CN211889165U - Tool for machining inclined groove of eccentric shaft - Google Patents

Tool for machining inclined groove of eccentric shaft Download PDF

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Publication number
CN211889165U
CN211889165U CN201922467766.1U CN201922467766U CN211889165U CN 211889165 U CN211889165 U CN 211889165U CN 201922467766 U CN201922467766 U CN 201922467766U CN 211889165 U CN211889165 U CN 211889165U
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eccentric shaft
chute
pressing
machining
processing
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CN201922467766.1U
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Chinese (zh)
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熊旭敏
冷汪林
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Guangdong Jinghe precision machining Co., Ltd
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Guangzhou Jinghe Precision Machining Co ltd
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Abstract

The utility model provides a frock for processing eccentric shaft chute, a serial communication port, including base, hydro-cylinder, hold-down mechanism and processing agency, hold-down mechanism is including compressing tightly the arm, compressing tightly needle and clamp plate, compress tightly the arm first end with the hydro-cylinder is articulated fixed, it fixes to compress tightly the needle compress tightly the second end of arm, the clamp plate cover is established compress tightly on the needle, the base is close to one side of clamp plate is provided with the fixed block, the fixed block is provided with the draw-in groove for place the eccentric shaft of treating processing, the clamp plate pushes down fixedly the eccentric shaft, processing agency is in the chute is processed out to the one end of eccentric shaft. The utility model provides a frock for processing eccentric shaft chute can realize fixing the eccentric shaft fast and fix a position through hold-down mechanism and locating piece, and rethread processing agency processes out the chute that meets the requirements on the eccentric shaft, and this frock convenient operation effectively improves production efficiency, equipment structure is simple moreover.

