CN213179719U - Coplane of outside ball groove center of forging examines utensil - Google Patents
Coplane of outside ball groove center of forging examines utensil Download PDFInfo
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- CN213179719U CN213179719U CN202021871911.9U CN202021871911U CN213179719U CN 213179719 U CN213179719 U CN 213179719U CN 202021871911 U CN202021871911 U CN 202021871911U CN 213179719 U CN213179719 U CN 213179719U
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Abstract
The utility model relates to an utensil is examined to outside ball groove center coplane of forging, including upper padding plate and lower bolster, circumference homodisperse is provided with a plurality ofly rather than the vertically guide pillar on the lower bolster, and the center that the guide pillar encloses into the shape is provided with the core bar that is used for fixed forging, sets up ball groove detection mechanism around the core bar, and ball groove detection mechanism includes a plurality of detection bulbs, detects the bulb and is connected with the transmission component who extends to the upper cushion top, detects the bulb and blocks in each ball groove of forging outer wall all around in proper order. The utility model discloses detect convenient and fast, filled the vacancy that the utensil was examined to forging ball groove.
Description
Technical Field
The utility model relates to an utensil is examined to outside ball groove center coplane of forging belongs to the technical field that utensil was examined to the forging coplane.
Background
The universal joint transmission mechanism used on the automobile can change the transmission angle within a certain range when transmitting torque. The mechanism is formed by assembling forged pieces of which the inner side wall of the circumference is provided with two rows of ball grooves and the outer side wall is provided with two rows of ball grooves, and ball balls with corresponding specifications are arranged in the ball grooves. In order to ensure that the ball can be transmitted in the ball groove between the two forgings, the corresponding heights of the ball grooves are required to be consistent, all the ball grooves are coplanar, when the ball grooves are not coplanar, and the non-coplanar deviation of the ball grooves is large, the two coaxial hot forgings cannot be assembled with the ball, when the non-coplanar deviation of the ball grooves is small, even if the assembly is completed, the unsmooth transmission can be caused, even the phenomenon of clamping is caused, and in the using process, abnormal abrasion can easily occur. Therefore, the coplanarity of the ball grooves of the forged piece is an important control standard, and the ensuring of the coplanarity of the ball grooves is very important.
Because this forging is non-standard part, the detection instrument that does not correspond yet in the trade utilizes traditional detection instrument all can not realize the coplane of single row of circumference or double two-way ball groove and detects.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an utensil is examined to outside ball groove center coplane of forging, its concrete technical scheme as follows:
a checking fixture for coplanar centers of ball grooves on the outer side of a forging piece comprises an upper backing plate and a lower backing plate, wherein a plurality of guide posts vertical to the lower backing plate are uniformly distributed on the upper circumference of the lower backing plate, the guide posts penetrate through the upper backing plate and suspend the upper backing plate above the lower backing plate,
a core bar for fixing the forge piece is arranged in the center of the shape surrounded by the guide pillars, a ball groove detection mechanism is arranged around the core bar, the ball groove detection mechanism comprises a plurality of detection ball heads, and the detection ball heads are sequentially clamped in the ball grooves on the peripheral outer wall of the forge piece;
the ball groove detection mechanism comprises an upper ball groove detection mechanism and/or a lower ball groove detection mechanism, and the detection ball head comprises an upper detection ball head and/or a lower detection ball head;
the upper ball groove detection mechanism comprises a plurality of upper detection ball heads with equal horizontal heights, each upper detection ball head is connected with a suspension rod, and the upper end of each suspension rod penetrates through the upper base plate and extends to the position above the upper base plate;
the lower ball groove detection mechanism comprises a plurality of lower detection ball heads with equal heights, a push rod is arranged below each lower detection ball head, the push rod penetrates through the lower base plate, a reversing transmission member is arranged at the lower end of each push rod, and the reversing transmission member extends to the position above the upper base plate.
Furthermore, a hanging rod above the upper backing plate is provided with an anti-falling cap close to the top, and a spring I is sleeved on the periphery of the hanging rod between the upper backing plate and the upper detection ball head.
