CN215725649U - Symmetry inspection tool for automobile engine connecting rod - Google Patents
Symmetry inspection tool for automobile engine connecting rod Download PDFInfo
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- CN215725649U CN215725649U CN202121551851.7U CN202121551851U CN215725649U CN 215725649 U CN215725649 U CN 215725649U CN 202121551851 U CN202121551851 U CN 202121551851U CN 215725649 U CN215725649 U CN 215725649U
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Abstract
The utility model relates to a symmetry degree inspection tool for an automobile engine connecting rod, which comprises: the device comprises a tool support, a supporting seat arranged on the tool support, air channel handle switches arranged on two sides of the supporting seat, a connecting rod limiting mechanism, a main pressing mechanism, an auxiliary pressing mechanism and an upper surface detection mechanism which are arranged on the upper end surface of the supporting seat, and a lower surface detection mechanism arranged on the lower end surface of the supporting seat; the auxiliary pressing mechanism is used for performing vertical pre-pressing on the engine connecting rod, and the main pressing mechanism is used for performing vertical positioning pressing on the engine connecting rod and driving a measuring needle of a measuring meter of the upper surface detecting mechanism to lift; the upper surface detection mechanism is used for detecting the bending symmetry degree of the upper end surface of the engine connecting rod; the lower table detection mechanism is used for detecting the bending symmetry of the lower end face of the engine connecting rod; the utility model has the advantages that: the bending symmetry degree can be accurately read, the specific bending symmetry degree value is detected, the measurement error is small, the measurement precision is high and is 0.01mm, and frequent model changing is not needed.
Description
Technical Field
The utility model relates to the technical field of engine connecting rods, in particular to a symmetry degree inspection tool for an automobile engine connecting rod.
Background
In the processing and manufacturing industry of connecting rod forgings of engines, along with the rapid development of the modern manufacturing industry, the processing of forgings or the forming of stamping parts by using dies has become the mainstream development trend of the current manufacturing industry, so that the production efficiency of the manufacturing industry is greatly improved.
The connecting rod forging production process is easy to generate symmetry degree bent forgings, so a connecting rod forging bending symmetry degree inspection process is set in the connecting rod production, the bending symmetry degree of a connecting rod needs to be detected by 100%, a measurement inspection tool on the market at present is a connecting rod symmetry degree bending inspection tool, an adjustable height iron block is fixed on a platform according to the measurement principle, thickness gauge blocks of different products are used for calibration, a connecting rod part slides under the iron block, passing qualification and failing disqualification are achieved, however, the inspection tool has a large measurement mode error and cannot accurately measure the symmetry degree bending value, the product is very complicated to change types every time, risks exist in the detection process, and defective products easily flow out.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides a symmetry inspection tool for an automotive engine connecting rod, which is used for detecting a specific bending symmetry value of the engine connecting rod, so as to overcome the defects of the prior art.