Description

Tool for machining inclined groove of eccentric shaft
Technical Field
The utility model belongs to the technical field of the technique of machining and specifically relates to a frock for processing eccentric shaft chute is related to.
Background
The eccentric shaft is generally fixed on a motor rotating shaft through an eccentric hole, and when the motor is started, the eccentric shaft performs cam motion and is widely applied to automobiles, engines, pumps and the like, so that when the eccentric shaft is machined, the machining precision requirement on each groove and hole in the eccentric shaft is very high, and the existing tool for machining the eccentric shaft is complex in structure, difficult to operate and low in production efficiency.
Therefore, it is necessary to provide a tooling for processing the eccentric shaft chute, which is convenient to operate and high in production efficiency.
SUMMERY OF THE UTILITY MODEL
Therefore, a tool for machining the eccentric shaft chute is needed, which is convenient to operate and high in production efficiency.
The embodiment of the utility model provides a frock for processing eccentric shaft chute, including base, hydro-cylinder, hold-down mechanism and processing agency, hold-down mechanism is including compressing tightly the arm, compressing tightly needle and clamp plate, compress tightly the arm first end with the hydro-cylinder is articulated fixed, it fixes to compress tightly the needle compress tightly the second end of arm, the clamp plate is fixed compress tightly on the needle, the base is close to one side of clamp plate is provided with the fixed block, the fixed block is provided with the draw-in groove for place the eccentric shaft of treating processing, the clamp plate pushes down fixedly the eccentric shaft, processing agency is in the chute is processed out to the one end of eccentric shaft.
Preferably, the oil cylinder comprises an oil cylinder main body and a fixing rod, the oil cylinder main body is fixedly connected with the base, the fixing rod is connected with a piston rod of the oil cylinder main body, and the fixing rod is driven by the piston rod to move back and forth in the vertical direction.
Preferably, the fixed rod is provided with a first hinge pin, the first hinge pin is connected with the first end of the pressing arm and the fixed rod, and the first end of the pressing arm is driven by the fixed rod to move back and forth in the vertical direction.
Preferably, the base further comprises at least one support block with a second hinge pin disposed thereon connecting the support block between the first and second ends of the hold down arm.
Preferably, a cushion block is arranged between the supporting block and the base.
Preferably, the clamping groove of the fixing block is a V-shaped groove formed by two inclined planes.
Preferably, a first groove is formed in one side of the pressing plate, which is in contact with the eccentric shaft, and the first groove corresponds to the eccentric shaft in position and has the same direction as the axial direction of the eccentric shaft.
Preferably, the base further comprises a positioning block, the positioning block is arranged on one side, close to the non-processing end of the eccentric shaft, of the base, the positioning block is provided with a second groove, and the second groove corresponds to the eccentric shaft in position and is in the same direction as the axial direction of the eccentric shaft.
Preferably, the base further comprises a baffle plate, and the baffle plate is arranged on one side of the base close to the non-processing end of the eccentric shaft and used for abutting against the eccentric shaft.
Preferably, the machining mechanism includes a milling cutter device provided at one side of a machining end of the eccentric shaft.
The utility model provides a frock for processing eccentric shaft chute can realize fixing the eccentric shaft fast and fix a position through hold-down mechanism and locating piece, and rethread processing agency processes out the chute that meets the requirements on the eccentric shaft, and this frock convenient operation effectively improves production efficiency, equipment structure is simple moreover.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 is a schematic structural diagram of a tooling for processing an eccentric shaft chute according to an embodiment of the present invention.
Fig. 2 is a side-view schematic structural diagram of a tooling for processing an eccentric shaft chute according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a V-shaped block of a tooling for processing an eccentric shaft chute according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a positioning block of the tooling for processing the eccentric shaft chute according to the embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a fixing rod of a tool for processing an eccentric shaft chute according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a pressing plate of a tool for processing an eccentric shaft chute according to an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a pressing pin of the tooling for processing the eccentric shaft chute according to the embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a supporting block of the tooling for processing the eccentric shaft chute according to the embodiment of the present invention.
Fig. 9 is a schematic structural diagram of a pressing arm of a tool for processing an eccentric shaft chute according to an embodiment of the present invention.
Detailed Description