Further, the reversing transmission component comprises an upper connector, a lower connector and a connecting rod, one end of the suspender, which extends to the lower portion of the lower base plate, is connected with the lower connector, the middle of the lower connector is provided with a lower support, the other end of the lower connector is connected with the connecting rod, the connecting rod vertically extends upwards to a position close to the upper base plate, the upper end of the connecting rod is connected with the upper connector, the middle of the upper connector is provided with an upper support, the other end of the upper connector is connected with a height measuring block, and the height measuring block partially extends to the upper.
Further, ejector pin cover between backing plate and the lower detection bulb is equipped with spring II, and the below of height gage block is provided with spring III, when detecting bulb lapse, the ejector pin takes the one end lapse of connector down, and the undersetting other end takes the connecting rod rebound, and the connecting rod top is taken upper bracket one end rebound, and the other end of upper bracket takes height gage block lapse.
Further, ball groove detection mechanism still includes the pillar unanimous with lower detection bulb quantity, and the pillar stands on the lower bolster, and the connecting rod passes the pillar, and the top indent of pillar is provided with the circular slot that holds spring III, the lower extreme of height gauge block extends to in the circular slot.
Furthermore, two parallel cushion blocks are padded on the upper surface of the upper padding plate, a top plate is tiled above the cushion blocks, the height measuring block and the connecting rod penetrate through a gap between the two cushion blocks, and the height measuring block penetrates through the top plate and extends to the position above the top plate.
Further, the below of lower bolster is provided with the base, the indent in base middle part, lower bolster is supported by the base all around, forms the cavity between middle part and the base, the cavity is arranged in to the undersetting, and the top is fixed with the lower bolster, and the below is fixed with the base, the lower extreme of ejector pin and the lower extreme of connecting rod all are arranged in the cavity, with the both ends rotatable coupling of lower connector.
Furthermore, a material pressing block is arranged below the middle of the upper backing plate and is fixed with the upper backing plate through a connecting piece.
The utility model has the advantages that:
the utility model discloses can be according to the ball groove distribution of forging, the detection bulb of quantity and position is corresponded with the ball groove in preparation, during the detection, when the ball groove distribution is when the face is in the same place, detect the highly uniform that the bulb was located, when not when the face is in the same place, detect the bulb card and advance in the ball groove that corresponds, lead to detecting bulb highly inconsistent, take the highly inconsistent of the height gauge block or jib that correspond, and then whether coplane in the ball groove of judgement out the forging directly perceived, the detection method is simple, and the operation is simple, the vacancy of utensil is examined to forging ball groove coplane has been filled up.
Drawings
Figure 1 is a perspective view of the present invention,
figure 2 is a top view of the present invention,
figure 3 is a cross-sectional view taken along line a-a of figure 1,
in the figure: the device comprises an upper cushion plate, a 2-suspender, a 3-spring I, a 4-upper detection ball head, a 5-guide pillar, a 6-forge piece, a 7-core rod, an 8-ejector rod, a 9-lower connector, a 10-lower support, a 11-base, a 12-lower cushion plate, a 13-spring II, a 14-connecting rod, a 15-support, a 16-lower detection ball head, a 17-spring III, a 18-upper connector, a 19-top plate, a 20-height measuring block, a 21-connecting piece, a 22-pressing block and a 23-anti-falling cap.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
The utility model discloses a three embodiment is only detecting the forging round ball groove all around respectively, divide into the ball groove down again or up, detects two rings of ball grooves, explains in proper order to each embodiment below respectively the utility model discloses the structure.
Example 1: the periphery of the outer wall of the forging is provided with a circle of upward ball grooves
The ball groove coplane of forging 6 of this embodiment examines utensil includes upper padding plate 1 and lower padding plate 12, and circumference homodisperse is provided with a plurality of guide pillars 5 rather than the vertically on the lower padding plate 12, and guide pillar 5 runs through upper padding plate 1, and hangs upper padding plate 1 in lower padding plate 12 top. The upper backing plate 1 can be driven to lift through the lifting of the guide post 5.
