Fixing device for automobile piston manufacturing

Abstract

The utility model relates to the technical field of automobile part machining, and discloses a fixing device for automobile piston manufacturing, which comprises a bottom plate, two groups of brackets are arranged on the upper surface of the bottom plate, one side of each bracket is provided with a containing groove, a lifting component is arranged between the two groups of brackets, and a fixing component is arranged on the upper surface of the lifting component. According to the utility model, through the integral arrangement of the fixing assembly, the effect of clamping the outer surface and the inner surface of the piston is achieved, the situation that a clamp needs to be replaced when the inner surface of the piston needs to be machined is avoided, and the effects of rotating the fixed piston and conveniently machining different surfaces of the piston are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to automobile parts processing technical field, concretely is a kind of fixing device for automobile piston manufacturing. BACKGROUND

[0002] Piston manufacturing fixing device is a device or structure used for fixing piston during piston manufacturing process, and its purpose is to ensure that piston maintains stable position during various machining operations, so as to accurately perform machining or operation.

[0003] The utility model discloses a kind of flexible piston fixing devices disclosed in the patent application file with the publication number "CN206605373U", two symmetrically arranged fixed guide rail supports, two damping shafts, base shaft, support pipe and several micro air cylinders, the fixed guide rail support is respectively provided with sliding block, the fixed guide rail support top is provided with the screw rod adjusting device connected with sliding block, the damping shaft is respectively arranged on sliding block, the base shaft is connected between two damping shafts, the support pipe is vertically arranged on base shaft, the several micro air cylinders are respectively vertically arranged on the outer circle of support pipe upper portion, the support pipe bottom side is provided with air inlet pipe and exhaust pipe, the telescopic rod end of the several micro air cylinders is respectively provided with rubber block.The flexible piston fixing device of the utility model adjusts the angle of support pipe and piston using the rotation of base shaft and damping shaft, good flexibility, convenient operation, and is conducive to improving piston outer surface polishing work efficiency.

[0004] The flexible piston fixing device disclosed in the above file has the following defects: when using the technical scheme, only the piston can be clamped from the inner wall, and when the inner wall of the piston needs to be machined, the clamp needs to be replaced, and the fixed piston cannot be rotated for machining, thereby the practicality is relatively low.

[0005] Therefore, the existing flexible piston fixing device does not have a good fixing structure, and the existing deficiencies need to be improved to provide a fixing device for automobile piston manufacturing. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a fixing device for automobile piston manufacturing to solve the problems in the above background technology.

[0007] To solve the above technical problems, the utility model is implemented by the following technical solutions:

[0008] The utility model is a kind of fixing device for automobile piston manufacturing, including bottom plate, the upper surface of the bottom plate is equipped with two groups of supports, the side of the support is all equipped with accommodating groove, and lifting assembly is provided between two groups of supports, and the upper surface of the lifting assembly is equipped with fixing assembly;

[0009] The fixing assembly comprises a support rod, a sleeve tooth and a micro electric push rod, the support rod is rotationally connected to the inner wall of the mounting plate, the outer surface of the support rod is fixedly provided with the sleeve tooth, and the circumferential surface of the sleeve tooth is fixedly provided with four groups of micro electric push rods.

[0010] The fixing assembly further comprises an arc-shaped clamping plate, a first buffer pad and a second buffer pad, the output end of each of the four groups of micro electric push rods is fixedly provided with an arc-shaped clamping plate, the outer surface of the arc-shaped clamping plate is fixedly provided with a first buffer pad, and the inner surface of the arc-shaped clamping plate is fixedly provided with a second buffer pad.

[0011] The fixing assembly further comprises a vertical rod, a placing plate and a limiting lifting rod, the upper surface of the support rod is fixedly provided with a vertical rod, one end of the vertical rod is fixedly provided with a placing plate, the circumferential surface of the placing plate is fixedly provided with four groups of limiting lifting rods, and one end of each of the four groups of limiting lifting rods is connected with the arc-shaped clamping plate.