To facilitate an understanding of the present invention, the present invention will now be described more fully with reference to the accompanying drawings.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 9, an embodiment of the present invention provides a tooling for processing an eccentric shaft chute, including a base 1, an oil cylinder 2, a pressing mechanism 3 and a processing mechanism, where the base 1 and the pressing mechanism 3 are made of a metal material, such as alloy steel, cast iron, etc., and can effectively improve strength and service life of the tooling, the pressing mechanism 3 includes a pressing arm 301, a pressing pin 302 and a pressing plate 303, a first end 305 of the pressing arm 301 is hinged and fixed to the oil cylinder 2, the pressing pin 302 is fixed to a second end 306 of the pressing arm 301, the pressing arm 301 may be straight or may be configured to be bent upwards, that is, a horizontal position of an axis of the second end 306 of the pressing arm 301 is higher than a horizontal position of an axis of the first end 305, and thus, the configuration can provide a sufficient space for installing the pressing plate 303; the end face of the pressing arm 301 can be provided with a mounting groove, a pressing pin 302 is inserted into the mounting groove and is fixedly connected with the pressing arm 301, a pressing plate 303 is provided with a mounting through hole, the pressing plate 303 is sleeved on the pressing pin 302 through the through hole, one side of the base 1 close to the pressing plate 303 is provided with a fixing block 103, the fixing block 103 can be fixed with the base 1 through a screw, a bottom groove with the same size as the fixing block 103 can be formed in the base 1, then the fixing block 103 is placed in the bottom groove, the fixing block 103 is provided with a clamping groove 104 for placing an eccentric shaft 4 to be processed, the clamping groove 104 can be a semicircular groove with the same diameter as the eccentric shaft 4, and the; the eccentric shaft 4 can be limited by the clamping groove 104, machining errors and defective products are avoided due to the fact that the eccentric shaft 4 slides when being machined, meanwhile, the eccentric shaft 4 is pressed down and fixed by the pressing plate 303, the position of the eccentric shaft 4 is further limited, and a chute is machined at one end of the eccentric shaft 4 by the machining mechanism.
Referring to fig. 1, in a preferred embodiment, the oil cylinder 2 includes an oil cylinder main body 201 and a fixing rod 202, the oil cylinder main body 201 is fixed to the base 1 by screws, the oil cylinder main body 201 is disposed in a direction in which a piston rod (not specifically identified in the figure) is upward, the fixing rod 202 is connected to the piston rod of the oil cylinder main body 201, the fixing rod 202 is driven by the piston rod to reciprocate in a vertical direction, a first hinge pin 203 is disposed at the other end of the fixing rod 202, the first hinge pin 203 connects a first end 305 of the pressing arm 301 and the fixing rod 202, that is, the pressing arm 301 and the fixing rod 202 are movably connected, the first end 305 of the pressing arm 301 is driven by the fixing rod 202 to reciprocate in the vertical direction, when the piston rod extends out, the piston rod drives the fixing rod 202 to move upwards, simultaneously, the first end 305 of the pressing arm 301 connected with the fixing rod 202 is driven to be lifted, and the second end 306 of the pressing arm 301 presses down the fixed eccentric shaft 4; when the piston rod retracts, the piston rod drives the fixing rod 202 to move downward, and simultaneously drives the first end 305 of the pressing arm 301 to press downward, at this time, the second end 306 of the pressing arm 301 is lifted, and the finished eccentric shaft 4 can be taken out.
Referring to fig. 1, 8 and 9, in a preferred embodiment, the base 1 further includes at least one supporting block 101, the supporting block 101 is disposed on one side of the base 1 close to the pressing arm 301 for supporting the pressing arm 301, the supporting block 101 is provided with a second hinge pin 102, the direction of the second hinge pin 102 is perpendicular to the pressing arm 301, the second hinge pin 102 connects the supporting block 101 between the first end 305 and the second end 306 of the pressing arm 301, and the pressing arm 301 is not in contact with the base 1, i.e. the pressing arm 301 and the supporting block 101 are movably connected, and the pressing arm 301 is disposed on the base 1, at this time, the pressing arm 301, the supporting block 101 and the fixing rod 202 form a lever, so that the power of the oil cylinder 2 can be reduced, and the lifting or pressing down of the pressing arm 301 is more labor-saving, i.e. when the piston rod extends, the piston rod drives the fixing rod 202 to move upwards and simultaneously drives the first end 305 of the pressing, due to the hinged connection of the support block 101 and the hold-down arm 301, the second end 306 of the hold-down arm 301 is pressed down; when the piston rod retracts, the piston rod drives the fixing rod 202 to move downward, and simultaneously drives the first end 305 of the pressing arm 301 to press downward, and at the same time, the second end 306 of the pressing arm 301 is lifted. When the pressing arm 301 is bent, the second hinge pin 102 is provided at the first end 305 of the pressing arm 301, and is preferably provided at a horizontal position perpendicular to the axial center direction of the first end 305.
In a further preferred embodiment, two supporting blocks 101 are arranged on the base 1, the two supporting blocks 101 are arranged oppositely, the pressing arm 301 is connected between the two supporting blocks 101 through a second hinge pin 102, and the two supporting blocks 101 are arranged to improve the stability of the movement of the pressing arm 301 in the supporting blocks 101 without swinging.