The utility model provides a symmetry degree inspection tool for an automobile engine connecting rod, which comprises: the device comprises a tool support, a supporting seat arranged on the tool support, air channel handle switches arranged on two sides of the supporting seat, a connecting rod limiting mechanism, a main pressing mechanism, an auxiliary pressing mechanism and an upper surface detection mechanism which are arranged on the upper end surface of the supporting seat, and a lower surface detection mechanism arranged on the lower end surface of the supporting seat;
the connecting rod limiting mechanism consists of a main limiting stop and a side limiting stop, the main limiting stop and the side limiting stop are both arranged on the supporting seat, and the main limiting stop and the side limiting stop are used for supporting and limiting the horizontal movement of the connecting rod of the engine;
the auxiliary pressing mechanism is used for pre-pressing the engine connecting rod in the vertical direction, the auxiliary pressing mechanism is located right above the connecting rod limiting mechanism, and the auxiliary pressing mechanism comprises: the engine connecting rod compression device comprises a compression bracket, an auxiliary compression cylinder vertically installed on the compression bracket, a compression block installed on a piston rod of the auxiliary compression cylinder, and a buffer cushion block installed on the compression block, wherein the buffer cushion block compresses an engine connecting rod;
the main hold-down mechanism is used for positioning and pressing the engine connecting rod in the vertical direction and driving a measuring needle of a detection meter of the upper meter detection mechanism to ascend and descend, the main hold-down mechanism is located right above the connecting rod limiting mechanism, and the main hold-down mechanism comprises: the engine connecting rod pressing device comprises a main support frame, a main pressing cylinder vertically installed on the main support frame, a connecting seat installed on a piston rod of the main pressing cylinder, and a pressing fork installed on the connecting seat, wherein the pressing fork is used for pressing the engine connecting rod;
wherein, it is used for detecting the crooked symmetry of engine connecting rod up end to go up detection mechanism, it includes to go up detection mechanism: the device comprises an upper gauge seat, two upper detection gauges and a measuring pin lifting block, wherein the upper gauge seat is installed on a main support frame, the two upper detection gauges are symmetrically installed on two sides of the upper gauge seat, the measuring pin lifting block is installed on the upper gauge seat, the two upper detection gauges are vertically installed on the upper gauge seat, the measuring pin lifting block is fixedly connected to a gauge rod measuring pin of the upper detection gauge and is in contact with the upper end face of a pressure fork, the pressure fork is in contact with the measuring pin lifting block when ascending and drives the measuring pin lifting block to ascend, and gauge rod measuring pins of the two upper detection gauges are in contact with detection points of an engine connecting rod;
wherein, the following table detection mechanism is used for detecting the bending symmetry of the lower end face of the engine connecting rod, and the following table detection mechanism comprises: the engine connecting rod detection device comprises a lower meter seat arranged on the lower end face of a mounting support seat, two lower detection meters symmetrically arranged on two sides of the lower meter seat, and two through holes formed in the support seat, wherein the two lower detection meters are vertically arranged on the lower meter seat, and meter rod measuring needles of the two lower detection meters penetrate through the two through holes to be in contact with an engine connecting rod on the support seat;
and the two air path handle switches are used for respectively controlling the opening and closing of the auxiliary compression cylinder and the main compression cylinder.
As a preferred structure of the utility model, the supporting seat is of a rectangular structure, one side of the supporting seat, which is positioned on the lower meter seat, is provided with an avoidance watching groove, and two sides of the supporting seat are provided with air circuit handle switch installation seats.
As a preferable structure of the utility model, the main limit stop consists of a stop main body and a positioning groove arranged on one side of the stop main body, the stop main body is fixedly connected on the supporting seat through a bolt, and the shape of the positioning groove is consistent with that of one end of the engine connecting rod.
As a preferable structure of the present invention, the two upper detection tables and the two lower detection tables are symmetrically arranged.
As a preferable structure of the utility model, the pressure fork consists of two integrally formed pressure levers, the lower end surfaces of the two pressure levers are in contact with the engine connecting rod and are used for pressing the engine connecting rod, and the upper end surfaces of the two pressure levers are in contact with the measuring needle lifting block and are used for driving the measuring needle lifting block to ascend.
The utility model has the advantages and positive effects that:
1. the symmetry degree inspection tool can accurately read and detect a specific bending symmetry degree value, has small measurement error and high measurement precision of 0.01mm, and does not need frequent model changing.
2. The utility model can limit the horizontal direction of the engine connecting rod through the connecting rod limiting mechanism, can quickly and accurately position the engine connecting rod through the positioning groove of the main limiting stop, and quickly positions the side surface of the engine connecting rod through the side limiting stop, thereby greatly shortening the time for pre-positioning the workpiece.
3. The auxiliary pressing mechanism is used for quickly pre-positioning the engine connecting rod in the vertical direction, and the damage to the workpiece can be solved through the buffer cushion block on the auxiliary pressing mechanism.
4. The utility model stably clamps and positions the engine connecting rod in the vertical direction through the main pressing mechanism, and indirectly drives the detection meter measuring needle of the upper surface detection mechanism to detect through the pressing fork on the auxiliary pressing mechanism.