[0012] Further, the lifting assembly comprises a mounting plate, a connecting plate, a lead screw, a first motor and a guide slide rod, the first motor is installed on the upper surface of one of the brackets, the output end of the first motor is provided with a lead screw, the lead screw is rotationally connected with the inner part of the accommodating groove, the guide slide rod is fixedly installed on the inner wall of the other accommodating groove, the outer surfaces of the guide slide rod and the lead screw are both slidingly connected with the connecting plate, and the mounting plate is fixedly installed between the two connecting plates.

[0013] Further, the fixing assembly further comprises a gear, a second motor and a driving rod, the second motor is installed on the lower surface of the mounting plate, the output end of the second motor is provided with a driving rod, the driving rod extends to the upper surface of the mounting plate, one end of the driving rod is fixedly provided with a gear, and the gear is meshingly connected with the sleeve tooth.

[0014] The utility model has the following beneficial effects:

[0015] (1) The utility model discloses a fixing assembly is set up, the piston is sleeved in the circumferential side surface of four groups of arc clamping plates, then starts the micro electric push rod and drives the arc clamping plate to be close to the inner surface of the piston and hold, can complete the fixed convenient processing to the outer surface of the piston sleeve, when needing to process the inner surface of the piston sleeve, starts the micro electric push rod and opens the arc clamping plate, then places the piston on the upper surface of the placing plate, again through the arc clamping plate of tightening and makes the arc clamping plate to the outer surface of the piston and hold fixed, can process the inner surface of the piston, through the setting of four groups of limit lifting rods, guarantee the stability of arc clamping plate, through the setting of second buffer pad and first buffer pad, reach when holding the surface of the piston and the inner surface of the piston and protect the surface of the piston from being damaged, in the processing process, through the starting second motor and drive the driving rod rotation, the driving rod drives the gear rotation, and the gear is engaged with the sleeve tooth, can make the gear drive the support rod rotate in the inner wall of the mounting plate, can reach the processing surface of the piston and adjust, through the overall setting of fixing assembly, reach the effect that can hold tightly the outer surface and the inner surface of the piston, avoid the situation that needs to change the fixture when needing to process the inner surface of the piston, also reach the piston in the rotation fixation, convenient to the effect that processes different surfaces of the piston.

[0016] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiment, obviously, the drawings in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0018] Figure 1 It is the whole structure one side schematic view of the utility model;

[0019] Figure 2 It is the fixing assembly structure schematic view of the utility model;

[0020] Figure 3 It is the whole structure another side schematic view of the utility model;

[0021] Figure 4 It is the bottom plate and support structure schematic view of the utility model;

[0022] In the drawings, the component list represented by each sign is as follows:

[0023] In the figure: 1, bottom plate; 2, support; 201, containing groove; 3, lifting assembly; 301, mounting plate; 302, connecting plate; 303, screw rod; 304, first motor; 305, guide sliding rod; 4, fixing assembly; 401, support rod; 402, sleeve tooth; 403, micro electric push rod; 404, arc clamping plate; 405, first buffer pad; 406, second buffer pad; 407, vertical rod; 408, placing plate; 409, limiting lifting rod; 410, gear; 411, second motor; 412, driving rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly 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, rather than 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.

[0025] Please refer to Figure 1 Figure 4 As shown in the figure, the utility model is a kind of fixing device for automobile piston manufacturing, including bottom plate 1, the upper surface of bottom plate 1 is equipped with two groups of supports 2, the side of support 2 is all equipped with containing groove 201, lifting assembly 3 is equipped between two groups of supports 2, the upper surface of lifting assembly 3 is equipped with fixing assembly 4.

[0026] Lifting assembly 3 includes mounting plate 301, connecting plate 302, screw rod 303, first motor 304 and guide sliding rod 305, first motor 304 is installed on the upper surface of one group of supports 2, the output end of first motor 304 is equipped with screw rod 303, screw rod 303 is rotatably connected with the inside of containing groove 201, guide sliding rod 305 is fixedly installed on the inner wall of another containing groove 201, the outer surface of guide sliding rod 305 and screw rod 303 is all slidably connected with connecting plate 302, two groups of connecting plate 302 are fixedly installed with mounting plate 301.

