Fixture for processing and perforating oil nozzle

Abstract

The utility model provides a fixture for processing and perforating an oil nozzle, which relates to the technical field of oil nozzle processing, and comprises a turntable, a guide rail wheel in bearing connection with a through hole at the center of the turntable, a guide rail groove and an inner arc, clamping structures arranged on the top surface of the guide rail wheel, a connecting seat arranged on the circumference of the top surface of the turntable, and a clamping arm arranged on the top surface of the connecting seat, a movable cavity is formed in the connecting base, a drawing rod is embedded in the movable cavity, a movable connecting rod is arranged between the two clamping arms, a containing plate is fixed to one end of the connecting base, a plurality of oil nozzles needing to be machined can be placed at the specified positions of the clamping structures in advance through the multiple clamping structures, and the machining efficiency is greatly improved; by means of the linkage mode of the clamping structures and the guide rail wheels, the clamping structures moving to the machining position can automatically clamp and limit a workpiece, the clamping structures disengaged from the machining position can automatically cancel clamping, workers can conveniently take out and recycle the machined workpiece, and the automatic operation process is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fuel injection nozzle processing technical field especially relates to fuel injection nozzle processing perforation clamp. BACKGROUND

[0002] The aperture (for example fuel injection hole) on the fuel injection nozzle is usually very small, and the position and size of the hole are very accurate, in order to ensure the machining accuracy, the fuel injection nozzle must be stably fixed in the correct position by the clamp, the arrow caused by the movement or shrinkage of the aluminum alloy during the machining process, the fuel injection nozzle needs to use the clamp during the machining process because the fuel injection nozzle structure is fine, the machining precision is high, and the aperture requirement is strict, so a stable and accurate clamping mode is required.

[0003] According to patent publication No. CN220006099U, a kind of fuel injection nozzle processing perforation clamp, belong to the technical field of clamp, it includes bottom plate, the workbench is fixed on the bottom plate, the accommodation cavity is formed between the workbench and the bottom plate, a plurality of clamping positioning mechanisms are arranged on the workbench.The clamping quantity of the present application is more, and clamping effect is good, when using, workpiece is inserted along the clamping hole on static boss, then, OK clamping work is driven by the working of cylinder, the clamping block in OK clamping drives dynamic boss to approach static boss, when dynamic boss and static boss are combined, workpiece can be clamped stably, and the perforation accuracy is ensured.

[0004] The traditional fuel injection nozzle processing clamp can only fix one workpiece, and needs to fix the workpieces one by one, after completing a workpiece, the next one is replaced, which reduces the production efficiency, and most of the traditional workpieces rely on manual operation, and there is a risk of workpiece when adjusting the position of workpiece or clamping manually, such as not waiting for the workpiece to be completely processed or not reaching the best opportunity for workpiece processing, which can easily cause the workpiece to be damaged during the processing. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the technical problem that workpieces need to be fixed one by one and manual intervention is too much in the prior art, and provides a fuel injection nozzle processing perforation clamp.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a fuel injection nozzle processing perforation clamp, including a turntable, a guide rail wheel is connected to the through hole in the center of the turntable through a bearing, a guide rail groove and an inner arc are formed on the top surface of the guide rail wheel, and the guide rail groove and the inner arc are in communication with each other, a clamping structure is arranged in the circumferential array on the top surface of the turntable, the clamping structure includes a connecting seat, a clamping arm is arranged on the top surface of the connecting seat, an active cavity is formed in the connecting seat, a pull rod is embedded in the active cavity, an active connecting rod is arranged between the two clamping arms, and a placing plate is fixed to one end of the connecting seat.

[0007] It can be seen that the above technical scheme, using multiple clamping structure can be placed in advance in the required processing of multiple fuel nozzle at the position specified by the clamping structure, greatly improving the processing efficiency, using the clamping structure and guide wheel linkage mode, the clamping structure can be automatically clamped to the workpiece at the moving processing position, and the clamping structure can be automatically cancelled at the processing position, facilitating the staff to take out the processed workpiece recycling, realizing the automatic operation process.

[0008] Preferably, the bottom of the rotating disc is provided with a base, the bottom surface of the guide wheel is fixed with a support rod, and the support rod is bolted and fixed with the top surface of the base.