5. The utility model simultaneously detects through the upper surface detection mechanism and the lower surface detection mechanism, and has higher efficiency and lower error rate through a vertical comparison mode.
6. The utility model effectively solves the problems of large quantity of workpieces and long detection time.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description taken in conjunction with the accompanying drawings. In the drawings:
fig. 1 is one of perspective views of the overall structure according to an embodiment of the present invention.
Fig. 2 is a perspective view of the whole structure of the second embodiment of the present invention.
Wherein the reference numerals include: tooling support 1, supporting seat 2, dodge and watch groove 201, gas circuit handle switch 3, connecting rod stop gear 4, main limit stop 401, side limit stop 402, constant head tank 403, main hold-down mechanism 5, main strut 501, main pressure cylinder 502, connecting seat 503, pressure fork 504, vice hold-down mechanism 6, hold-down support 601, vice hold-down cylinder 602, compact heap 603, cushion block 604, go up table detection mechanism 7, go up table 701, go up detection table 702, survey needle hoisting block 703, table pole measuring stylus 704, lower table detection mechanism 8, lower table seat 801, examine table 802 down, pass hole 803, table pole measuring stylus 804.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.
Fig. 1-2 show an overall structural schematic according to an embodiment of the present invention.
As shown in fig. 1-2, the symmetry testing tool for the connecting rod of the automobile engine provided by the embodiment of the utility model comprises: the tool support 1, install supporting seat 2 on tool support 1, install the gas circuit handle switch 3 in supporting seat 2 both sides, install connecting rod stop gear 4, main hold-down mechanism 5, vice hold-down mechanism 6 and last detection mechanism 7 on the up end of supporting seat 2, install the lower table detection mechanism 8 on the terminal surface under supporting seat 2.
Connecting rod stop gear 4 in this embodiment comprises main limit stop 401 and side limit stop 402, main limit stop 401 is installed in the left side of supporting seat 2, and side limit stop 402 is installed on the right side of supporting seat 2, and main limit stop 401 is used for restricting the left end (big end side) end position of engine connecting rod, and side limit stop 402 restricts the side position of the right-hand member (little end side) of engine connecting rod, main limit stop 401 comprises the dog main part and the constant head tank 403 of seting up in dog main part one side, the dog main part links firmly on supporting seat 2 through the bolt, the shape of constant head tank 403 is unanimous with the big end of engine connecting rod.
The auxiliary pressing mechanism 6 in this embodiment is used for performing vertical pre-pressing on the engine connecting rod, the auxiliary pressing mechanism 6 is located right above the connecting rod limiting mechanism, and the auxiliary pressing mechanism 6 includes: the engine connecting rod compression device comprises a compression bracket 601, an auxiliary compression cylinder 602 vertically installed at the upper end of the compression bracket 601, a compression block 603 installed on a piston rod of the auxiliary compression cylinder 602, and a cushion block 604 installed on the compression block 603, wherein the cushion block 604 compresses one side of the engine connecting rod close to the main limit stop 401.
Main hold-down mechanism 5 in this embodiment is used for carrying out vertical direction location to the engine connecting rod and compressing tightly and be used for driving the lift of table measurement of last detection mechanism 7, main hold-down mechanism 5 is located directly over the connecting rod stop gear, main hold-down mechanism 5 includes: the engine connecting rod pressing device comprises a main supporting frame 501, a main pressing cylinder 502 vertically installed at the rear of the upper end of the main supporting frame 501, a connecting seat 503 installed on a piston rod of the main pressing cylinder 502, and a pressing fork 504 installed on the connecting seat 503, wherein the pressing fork 504 is used for pressing the engine connecting rod; the pressure fork 504 is composed of two integrally formed pressure levers, the lower end surfaces of the two pressure levers are in contact with the engine connecting rod and used for pressing the engine connecting rod, and the upper end surfaces of the two pressure levers are in contact with the probe lifting block and used for driving the probe lifting block to ascend.