[0027] Fixing assembly 4 includes support rod 401, sleeve tooth 402 and micro electric push rod 403, support rod 401 is rotatably connected to the inner wall of mounting plate 301, support rod 401 is fixedly installed with sleeve tooth 402 on the outer surface, four groups of micro electric push rod 403 are fixedly installed on the circumferential surface of sleeve tooth 402;

[0028] Fixing assembly 4 further includes arc clamping plate 404, first buffer pad 405 and second buffer pad 406, the output end of four groups of micro electric push rod 403 is fixedly installed with arc clamping plate 404, the outer surface of arc clamping plate 404 is fixedly installed with first buffer pad 405, the inner surface of arc clamping plate 404 is fixedly installed with second buffer pad 406; ​

[0029] The fixing assembly 4 further comprises a vertical rod 407, a placing plate 408 and four groups of limiting lifting and retracting rods 409, the upper surface of the support rod 401 is fixedly installed with the vertical rod 407, one end of the vertical rod 407 is fixedly installed with the placing plate 408, the circumferential surface of the placing plate 408 is fixedly installed with the four groups of limiting lifting and retracting rods 409, and one end of each of the four groups of limiting lifting and retracting rods 409 is connected with the four groups of arc-shaped clamping plates 404;

[0030] The fixing assembly 4 further comprises a gear 410, a second motor 411 and a driving rod 412, the second motor 411 is installed on the lower surface of the mounting plate 301, the output end of the second motor 411 is installed with the driving rod 412, the driving rod 412 extends to the upper surface of the mounting plate 301, one end of the driving rod 412 is fixedly installed with the gear 410, and the gear 410 is in meshing connection with the sleeve teeth 402;

[0031] The piston is sleeved on the circumferential surface of the four groups of arc-shaped clamping plates 404, then the micro electric push rod 403 is started to drive the arc-shaped clamping plates 404 to tightly clamp the inner surface of the piston, so that the outer surface of the piston sleeve is conveniently fixed and machined, when the inner surface of the piston sleeve needs to be machined, the micro electric push rod 403 is started to open the arc-shaped clamping plates 404, then the piston is placed on the upper surface of the placing plate 408, and the arc-shaped clamping plates 404 are tightened to clamp and fix the outer surface of the piston, so that the inner surface of the piston can be machined, the stability of the arc-shaped clamping plates 404 is ensured through the arrangement of the four groups of limiting lifting and retracting rods 409, the surface of the piston is protected from being damaged when the outer surface and the inner surface of the piston are clamped through the arrangement of the second buffer pad 406 and the first buffer pad 405, the machining surface of the piston is adjusted by starting the second motor 411 to drive the driving rod 412 to rotate, the driving rod 412 drives the gear 410 to rotate, the gear 410 is in meshing connection with the sleeve teeth 402, so that the gear 410 drives the support rod 401 to rotate on the inner wall of the mounting plate 301, so that the machining surface of the piston is adjusted, the outer surface and the inner surface of the piston can be clamped through the overall arrangement of the fixing assembly 4, the piston in the rotating and fixing state is replaced when the inner surface of the piston needs to be machined, and the piston is conveniently machined on different surfaces;