The core rod 7 is arranged in the center of the shape enclosed by the guide pillars 5, and the core rod 7 is inserted in the axis of the forged piece 6 to fix the forged piece 6. A material pressing block 22 is arranged below the middle part of the upper backing plate 1, and the material pressing block 22 is fixed with the upper backing plate through a connecting piece 21. The connecting member 21 may be a screw. The forged piece 6 is fixed from the top, the bottom and the circumference through the core rod 7 and the material pressing block 22, so that the forged piece 6 is prevented from being stressed and displaced in the detection process, and the detection result is inaccurate.
Run through the upper padding plate and be provided with ball groove detection mechanism, go up ball groove detection mechanism and include a plurality of level height go up detection bulb 4, detect a jib 2 is connected respectively to every on detecting bulb 4, the upper end of every jib 2 all passes the upper padding plate to extend to the top of upper padding plate, 2 be close to the top position at the jib that lie in the upper padding plate top and set up anticreep cap 23, 2 periphery covers of jib that lie in between upper padding plate and the last detection bulb 4 are equipped with spring I3. During zeroing processing before detection, the height of each upper detection ball head 4 needs to be adjusted to be consistent, for detection convenience, the specifications of each upper detection ball head 4 and the hanger rod 2 are consistent, and at the moment, the height of the hanger rod 2 above the upper base plate is also consistent.
The nut can be selected for the anti-drop cap 23 in the embodiment, on one hand, the anti-drop cap can block the slipping of the suspender 2, on the other hand, the position of the anti-drop cap on the suspender 2 can be changed simply and rapidly by screwing the nut, and the anti-drop cap is adapted to forgings 6 with different heights. When the forging piece is returned to zero, the nuts are screwed to the same height, the upper detection ball head 4 is jacked upwards during detection, and whether the ball grooves of the forging piece 6 are coplanar or not can be judged by comparing the heights of the nuts.
In order to facilitate reading of the height error when the spherical grooves are not coplanar, the surface of the suspender 2 is carved or pasted with a graduated scale, and when the heights of the suspenders 2 are different, the height error of the corresponding spherical groove can be visually compared in number by reading the graduation of the upper surface positions of each suspender 2 and the upper gasket.
Example 2: a circle of downward ball grooves are arranged on the periphery of the outer wall of the forged piece 6
The ball groove coplane of forging 6 of this embodiment examines utensil includes upper padding plate 1 and lower padding plate 12, and circumference homodisperse is provided with a plurality of guide pillars 5 rather than the vertically on the lower padding plate 12, and guide pillar 5 runs through upper padding plate 1, and hangs upper padding plate 1 in lower padding plate 12 top. The upper backing plate 1 can be driven to lift through the lifting of the guide post 5.
The core rod 7 is arranged in the center of the shape enclosed by the guide pillars 5, and the core rod 7 is inserted in the axis of the forged piece 6 to fix the forged piece 6. A material pressing block 22 is arranged below the middle part of the upper backing plate 1, and the material pressing block 22 is fixed with the upper backing plate through a connecting piece 21. The forged piece 6 is fixed from the top, the bottom and the circumference through the core rod 7 and the material pressing block 22, so that the forged piece 6 is prevented from being stressed and displaced in the detection process, and the detection result is inaccurate.