[0009] It can be seen that in the above technical scheme, the guide wheel is fixed with the base through the support rod, and the guide wheel does not rotate with the rotating disc when the rotating disc rotates, ensuring the linkage movement of the clamping structure and the guide wheel when the rotating disc rotates.

[0010] Preferably, the top surface of the base is provided with a driving motor, the rotating end of the driving motor and the bottom surface of the rotating disc are both connected with gear parts, and the two groups of gear parts are meshed with each other.

[0011] It can be seen that in the above technical scheme, the gear part is equivalent to a gear, and the rotating disc can be rotated with the driving motor through the gear transmission mode.

[0012] Preferably, the movable cavity and the pull rod are both rectangular, and they are matched with each other, and the connecting end of the pull rod is matched with the guide groove and the inward arc.

[0013] It can be seen that in the above technical scheme, the connecting end of the pull rod can move along the inward arc and the guide groove, and the inward arc can make the pull rod severely outward to complete the clamping movement of the two clamping arms, and the position corresponding to the inward arc is the processing position.

[0014] Preferably, the movable connecting rod is embedded in the opening at the top surface of the connecting seat, and the movable connecting rod is connected with the top surface of the pull rod.

[0015] It can be seen that in the above technical scheme, the movable connecting rod passes through the opening at the top surface of the connecting seat and is connected at the position where the two clamping arms coincide.

[0016] Preferably, the reserved opening at the top surface of the placing plate is aligned with the opening position of the two clamping arms after clamping, and the corner of the clamping arm is hinged with the top surface of the connecting seat.

[0017] It can be seen that in the above technical scheme, the workpiece is placed in the reserved opening in advance, and the workpiece can be directly processed after the workpiece is rotated to the processing position with the clamping structure.

[0018] Preferably, the connecting seat is screw-fixed with the top surface of the rotating disc, and the positions of one end of the two clamping arms are staggered.

[0019] It can be seen that in the above technical solution, the connecting seat can be disassembled to increase or decrease the number, and can be replaced according to the situation, so that the upper clamping arm meets the clamping requirement.

[0020] Beneficial effects

[0021] In the utility model, multiple clamping structures can place multiple oil injection nozzles to be machined in advance at the positions specified by the clamping structures, greatly improving the machining efficiency. The rotation of the turntable can rotate the multiple clamping structures simultaneously. The clamping structure and the guide wheel are linked to move the clamping structure to the machining position to automatically clamp and limit the workpiece, and the clamping structure separated from the machining position can automatically cancel the clamping, which is convenient for workers to take out and recycle the machined workpiece. The rotation of the turntable realizes the automatic adjustment of the clamping structure and reduces the manual intervention, which can realize the automatic operation process, reduce the working strength of the operator and improve the production efficiency. At the same time, the clamping structure can only clamp the workpiece after rotating to the specified position, avoiding the damage of the workpiece caused by forced clamping in the incomplete machining process. The automatic cancellation of clamping can also avoid improper contact between the clamp and the workpiece, thereby reducing the damage risk.

[0022] In the utility model, the placement position of the oil injection nozzle to be machined is reserved on the placement plate in the clamping structure, which ensures that each oil injection nozzle is in the specified position during the machining process. Through the linkage of the clamping structure and the guide wheel, the workpiece is automatically clamped after rotating to the machining position with the clamping structure, avoiding the problem of inaccurate workpiece position caused by manual positioning and reducing manual intervention. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a perspective view of the utility model;

[0024] Figure 2 It is a top view of the utility model;

[0025] Figure 3 It is a front view of the utility model;

[0026] Figure 4 It is a schematic diagram of the clamping structure of the utility model;

[0027] Figure 5 It is a schematic diagram of the guide wheel of the utility model.

[0028] Reference signs: 1, turntable; 2, base; 3, support rod; 4, driving motor; 5, gear piece; 6, guide wheel; 61, guide groove; 62, inner arc; 7, clamping structure; 71, connecting seat; 72, movable cavity; 73, pull rod; 74, clamping arm; 75, movable connecting rod; 76, placement plate. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model will be further described below in combination with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor all belong to the protection scope of the utility model.

