanical equipment, which is inefficient and poses safety hazards. The fixtures have poor compatibility, cannot adapt to different sizes and shapes, have low flipping accuracy, and the workpieces are prone to loosening, affecting production safety and efficiency.
An engine block tilting fixture was designed, comprising a rotating assembly, a synchronous belt drive, a servo motor, and a quick-change clamping head. Synchronous rotation is achieved through a splined shaft sliding connection and synchronous belt drive. Combined with servo motor drive and cylinder limit groove adjustment, stable tilting and automated control are ensured, adapting to workpieces of different sizes and shapes.
It improves the accuracy and stability of engine block flipping, enhances the versatility and safety of the fixture, realizes automated operation, and reduces production costs and safety risks.
Smart Images
Figure CN223685377U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to engine cylinder manufacturing technical field, concretely is engine cylinder turnover fixture. BACKGROUND
[0002] In the current mechanical manufacturing and automobile repair industry, the turnover operation of engine cylinder is an indispensable link. The traditional engine cylinder turnover mode often relies on manual operation or simple mechanical equipment, which is not only low in efficiency, but also has great safety hazards.
[0003] Traditional fixtures often lack sufficient compatibility and cannot adapt to engine cylinders of various varieties, sizes and shapes, which leads to frequent replacement of fixtures or adjustment of production lines in actual production, thereby increasing production costs and reducing production efficiency. In addition, loosening of workpieces during turnover is another important problem of traditional fixtures. Since existing devices are mostly driven by one side, the synchronization of both sides is poor, and the rotation accuracy is low, which leads to insufficient clamping force to maintain the stability of the workpiece during turnover. This not only affects the accuracy of turnover, but also may cause damage to the workpiece and the fixture itself, thereby increasing the safety risk in the production process.
[0004] Therefore, based on the above search and in combination with the prior art, an engine cylinder turnover fixture is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at providing an engine cylinder turnover fixture to solve the problems raised in the background.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] The engine cylinder turnover fixture comprises a base, linear guides are fixedly installed on both sides of the bottom surface of the base, two sliders are slidably connected to the two linear guides, respectively, left and right clamping arms are arranged below the base, respectively, the top surfaces of the left and right clamping arms are connected to the bottom surfaces of the sliders, respectively, and fixed blocks are fixedly installed on the top surfaces of the left and right clamping arms; two clamping cylinders are arranged on the front and rear side walls of the base, respectively, and the output shafts are connected to the side walls of the two fixed blocks, respectively; and a rotating assembly is arranged on the left clamping arm.
[0008] Preferably, the rotating assembly comprises a spline shaft one, the spline shaft one is rotatably connected to the inner wall of the right clamping arm, a circular groove is formed in the side wall of the spline shaft one, a spline shaft two is slidably connected to the inner wall of the circular groove, and the spline shaft two is rotatably connected to the side wall of the left clamping arm on one side. The rotating assembly further comprises two sets of synchronous belt transmission members.
[0009] Preferably, the two sets of synchronous belt transmission members are arranged on the outer walls of the left and right clamping arms respectively, and the synchronous belt transmission assembly comprises: a shaft joint I, which is rotatably connected to the side wall of the right clamping arm and connected with the side wall of the spline shaft I, a shaft joint II rotatably connected below the shaft joint I, a synchronous belt arranged between the shaft joint I and the shaft joint II, a servo motor fixedly installed on the inner wall of the left clamping arm, the servo motor being used to drive the spline shaft II to rotate, and a protective shell arranged on one side of the shaft joint I and the shaft joint II.
[0010] Preferably, the left and right clamping arms are rotatably connected with harmonic gear reducers on the adjacent surfaces, and the two harmonic gear reducers are arranged with quick-change clamping heads on the adjacent surfaces.
[0011] Preferably, the side wall of the harmonic gear reducer is connected with one side of the shaft joint II, and the harmonic gear reducer rotates synchronously when the shaft joint I rotates.
[0012] Preferably, the top surfaces of the left and right clamping arms are fixedly installed with stop air cylinders, and the top surface of the base is provided with a plurality of limiting grooves, and the stop air cylinders and the plurality of limiting grooves are matched with each other.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] 1. In the utility model, the rotating assembly is designed to realize stable overturning of the engine cylinder body, the spline shaft I and the spline shaft II are slidably connected, and the synchronous belt transmission member is matched, so that the left and right clamping arms can rotate synchronously and accurately, this design not only improves the overturning precision, but also guarantees the stability and safety of the engine cylinder body during overturning, in addition, the servo motor is driven to realize automatic control of the overturning action, and the working efficiency is improved.