A lower ball groove detection mechanism is arranged through the lower backing plate 12 and comprises a plurality of lower detection ball heads 16 with equal height, a mandril 8 is arranged below each lower detection ball head 16, the mandril 8 penetrates through the lower backing plate 12, a spring II 13 is sleeved on the mandril 8 between the lower backing plate 12 and the lower detection ball head 16, a lower connector 9 is connected with a suspender 2 extending below the lower backing plate 12, a lower support 10 is arranged in the middle of the lower connector 9, the other end of the lower connector 9 is connected with a connecting rod 14, the connecting rod 14 vertically extends upwards to a position close to the upper backing plate, the upper end of the connecting rod 14 is connected with an upper connector 18, an upper support is arranged in the middle of the upper connector 18, a height gauge block 20 is connected with the other end of the upper connector 18, a spring III 17 is arranged below the height gauge block 20, when the lower detection ball head 16 moves downwards, the mandril, the other end of the lower support 10 drives the connecting rod 14 to move upwards, the top of the connecting rod 14 drives one end of the upper support to move upwards, the other end of the upper support drives the height measuring block 20 to move downwards, whether the ball grooves of the forge piece 6 are coplanar is judged by observing whether the changing heights of the height measuring block 20 are consistent, when the changing heights of all the height measuring blocks 20 are consistent, the ball grooves of the forge piece 6 are coplanar, otherwise, the ball grooves of the forge piece 6 are not coplanar.
In order to provide a mounting and supporting position for the upper support and determine the moving track of the height measuring block 20, the lower ball groove detection mechanism further comprises supporting columns 15 with the number consistent with that of the lower detection ball heads 16, the supporting columns 15 stand on the lower backing plate 12, the connecting rods 14 penetrate through the supporting columns 15, the tops of the supporting columns 15 are concavely provided with circular grooves for accommodating the springs III 17, and the lower ends of the height measuring blocks 20 extend into the circular grooves. The spring III 17 gives upward elasticity to the height measuring block 20, and the circular groove has a vertical guiding function to the height measuring block 20 and determines the moving track of the height measuring block 20.
The installation of the upper connector 18 is described in detail below, the upper surface of the upper padding plate is padded with two parallel pads, a top plate 19 is tiled above the pads, the height gauge 20 and the connecting rod 14 both pass through a gap between the two pads, and the height gauge 20 passes through the top plate 19 and extends above the top plate 19. The upper support is connected to the top plate 19 or the upper mat 1 by a connecting block. The center of the upper connector 18 is connected with the connecting block through a bolt.
The installation of connector 9 is down specifically introduced below, and the below of lower bolster is provided with base 11, base 11 middle part indent, and the lower bolster is supported by base 11 all around, forms the cavity between middle part and the base 11, the undersetting 10 is arranged in the cavity, and the top is fixed with the lower bolster, and the below is fixed with base 11, the lower extreme of ejector pin 8 and the lower extreme of connecting rod 14 all are arranged in the cavity, with the both ends rotatable coupling of connector 9 down.
In this embodiment, the lower connector 9 is connected to the lower support 10, the top rod 8 and the connecting rod 14 by bolts, and the upper connector 18 is connected to the height gauge 20, the upper support and the connecting rod 14 by bolts and can rotate around the bolts.
Example 3: two circles of ball grooves are arranged around the outer wall of the forged piece 6, one circle of ball grooves is upward, and the other circle of ball grooves is downward
In the present embodiment, which is the sum of embodiments 1 and 2, the upper ball groove detection mechanism and the lower ball groove detection mechanism are simultaneously installed in a frame constructed by the upper mounting plate and the lower backing plate 12, so that two circles of ball grooves on the forged piece 6 can be simultaneously detected.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. The utility model provides an utensil is examined to outside ball groove center coplane of forging which characterized in that: comprises an upper backing plate and a lower backing plate, wherein a plurality of guide posts vertical to the upper backing plate are uniformly distributed on the upper circumference of the lower backing plate, the guide posts penetrate through the upper backing plate and suspend the upper backing plate above the lower backing plate,
a core bar for fixing the forge piece is arranged in the center of the shape surrounded by the guide pillars, a ball groove detection mechanism is arranged around the core bar, the ball groove detection mechanism comprises a plurality of detection ball heads, and the detection ball heads are sequentially clamped in the ball grooves on the peripheral outer wall of the forge piece;
the ball groove detection mechanism comprises an upper ball groove detection mechanism and/or a lower ball groove detection mechanism, and the detection ball head comprises an upper detection ball head and/or a lower detection ball head;
the upper ball groove detection mechanism comprises a plurality of upper detection ball heads with equal horizontal heights, each upper detection ball head is connected with a suspension rod, and the upper end of each suspension rod penetrates through the upper base plate and extends to the position above the upper base plate;
the lower ball groove detection mechanism comprises a plurality of lower detection ball heads with equal heights, a push rod is arranged below each lower detection ball head, the push rod penetrates through the lower base plate, a reversing transmission member is arranged at the lower end of each push rod, and the reversing transmission member extends to the position above the upper base plate.