[0030] The specific embodiments of the utility model will be described below in combination with the drawings. Specific embodiments:

[0032] Referring to Figures 1-5 The fixture for machining the perforation of the oil nozzle comprises a rotating disc 1, the top surface of the rotating disc 1 is circumferentially arrayed with clamping structures 7, the clamping structures 7 are fixtures for machining the perforation of the oil nozzle, and are mainly used for clamping the oil nozzle that needs to be machined; the clamping structures 7 are circumferentially arrayed on the rotating disc 1 in multiple groups, a plurality of workpieces that need to be machined can be installed at the reserved clamping positions of the clamping structures 7 at one time, batch installation of the workpieces is realized, and the production efficiency is greatly improved; the fixture is suitable for mass production, and compared with the mode of completing the machining of one workpiece and then replacing the next one, time is saved. The clamping structure 7 comprises a connecting seat 71, the top surface of the connecting seat 71 is provided with clamping arms 74, the positions of the ends of the two clamping arms 74 are staggered with each other, an active cavity 72 is formed in the connecting seat 71, a pull rod 73 is embedded in the active cavity 72, an active connecting rod 75 is arranged between the two clamping arms 74, the active cavity 72 and the pull rod 73 are both rectangular, and they are matched with each other; the connecting ends of the pull rod 73 are matched with a guide rail groove 61 and an inner arc 62, the active connecting rod 75 is embedded in the opening in the top surface of the connecting seat 71, and the top surface of the active connecting rod 75 is connected with the pull rod 73; the reserved opening in the top surface of a placing plate 76 is aligned with the opening positions after the clamping of the two clamping arms 74; the rotating angle positions of the clamping arms 74 are hingedly connected with the top surface of the connecting seat 71; the clamping of the workpiece is mainly completed by the movement of the two clamping arms 74; the staggered positions between the two clamping arms 74 are connected through the active connecting rod 75, and the clamping plate is located on the top surface of the connecting seat 71; the pull rod 73 can be moved and adjusted in the rectangular active cavity 72 in the connecting seat 71; the active connecting rod 75 between the two clamping arms 74 passes through the opening in the top surface of the connecting seat 71 and is connected with the pull rod 73; the connecting positions of the rotating angle positions of the two clamping arms 74 and the top surface of the connecting seat 71 are also hingedly connected and movable; when the pull rod 73 moves along the active cavity 72, the clamping or loosening movement of the two clamping arms 74 can be completed, so that the workpiece at the specified position is clamped or loosened.

[0033] The through hole in the center of the rotating disc 1 is connected with a guide rail wheel 6, the top surface of the guide rail wheel 6 is provided with a guide rail groove 61 and an inward arc 62, and the guide rail groove 61 and the inward arc 62 are in communication with each other. It is necessary to point out that the guide rail wheel 6 is connected with the through hole in the center of the rotating disc 1 through a bearing, and the guide rail wheel 6 can not rotate with the rotating disc 1. The guide rail part of the top surface of the guide rail wheel 6 is composed of the guide rail groove 61 and the inward arc 62, the inward arc 62 is in communication with the guide rail groove 61, the position corresponding to the inward arc 62 is a machining position, the connecting end of the pull rod 73 is located in the guide rail groove 61, and the rotating disc 1 can drive the pull rod 73 to move along the guide rail groove 61 until the pull rod 73 reaches the position of the inward arc 62. Since the distance between the inward arc 62 and the connecting seat 71 is lengthened, the position of the pull rod 73 changes after reaching the inward arc 62, so that the pull rod 73 is extended. At this time, the two clamping arms 74 complete clamping of the workpiece, and the workpiece can be machined at this time. The workpiece is loosened, and the connecting end of the pull rod 73 passes through the inward arc 62 again and returns to the guide rail groove 61 again when the rotating disc 1 rotates again. Then, the workpiece is loosened, and the clamping structure 7 can rotate with the rotating disc 1 and realize linkage with the guide rail wheel 6. The clamping structure 7 can only clamp and fix the workpiece when the workpiece moves to the machining position, that is, when the workpiece moves to the position of the inward arc 62. The clamping structure 7 far away from the machining position will automatically cancel the clamping of the workpiece. Not only can the workpiece be damaged due to being clamped too early, but also the improper contact between the clamping structure 7 and the workpiece is reduced, thereby reducing the risk of damage. Only when the workpiece completely reaches the machining position, the clamp will be operated, thereby avoiding forced clamping when the workpiece is not completely machined, and facilitating the workpiece to be easily taken out by the worker