[0015] 2. In the utility model, the stop air cylinder and the limiting groove are arranged, the clamping position and range of the clamping arm can be adjusted according to different sizes and shapes of the engine cylinder body, so that the compatibility of different varieties of workpieces is realized, on the other hand, the design of the bolt locking mechanism further enhances the locking effect of the clamp during overturning, effectively prevents the loosening or falling off of the engine cylinder body, in addition, the quick-change clamping head is arranged, so that the clamp can quickly replace the clamping part to adapt to engine cylinder bodies of different sizes and shapes, thereby improving the versatility and practicality of the clamp. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure schematic view of the utility model;
[0017] Figure 2 It is a front side plane structure schematic view of the utility model;
[0018] Figure 3 It is the plane structure schematic diagram of the left clamping arm of the utility model;
[0019] Figure 4 It is the plane structure schematic diagram of the right clamping arm of the utility model;
[0020] Figure 5 It is the overhead structure schematic diagram of the utility model.
[0021] In the drawing: 1, base; 2, linear guide rail; 3, sliding block; 4, left clamping arm; 5, right clamping arm; 6, fixed block; 7, clamping cylinder; 8, harmonic reducer; 9, quick-change clamping head; 10, spline shaft one; 11, circular groove; 12, spline shaft two; 13, servo motor; 14, coupling one; 15, coupling two; 16, protective shell; 17, limiting groove; 18, stop cylinder. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] In a typical embodiment of the present application, please refer to Figures 1-5 As shown in the drawing, the engine cylinder body turnover clamp comprises a base 1, linear guide rails 2 are fixedly installed on the bottom surface of the base 1, two sliding blocks 3 are respectively and slidably connected to the two linear guide rails 2, the sliding blocks 3 can freely move on the linear guide rails 2, a left clamping arm 4 and a right clamping arm 5 are respectively arranged below the base 1, the top surfaces of the left clamping arm 4 and the right clamping arm 5 are respectively connected to the bottom surfaces of the sliding blocks 3, so that when the sliding blocks 3 move on the linear guide rails 2, the clamping arms also move correspondingly, fixed blocks 6 are fixedly installed on the top surfaces of the left clamping arm 4 and the right clamping arm 5, two clamping cylinders 7 are respectively arranged on the front side wall and the rear side wall of the base 1, and the output shafts of the two clamping cylinders 7 are respectively connected to the side walls of the two fixed blocks 6. By controlling the extension and retraction of the clamping cylinders 7, the clamping and loosening of the left clamping arm 4 and the right clamping arm 5 can be realized, and a rotating assembly is arranged on the left clamping arm 4 for realizing the turnover of the engine cylinder body;
[0024] The bottom surface of the base 1 is provided with a latch locking mechanism, the latch cylinder of the clamping cylinder 7 is extended and inserted into the pin hole after clamping, so that the locking effect is achieved, and different pin hole positions are set according to the multiple positions of the clamping cylinder 7, so as to meet the needs of different varieties of workpieces.
[0025] The rotating assembly comprises a spline shaft 10 and a spline shaft 12. The spline shaft 10 is rotatably connected to the inner wall of the right clamping arm 5, and a circular groove 11 is formed in the side wall of the spline shaft 10. The side wall of the spline shaft 12 is slidably connected to the inner wall of the circular groove 11, and one side of the spline shaft 12 is rotatably connected to the side wall of the left clamping arm 4. Two sets of synchronous belt transmission members are arranged on the outer walls of the left clamping arm 4 and the right clamping arm 5, respectively. Each set of synchronous belt transmission member comprises a shaft 14, a shaft 15 and a synchronous belt. The shaft 14 is rotatably connected to the side wall of the right clamping arm 5 and connected to the side wall of the spline shaft 10.
[0026] The shaft 15 is rotatably connected below the shaft 14, and the shaft 14 and the shaft 15 are connected by the synchronous belt. A servo motor 13 is fixedly installed on the inner wall of the left clamping arm 4. The output shaft of the servo motor 13 is connected to the spline shaft 12 for driving the spline shaft 12 to rotate. The shaft 14 and the shaft 15 are provided with a protective shell 16 on one side for protecting the synchronous belt transmission member from the interference of the external environment.
[0027] The harmonic reducer 8 is rotatably connected to the adjacent surface of the left clamping arm 4 and the right clamping arm 5. The quick-change clamping head 9 is arranged on the adjacent surface of the two harmonic reducers 8 for clamping the engine cylinder. The side wall of the harmonic reducer 8 is connected to one side of the shaft 15. When the servo motor 13 drives the shaft 14 to rotate, the shaft 15 will also rotate synchronously, thereby driving the harmonic reducer 8 and the quick-change clamping head 9 to rotate, realizing the overturning of the engine cylinder.
[0028] The stopper cylinder 18 is fixedly installed on the top surface of the left clamping arm 4 and the right clamping arm 5. A plurality of limiting grooves 17 are formed on the top surface of the base 1. The piston rod of the stopper cylinder 18 can extend into the limiting groove 17 for positioning and fixing the clamping arm during the overturning process.