Referring to fig. 8, in other embodiments, only one support block 101 is provided, and the support block 101 is disposed in a "concave" shape, that is, the pressing arm 301 is connected to the groove through the second hinge pin 102, so that the installation operation of the support block 101 can be simplified, and only through holes need to be formed at the bottom of the groove, and the support block 101 can be fixed on the base 1 through screws.
Referring to fig. 2, in the preferred embodiment, the cushion blocks 107 are disposed between the supporting block 101 and the base 1, the number and height of the cushion blocks 107 can be adjusted, and when the eccentric shaft 4 with a larger diameter needs to be machined, the cushion blocks 107 need to be added to raise the second end 306 of the pressing arm 301; when the diameter of the eccentric shaft 4 to be processed is smaller, the cushion block 107 can be reduced, the height of the second end 306 of the pressing arm 301 can be reduced, and the power output of the oil cylinder 2 can be effectively reduced.
Referring to fig. 1 and 3, in a preferred embodiment, the clamping groove 104 of the fixing block 103 is a V-shaped groove formed by two inclined surfaces and used for placing the eccentric shaft 4 to be processed, the clamping groove 104 is designed to be a V-shaped groove for easily placing the eccentric shaft 4 to be processed, compared with the clamping groove designed to be a square groove or a circular groove, the size of the V-shaped groove has no complicated requirement, the clamping groove can be more suitable for eccentric shafts 4 with different sizes without replacing the fixing block 103, if the diameter of the square groove or the circular groove needs to be the same as the diameter of the eccentric shaft 4, otherwise, the eccentric shaft 4 rolls, the fixing block 103 must be replaced when eccentric shafts 4 with different sizes are processed, the operation difficulty is large, errors are easily caused by multiple replacement, and the clamping groove designed to.
Referring to fig. 6, in a preferred embodiment, a first groove 304 is formed on a side of the pressing plate 303 contacting the eccentric shaft 4, that is, a bottom of the pressing plate 303 is provided with the first groove 304, the first groove 304 corresponds to the eccentric shaft 4 in position and has the same direction as the axial direction of the eccentric shaft 4, the first groove 304 functions to further limit the position of the eccentric shaft 4 when the pressing plate 303 presses the eccentric shaft 4 downward, so as to prevent the eccentric shaft 4 from rotating during machining, and the first groove 304 may be designed as a semi-circular groove, a square groove or a V-shaped groove.
Referring to fig. 1 and 4, in a preferred embodiment, the base 1 further includes a positioning block 105, the positioning block 105 is disposed on a side of the base 1 close to a non-processing end of the eccentric shaft 4, that is, the eccentric shaft 4 has two ends, one end is a processing end to be processed, and the other end is a non-processing end not to be processed, because the eccentric shaft 4 is not a complete axisymmetric part, when the processing end processes the chute, the processing position has a very high precision requirement, generally speaking, the processing end is cylindrical, and therefore the processing position of the processing end needs to be determined according to the position of the non-processing end, the positioning block 105 is disposed below the non-processing end for supporting the end face of the non-processing end, and simultaneously positioning the eccentric shaft 4, the end face of the positioning block 105 supporting the eccentric shaft 4 is provided with a second groove 108, the second groove 108 corresponds to the position of the eccentric shaft 4, the eccentric shaft 4 can be placed in the processing device, and the processing position can be positioned by adjusting and aligning only by rotating the eccentric shaft 4.
Referring to fig. 1, in a preferred embodiment, the base 1 further includes a baffle 106, the baffle 106 is disposed on a side of the base 1 near a non-processing end of the eccentric shaft 4 and is connected and fixed with the base 1 through a screw, the baffle 106 can be disposed in parallel with the positioning block 105, i.e., from right to left, the baffle 106, the positioning block 105 and the base 1 are sequentially connected, the height of the baffle 106 is not lower than the eccentric shaft 4 and is in contact with the eccentric shaft 4 for abutting against the eccentric shaft 4, i.e., limiting the position of the eccentric shaft 4, so as to prevent the eccentric shaft 4 from sliding right during processing, thereby causing a processing.
Referring to fig. 2, in a preferred embodiment, the processing mechanism includes a milling cutter device 5, the milling cutter device 5 is disposed at one side of the processing end of the eccentric shaft 4, the processing mechanism can be externally connected with a hydraulic device (not specifically identified in the figure) to provide power output, the milling cutter device 5 is a saw blade-shaped milling cutter, and the milling cutter device 5 is close to the eccentric shaft 4 during processing to mill a chute at the processing end.
The utility model discloses a processing operation of a frock for processing eccentric shaft chute is: starting the oil cylinder 2, retracting an expansion rod of the oil cylinder 2 to drive the second end 306 of the pressing arm 301 to lift, placing the eccentric shaft 4 to be processed, adjusting the position of the eccentric shaft 4 on the positioning block 105, starting the oil cylinder 2 again, extending an expansion rod of the oil cylinder 2 to drive the second end 306 of the pressing arm 301 to press down, pressing the eccentric shaft 4, starting the processing mechanism, enabling the milling cutter device 5 to be close to the eccentric shaft 4 and processing a chute at the tail end of the eccentric shaft 4, keeping away from the eccentric shaft 4 after the processing is completed, and starting the oil cylinder 2 again to take.