[0034] One end of the connecting seat 71 is fixedly provided with a placing plate 76, the connecting seat 71 and the top surface of the rotating disc 1 are fixedly connected through screws, a preventing plate is arranged at the connecting seat 71, and a workpiece preventing opening is reserved on the placing plate 76. Only by aligning and placing the workpiece to be machined with the reserved opening can the workpiece be installed, so that the oil injection nozzle can be in an accurate position during the machining process, and the workpiece can be directly clamped and fixed after moving to a specified position through linkage, so that the machining process is completed, and the problem of manually positioning the workpiece is avoided.

[0035] The bottom of the rotating disc 1 is provided with a base 2, the bottom surface of the guide rail wheel 6 is fixedly provided with a supporting rod 3, the supporting rod 3 is fixedly connected with the top surface of the base 2 through a bolt, the top surface of the base 2 is provided with a driving motor 4, the rotating end of the driving motor 4 and the bottom surface of the rotating disc 1 are both connected with gear pieces 5, and the two groups of gear pieces 5 are in meshing connection. In the embodiment, the guide rail wheel 6 is directly fixed with the base 2 through the supporting rod 3, so that the guide rail wheel 6 does not rotate with the rotating disc 1. Meanwhile, the gear piece 5 in the center of the bottom surface of the rotating disc 1 is in meshing connection with the gear piece 5 arranged at the rotating end of the driving motor 4, so that the rotating disc 1 can be driven when the driving motor 4 works.

[0036] In the utility model, unless another definite provision and limitation, first feature is "on" or "under" second feature can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them. Moreover, first feature "on", "above" and "on" second feature include that first feature is directly above and obliquely above second feature, or only indicate that first feature horizontal height is higher than second feature. First feature "under", "below" and "under" second feature include that first feature is directly below and obliquely below second feature, or only indicate that first feature horizontal height is less than second feature.

[0037] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above examples, the above examples and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fixture for machining a through hole in an oil nozzle, comprising a turntable (1), characterized in that: The inner bearing of the through hole in the center of the rotating disc (1) is connected with a guide rail wheel (6), the top surface of the guide rail wheel (6) is provided with a guide rail groove (61) and an inner collection arc (62), and the guide rail groove (61) and the inner collection arc (62) are communicated with each other, the top surface of the rotating disc (1) is circumferentially arrayed with a clamping structure (7), the clamping structure (7) comprises a connecting seat (71), the top surface of the connecting seat (71) is provided with a clamping arm (74), the inner part of the connecting seat (71) is provided with a movable cavity (72), the movable cavity (72) is embedded with a pull rod (73), the movable cavity (72) is provided with a movable connecting rod (75) between the two clamping arms (74), and one end of the connecting seat (71) is fixedly provided with a placing plate (76).

2. The nozzle machining jig according to claim 1, characterized by: The bottom of the rotating disc (1) is provided with a base (2), the bottom surface of the guide rail wheel (6) is fixedly provided with a supporting rod (3), and the supporting rod (3) is fixedly connected with the top surface of the base (2).

3. The nozzle machining collet of claim 2, wherein: The top surface of the base (2) is provided with a driving motor (4), the rotating end of the driving motor (4) and the bottom surface of the rotating disc (1) are both connected with a gear part (5), and the two gear parts (5) are meshed with each other.

4. The nozzle machining collet of claim 1, wherein: The movable cavity (72) and the pull rod (73) are both rectangular, and they are matched with each other, and the connecting end of the pull rod (73) is matched with the guide rail groove (61) and the inner collection arc (62).

5. The nozzle machining collet of claim 1, wherein: The movable connecting rod (75) is embedded in the opening in the top surface of the connecting seat (71), and the movable connecting rod (75) is connected with the top surface of the pull rod (73).

6. The nozzle machining collet of claim 1, wherein: The reserved opening in the top surface of the placing plate (76) is aligned with the opening position after the clamping of the two clamping arms (74), and the corner of the clamping arm (74) is hingedly connected with the top surface of the connecting seat (71).

7. The nozzle machining collet of claim 1, wherein: The connecting seat (71) and the top surface of the rotating disc (1) are fixedly connected by screws, and the positions of one end of the two clamping arms (74) are staggered.

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