The upper surface detection mechanism 7 in this embodiment is configured to detect a degree of symmetry of bending of an upper end surface of an engine connecting rod, and the upper surface detection mechanism 7 includes: the pressure fork 504 is contacted with the measuring needle lifting block 703 and drives the measuring needle lifting block 703 to ascend when ascending, and the measuring needle 704 of the two upper detecting meters 702 is contacted with a detection point of an engine connecting rod.
The following table detection mechanism 8 in this embodiment is used to detect the bending symmetry of the lower end surface of the engine connecting rod, and the following table detection mechanism 8 includes: lower gauge stand 801 on the terminal surface under the erection bracing seat 2, symmetry install two down detection table 802 in gauge stand 801 both sides down and set up two on supporting seat 2 and pass hole 803, two down detection table 802 vertically installs on gauge stand 801 down, two down the gauge rod needle 804 of detection table 802 passes two pass through hole 803 and the engine connecting rod contact on the supporting seat 2. The two upper detection tables 702 and the two lower detection tables 802 are symmetrically arranged.
The two air path handle switches 3 in this embodiment are used to respectively control the on/off of the auxiliary pressing cylinder 602 and the main pressing cylinder 502.
Supporting seat 2 in this embodiment is the rectangle structure, one side that lies in the gauge stand down on supporting seat 2 sets up dodges and watches groove 201, the both sides of supporting seat 2 are provided with gas circuit handle switch mount pad.
The working principle is as follows: firstly, a main limit stop 401 and a side limit stop 402 of a connecting rod limit mechanism 4 are used for positioning an engine connecting rod (workpiece) in the horizontal direction, so that the engine connecting rod is quickly positioned on a supporting seat 2, then an auxiliary pressing mechanism 6 is used for pre-clamping the engine connecting rod in the vertical direction, finally, the main pressing mechanism 5 is used for stably clamping, the main pressing mechanism 5 drives an upper surface detection mechanism 7 to detect the bending symmetry degree of the upper end surface of the engine connecting rod in the clamping process, because a gauge rod gauge needle 704 of an upper gauge seat 701 has a telescopic function, a gauge rod gauge needle 704 of the upper gauge seat 701 is forced to be in a contraction state all the time by a pressure fork 504 before descending, the gauge rod gauge needle 704 of the main pressing mechanism 5 is driven to descend by a main pressing cylinder 502, the gauge rod gauge needle 704 descends along with the pressure fork 504, and the pressure fork 504 descends to a limit position (is pressed on the upper surface of the engine connecting rod), the meter bar needle 704 is in contact with and detects the engine link, and the meter bar needle 804 of the lower table detection mechanism 8 protrudes from the through hole 803 to be in contact with and detect the lower end surface detection point of the engine link.