The utility model provides a frock for processing eccentric shaft chute can realize fixing the eccentric shaft fast and fix a position through hold-down mechanism and locating piece, and rethread processing agency processes out the chute that meets the requirements on the eccentric shaft, and this frock convenient operation effectively improves production efficiency, equipment structure is simple moreover.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express the specific embodiments of the utility model, and the description thereof is specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The tool for machining the chute of the eccentric shaft is characterized by comprising a base, an oil cylinder, a pressing mechanism and a machining mechanism, wherein the pressing mechanism comprises a pressing arm, a pressing needle and a pressing plate, the first end of the pressing arm is hinged and fixed with the oil cylinder, the pressing needle is fixed at the second end of the pressing arm, the pressing plate is fixed on the pressing needle, a fixing block is arranged on one side, close to the pressing plate, of the base, a clamping groove is formed in the fixing block and used for placing the eccentric shaft to be machined, the pressing plate presses down to fix the eccentric shaft, and the machining mechanism machines the chute at one end of the eccentric shaft.
2. The tooling for processing the eccentric shaft chute as recited in claim 1, wherein the cylinder comprises a cylinder body and a fixing rod, the cylinder body is fixedly connected with the base, the fixing rod is connected with a piston rod of the cylinder body, and the fixing rod is driven by the piston rod to reciprocate in a vertical direction.
3. The tooling for processing the eccentric shaft chute as recited in claim 2, wherein the fixing rod is provided with a first hinge pin, the first hinge pin connects the first end of the pressing arm and the fixing rod, and the first end of the pressing arm reciprocates vertically under the driving of the fixing rod.
4. The tooling for manufacturing an eccentric shaft chute as set forth in claim 1, wherein said base further comprises at least one support block, said support block having a second hinge pin disposed thereon, said second hinge pin connecting said support block between said first and second ends of said hold down arm.
5. The tooling for processing the eccentric shaft chute as recited in claim 4, wherein a cushion block is disposed between the supporting block and the base.
6. The tooling for machining the eccentric shaft chute as recited in claim 1, wherein the clamping groove of the fixing block is a V-shaped groove formed by two inclined planes.
7. The tooling for machining the eccentric shaft chute as recited in claim 1, wherein a side of the pressing plate contacting the eccentric shaft is provided with a first groove corresponding to the eccentric shaft in position and in the same direction as the axial direction of the eccentric shaft.
8. The tooling for machining the eccentric shaft chute as recited in claim 1, wherein the base further comprises a positioning block, the positioning block is arranged on one side of the base close to the non-machining end of the eccentric shaft, the positioning block is provided with a second groove, and the second groove corresponds to the eccentric shaft in position and is in the same direction as the axial direction of the eccentric shaft.
9. The tooling for machining the eccentric shaft chute as recited in claim 1, wherein the base further comprises a baffle plate disposed on a side of the base near the non-machined end of the eccentric shaft for abutting against the eccentric shaft.
10. The tooling for machining an eccentric shaft chute as recited in claim 1 wherein said machining mechanism comprises a milling cutter assembly, said milling cutter assembly being disposed on a side of a machining end of said eccentric shaft.
CN201922467766.1U 2019-12-31 2019-12-31 Tool for machining inclined groove of eccentric shaft Active CN211889165U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922467766.1U CN211889165U (en) 2019-12-31 2019-12-31 Tool for machining inclined groove of eccentric shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922467766.1U CN211889165U (en) 2019-12-31 2019-12-31 Tool for machining inclined groove of eccentric shaft

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CN211889165U true CN211889165U (en) 2020-11-10

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CN201922467766.1U Active CN211889165U (en) 2019-12-31 2019-12-31 Tool for machining inclined groove of eccentric shaft

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112719436A (en) * 2020-12-17 2021-04-30 常熟建华模具科技股份有限公司 High-efficiency cutting device for casting head of glass mold

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112719436A (en) * 2020-12-17 2021-04-30 常熟建华模具科技股份有限公司 High-efficiency cutting device for casting head of glass mold

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Address after: 526000 plant 1 of maple (Zhaoqing) chemical coating Co., Ltd., No. 1, Zhenglong 1st Street, high tech Zone, Zhaoqing City, Guangdong Province

Patentee after: Guangdong Jinghe precision machining Co., Ltd

Address before: 511453 No.101, No.46 (workshop 2), Qixin Road, Dongyong Town, Nansha District, Guangzhou City, Guangdong Province

Patentee before: GUANGZHOU JINGHE PRECISION MACHINING Co.,Ltd.

CP03 Change of name, title or address