[0032] In use, first, the piston is sleeved on the circumferential side surface of the four sets of arc-shaped clamping plates 404, and then the micro electric push rod 403 is started to drive the arc-shaped clamping plates 404 to abut and clamp the inner surface of the piston, so that the outer surface of the piston sleeve is conveniently fixed and machined. When the inner surface of the piston sleeve needs to be machined, the micro electric push rod 403 is started to open the arc-shaped clamping plates 404, and then the piston is placed on the upper surface of the placing plate 408, and then the arc-shaped clamping plates 404 are tightened to clamp and fix the outer surface of the piston, so that the inner surface of the piston can be machined. The stability of the arc-shaped clamping plates 404 is ensured through the arrangement of the four sets of limiting lifting and retracting rods 409. The surface of the piston is protected from being damaged when the outer surface and the inner surface of the piston are clamped through the arrangement of the second buffer pad 406 and the first buffer pad 405. During the machining process, the second motor 411 is started to drive the driving rod 412 to rotate, the driving rod 412 drives the gear 410 to rotate, the gear 410 is engaged with the sleeve teeth 402, so that the gear 410 drives the supporting rod 401 to rotate on the inner wall of the mounting plate 301, so that the machining surface of the piston can be adjusted. Through the overall arrangement of the fixing assembly 4, the outer surface and the inner surface of the piston can be clamped, the piston in the rotating and fixing state is replaced when the inner surface of the piston needs to be machined, and the effect of conveniently machining different surfaces of the piston is achieved. When the height of the fixing assembly 4 needs to be adjusted, the first motor 304 is started, the first motor 304 drives the lead screw 303 to rotate through the output end thereof, the lead screw 303 rotates, and the guide slide rod 305 is matched to make the connecting plate 302 slide along the guide slide rod 305 and the lead screw 303, so as to drive the mounting plate 301 to ascend and descend, and the mounting plate 301 drives the fixing assembly 4 to move up and down as a whole, so that the adjustment of the fixing position of the piston is realized to adapt to the machining requirements of different heights.

[0033] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments. Obviously, many modifications and changes can be made according to the content of the specification. The embodiments are selected and described in the specification in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A fixing device for manufacturing automobile pistons, comprising a base plate (1), characterized in that: Two sets of brackets (2) are installed on the upper surface of the base plate (1). Each of the brackets (2) has a receiving groove (201) on one side. A lifting assembly (3) is provided between the two sets of brackets (2). A fixing assembly (4) is provided on the upper surface of the lifting assembly (3). The fixing component (4) includes a support rod (401), a sleeve tooth (402), and a miniature electric actuator (403). The support rod (401) is rotatably connected to the inner wall of the mounting plate (301). The sleeve tooth (402) is fixedly installed on the outer surface of the support rod (401), and four sets of miniature electric actuators (403) are fixedly installed on the peripheral side of the sleeve tooth (402). The fixing component (4) also includes an arc-shaped clamping plate (404), a first buffer pad (405) and a second buffer pad (406). The output ends of the four sets of miniature electric actuators (403) are all fixedly installed with arc-shaped clamping plates (404). The outer surface of the arc-shaped clamping plate (404) is fixedly installed with the first buffer pad (405), and the inner surface of the arc-shaped clamping plate (404) is fixedly installed with the second buffer pad (406). The fixing component (4) also includes a pole (407), a placement plate (408), and a limiting lifting rod (409). The pole (407) is fixedly installed on the upper surface of the support rod (401). The placement plate (408) is fixedly installed at one end of the pole (407). Four sets of limiting lifting rods (409) are fixedly installed on the periphery of the placement plate (408). One end of each of the four sets of limiting lifting rods (409) is connected to one of the four sets of arc-shaped clamping plates (404).

2. The fixing device for manufacturing automobile pistons according to claim 1, characterized in that: The lifting assembly (3) includes a mounting plate (301), a connecting plate (302), a lead screw (303), a first motor (304), and a guide slide (305). The first motor (304) is mounted on the upper surface of one of the brackets (2). The output end of the first motor (304) is equipped with a lead screw (303). The lead screw (303) is rotatably connected to the inside of the receiving groove (201). The guide slide (305) is fixedly installed on the inner wall of another receiving groove (201). The outer surfaces of the guide slide (305) and the lead screw (303) are slidably connected with the connecting plate (302). The mounting plate (301) is fixedly installed between the two sets of connecting plates (302).

3. The fixing device for manufacturing automobile pistons according to claim 1, characterized in that: The fixing assembly (4) also includes a gear (410), a second motor (411) and a drive rod (412). The second motor (411) is mounted on the lower surface of the mounting plate (301). The output end of the second motor (411) is equipped with a drive rod (412). The drive rod (412) extends to the upper surface of the mounting plate (301). One end of the drive rod (412) is fixedly equipped with a gear (410). The gear (410) meshes with a sleeve gear (402).

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