The working process comprises the following steps:
step S1: pre-positioning an engine connecting rod to be detected by using a main limit stop 401 of a connecting rod limit mechanism 4, and positioning the side direction of the engine connecting rod by using a side limit stop 402 of the connecting rod limit mechanism 4, wherein one end of the engine connecting rod to be detected is supported in a positioning groove 403 of the main limit stop 401;
step S2: pre-pressing the engine connecting rod in the vertical direction by using the auxiliary pressing mechanism 6, wherein the engine connecting rod on one side of the main limit stop 401 is pressed by using an auxiliary pressing cylinder 602 of the auxiliary pressing mechanism 6;
step S3: the main pressing mechanism 5 is used for positioning and pressing the engine connecting rod in the vertical direction and driving a measuring needle of a measuring meter of the upper surface detecting mechanism 7 to lift;
step S31: a main pressing cylinder 502 of the main pressing mechanism 5 is used for driving a pressing fork 504 on a piston rod of the main pressing cylinder 502 to press the engine connecting rod;
step S32: the pressure fork 504 is used for driving the probe lifting block 703 to descend in the descending process, and after the probe lifting block 703 descends to a limit distance, the gauge rod probe 704 of the upper surface detection mechanism 7 is in contact with a detection point of an engine connecting rod;
step S4: the bending symmetry of the upper end surface of the engine connecting rod is detected by using an upper surface detection mechanism 7;
step S41: after a gauge rod measuring needle 704 of the upper surface detection mechanism 7 is contacted with a detection point of the engine connecting rod, the bending symmetry value of the connecting rod can be measured according to the reading value of the measuring gauge;
step S42: the bending symmetry value is calculated as follows: checking the two upper detection tables;
step S43: when the values of the two measuring meters of the two upper detecting meters 702 are both positive values, the absolute value calculated by subtracting the values of the two upper detecting meters 702 is a bending value;
step S44: when the measured values of the two upper detection tables 702 are respectively a "positive value" and a "negative value", the absolute value calculated by adding the values of the two upper detection tables 702 is a bending value;
step S45: when the two measured values of the two upper detection tables 702 are both negative values, the absolute value calculated by subtracting the values of the two upper detection tables 702 is a bending value;
step S46: after the calculation is finished, the bending value of the upper detection table 702 for detecting the small end of the engine connecting rod in the two upper detection tables 702 is subtracted from the bending value of the upper detection table 702 for detecting the large end of the engine connecting rod in the two upper detection tables 702 to obtain the bending symmetry value of the connecting rod;
step S5: the bending symmetry of the lower end face of the engine connecting rod is detected by using a lower table detection mechanism 8;
step S51: after a gauge rod measuring pin 804 of the lower table detection mechanism 8 is contacted with a detection point of the engine connecting rod, the bending symmetry value of the connecting rod can be measured according to the reading value of the measuring gauge;
step S52: the bending symmetry value is calculated as follows: view two lower inspection tables 802;
step S53: when the values of the two measuring meters of the two lower detecting meters 802 are both positive values, the absolute value calculated by subtracting the values of the two lower detecting meters 802 is a bending value;
step S54: when the measured values of the two lower detection tables 802 are respectively a "positive value" and a "negative value", the absolute value calculated by adding the values of the lower detection tables 802 is a bending value;
step S55: when the values of the two measurement tables of the two lower detection tables 802 are both negative values, the absolute value calculated by subtracting the values of the two lower detection tables 802 is a bending value;
step S56: after the calculation is finished, the bending value of the lower detection table 802 for detecting the small end of the engine connecting rod in the two lower detection tables 802 is subtracted from the bending value of the lower detection table 802 for detecting the large end of the engine connecting rod in the two lower detection tables 802, and the obtained value is the bending symmetry degree value of the connecting rod.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. The utility model provides an automobile engine is symmetry inspection frock for connecting rod which characterized in that includes: the device comprises a tool support, a supporting seat arranged on the tool support, air channel handle switches arranged on two sides of the supporting seat, a connecting rod limiting mechanism, a main pressing mechanism, an auxiliary pressing mechanism and an upper surface detection mechanism which are arranged on the upper end surface of the supporting seat, and a lower surface detection mechanism arranged on the lower end surface of the supporting seat;
the connecting rod limiting mechanism consists of a main limiting stop and a side limiting stop, the main limiting stop and the side limiting stop are both arranged on the supporting seat, and the main limiting stop and the side limiting stop are used for supporting and limiting the horizontal movement of the connecting rod of the engine;