2. The utensil is examined to outside ball groove center coplane of forging of claim 1 characterized in that: an anti-falling cap is arranged at the position, close to the top, of the suspender above the upper padding plate, and a spring I is sleeved on the periphery of the suspender between the upper padding plate and the upper detection ball head.
3. The utensil is examined to outside ball groove center coplane of forging of claim 2, characterized in that: the reversing transmission component comprises an upper connector, a lower connector and a connecting rod, one end of the suspender, which extends to the lower part of the lower backing plate, is connected with the lower connector, the middle part of the lower connector is provided with a lower support, the other end of the lower connector is connected with the connecting rod, the connecting rod vertically extends upwards to a position close to the upper backing plate, the upper end of the connecting rod is connected with the upper connector, the middle part of the upper connector is provided with an upper support, the other end of the upper connector is connected with a height measuring block, and the height measuring block partially.
4. The utensil is examined to outside ball groove center coplane of forging of claim 1 characterized in that: the ejector pin cover between lower bolster and the lower detection bulb is equipped with spring II, and the below of height gage block is provided with spring III, when detecting bulb lapse, the ejector pin takes the one end lapse of connector down, and the undersetting other end takes the connecting rod rebound, and the connecting rod top is taken upper bracket one end rebound, and the other end of upper bracket is taken height gage block lapse.
5. The utensil is examined to outside ball groove center coplane of forging of claim 4, characterized in that: lower ball groove detection mechanism still includes the pillar with detect bulb quantity unanimity down, and the pillar stands on the lower bolster, and the connecting rod passes the pillar, and the top indent of pillar is provided with the circular slot that holds spring III, the lower extreme of height gauge block extends to in the circular slot.
6. The utensil is examined to outside ball groove center coplane of forging of claim 3, characterized in that: the upper surface of the upper padding plate is padded with two parallel cushion blocks, a top plate is tiled above the cushion blocks, the height measuring block and the connecting rod both penetrate through a gap between the two cushion blocks, and the height measuring block penetrates through the top plate and extends to the position above the top plate.
7. The utensil is examined to outside ball groove center coplane of forging of claim 4, characterized in that: the lower part of the lower backing plate is provided with a base, the middle part of the base is concave, the periphery of the lower backing plate is supported by the base, a cavity is formed between the middle part and the base, the lower support is arranged in the cavity, the upper part of the lower support is fixed with the lower backing plate, the lower part of the lower support is fixed with the base, the lower end of the ejector rod and the lower end of the connecting rod are both positioned in the cavity and are rotatably connected with the two ends of the lower connector.
8. The utensil is examined to outside ball groove center coplane of forging of claim 1 characterized in that: and a material pressing block is arranged below the middle part of the upper backing plate and is fixed with the upper backing plate through a connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021871911.9U CN213179719U (en) | 2020-08-31 | 2020-08-31 | Coplane of outside ball groove center of forging examines utensil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021871911.9U CN213179719U (en) | 2020-08-31 | 2020-08-31 | Coplane of outside ball groove center of forging examines utensil |
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| Publication Number | Publication Date |
|---|---|
| CN213179719U true CN213179719U (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021871911.9U Active CN213179719U (en) | 2020-08-31 | 2020-08-31 | Coplane of outside ball groove center of forging examines utensil |
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| CN (1) | CN213179719U (en) |
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- 2020-08-31 CN CN202021871911.9U patent/CN213179719U/en active Active
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