[0029] As a preferred embodiment in this embodiment, please refer to Figure 1 ~ Fig.
[0030] Working principle:
[0031] In use, first, the engine cylinder body overturning clamp is moved to both sides of the engine cylinder body to be overturned, at this time, the base 1 stably supports the whole clamp, the slider 3 on the linear guide rail 2 is in the initial position, the left clamping arm 4 and the right clamping arm 5 are also correspondingly in the open state, the piston rod of the stop cylinder 18 does not extend into the limiting groove 17, and the clamping cylinder 7 also does not perform the clamping action, according to the size and shape of the engine cylinder body, the extension and retraction of the stop cylinder 18 are controlled and adjusted in position to limit the clamping range of the clamping cylinder 7, so that the left clamping arm 4 and the right clamping arm 5 can accurately clamp the engine cylinder body, then the clamping cylinder 7 is started, the output shaft of the clamping cylinder 7 drives the fixed block 6, and then drives the left clamping arm 4 and the right clamping arm 5 to move to the middle, until the engine cylinder body is clamped, at this time, the quick-change clamping head 9 is in close contact with the engine cylinder body, ensuring stable clamping, after the clamping cylinder 7 completes the clamping action, the pin cylinder extends, the pin is inserted into the pin hole on the engine cylinder body, realizing additional locking effect, ensuring that the engine cylinder body does not loosen or fall off during overturning, the servo motor 13 is controlled to be started, the output shaft of the servo motor 13 drives the spline shaft two 12 to rotate, since the spline shaft one 10 and the spline shaft two 12 are synchronously rotated through the circular groove 11 and the sliding connection, and the shaft coupling one 14 and the shaft coupling two 15 are connected through the synchronous belt, therefore, when the servo motor 13 rotates, the left clamping arm 4 and the right clamping arm 5 are driven to rotate, after the servo motor 13 rotates 180°, the engine cylinder body completes overturning, finally, the pin cylinder is controlled to retract the pin, then the clamping cylinder 7 is started in reverse action, the left clamping arm 4 and the right clamping arm 5 are loosened to clamp the engine cylinder body, at this time, the engine cylinder body can be removed from the clamp and prepared for the next operation.
[0032] The above merely describes a preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. An engine block flip fixture, characterized by: Include: The bottom surface of the base (1) is fixedly provided with linear guides (2) on both sides, two sliders (3) are respectively connected to the two linear guides (2), a left clamping arm (4) and a right clamping arm (5) are respectively arranged below the base (1), the top surfaces of the left clamping arm (4) and the right clamping arm (5) are connected to the bottom surfaces of the sliders (3), and the top surfaces of the left clamping arm (4) and the right clamping arm (5) are fixedly provided with fixing blocks (6); Two clamping cylinders (7) are arranged on the front and rear side walls of the base (1), and the output shafts are connected to the side walls of the two fixing blocks (6); A rotating assembly is arranged on the left clamping arm (4).
2. The engine block flip clamp of claim 1, wherein: The rotating assembly comprises: A spline shaft (10) is rotatably connected to the inner wall of the right clamping arm (5), a circular groove (11) is formed in the side wall of the spline shaft (10), a spline shaft (12) is slidably connected to the inner wall of the circular groove (11), and the spline shaft (12) is rotatably connected to the side wall of the left clamping arm (4). The rotating assembly further comprises two synchronous belt transmission members.
3. The engine block flip clamp of claim 2, wherein: The two synchronous belt transmission members are arranged on the outer walls of the left clamping arm (4) and the right clamping arm (5), and the synchronous belt transmission assembly comprises: A shaft (14) is rotatably connected to the side wall of the right clamping arm (5) and connected to the side wall of the spline shaft (10), a shaft (15) is rotatably connected below the shaft (14), a synchronous belt is arranged between the shaft (14) and the shaft (15), a servo motor (13) is fixedly arranged on the inner wall of the left clamping arm (4), the servo motor (13) is used to drive the spline shaft (12) to rotate, and a protective shell (16) is arranged on one side of the shaft (14) and the shaft (15).
4. The engine block flip clamp of claim 1, wherein: The adjacent surfaces of the left clamping arm (4) and the right clamping arm (5) are rotatably connected with harmonic reducers (8), and the adjacent surfaces of the two harmonic reducers (8) are provided with quick-change clamping heads (9).
5. The engine block flip clamp of claim 4, wherein: The side wall of the harmonic reducer (8) is connected to one side of the shaft (15), and the harmonic reducer (8) rotates synchronously when the shaft (14) rotates.
6. The engine block flip clamp of claim 1, wherein: The top surfaces of the left clamping arm (4) and the right clamping arm (5) are fixedly provided with stop cylinders (18), and the top surface of the base (1) is provided with a plurality of limiting grooves (17), the stop cylinders (18) and the plurality of limiting grooves (17) cooperate with each other.