the auxiliary pressing mechanism is used for pre-pressing the engine connecting rod in the vertical direction, the auxiliary pressing mechanism is located right above the connecting rod limiting mechanism, and the auxiliary pressing mechanism comprises: the engine connecting rod compression device comprises a compression bracket, an auxiliary compression cylinder vertically installed on the compression bracket, a compression block installed on a piston rod of the auxiliary compression cylinder, and a buffer cushion block installed on the compression block, wherein the buffer cushion block compresses an engine connecting rod;
the main hold-down mechanism is used for positioning and pressing the engine connecting rod in the vertical direction and driving a measuring needle of a detection meter of the upper meter detection mechanism to ascend and descend, the main hold-down mechanism is located right above the connecting rod limiting mechanism, and the main hold-down mechanism comprises: the engine connecting rod pressing device comprises a main support frame, a main pressing cylinder vertically installed on the main support frame, a connecting seat installed on a piston rod of the main pressing cylinder, and a pressing fork installed on the connecting seat, wherein the pressing fork is used for pressing the engine connecting rod;
wherein, it is used for detecting the crooked symmetry of engine connecting rod up end to go up detection mechanism, it includes to go up detection mechanism: the device comprises an upper gauge seat, two upper detection gauges and a measuring pin lifting block, wherein the upper gauge seat is installed on a main support frame, the two upper detection gauges are symmetrically installed on two sides of the upper gauge seat, the measuring pin lifting block is installed on the upper gauge seat, the two upper detection gauges are vertically installed on the upper gauge seat, the measuring pin lifting block is fixedly connected to a gauge rod measuring pin of the upper detection gauge and is in contact with the upper end face of a pressure fork, the pressure fork is in contact with the measuring pin lifting block when ascending and drives the measuring pin lifting block to ascend, and gauge rod measuring pins of the two upper detection gauges are in contact with detection points of an engine connecting rod;
wherein, the following table detection mechanism is used for detecting the bending symmetry of the lower end face of the engine connecting rod, and the following table detection mechanism comprises: the engine connecting rod detection device comprises a lower meter seat arranged on the lower end face of a mounting support seat, two lower detection meters symmetrically arranged on two sides of the lower meter seat, and two through holes formed in the support seat, wherein the two lower detection meters are vertically arranged on the lower meter seat, and meter rod measuring needles of the two lower detection meters penetrate through the two through holes to be in contact with an engine connecting rod on the support seat;
and the two air path handle switches are used for respectively controlling the opening and closing of the auxiliary compression cylinder and the main compression cylinder.
2. The symmetry inspection tool for the automobile engine connecting rod as claimed in claim 1, wherein the supporting seat is rectangular, an avoiding viewing groove is formed in one side of the supporting seat located on the lower gauge seat, and air passage handle switch mounting seats are arranged on two sides of the supporting seat.
3. The symmetry testing tool for the automobile engine connecting rod as claimed in claim 1, wherein the main limit stop is composed of a stop body and a positioning groove formed in one side of the stop body, the stop body is fixedly connected to the supporting seat through a bolt, and the positioning groove is in a shape consistent with one end of the engine connecting rod.
4. The symmetry degree inspection tool for the automobile engine connecting rod according to claim 1, wherein the two upper detection tables and the two lower detection tables are symmetrically arranged.
5. The symmetry degree inspection tool for the automobile engine connecting rod according to claim 1, wherein the pressure fork is composed of two integrally formed pressure levers, the lower end surfaces of the two pressure levers are in contact with the engine connecting rod and used for pressing the engine connecting rod, and the upper end surfaces of the two pressure levers are in contact with the probe lifting block and used for driving the probe lifting block to ascend.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121551851.7U CN215725649U (en) | 2021-07-08 | 2021-07-08 | Symmetry inspection tool for automobile engine connecting rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121551851.7U CN215725649U (en) | 2021-07-08 | 2021-07-08 | Symmetry inspection tool for automobile engine connecting rod |
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| CN215725649U true CN215725649U (en) | 2022-02-01 |
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| CN202121551851.7U Active CN215725649U (en) | 2021-07-08 | 2021-07-08 | Symmetry inspection tool for automobile engine connecting rod |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405439A (en) * | 2021-07-08 | 2021-09-17 | 白城中一精锻股份有限公司 | Symmetry inspection tool for automobile engine connecting rod |
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2021
- 2021-07-08 CN CN202121551851.7U patent/CN215725649U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405439A (en) * | 2021-07-08 | 2021-09-17 | 白城中一精锻股份有限公司 | Symmetry inspection tool for automobile engine connecting rod |
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