CN210677867U - Horizontal machining clamp for center pin of light rail train - Google Patents
Horizontal machining clamp for center pin of light rail train Download PDFInfo
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- CN210677867U CN210677867U CN201921723039.0U CN201921723039U CN210677867U CN 210677867 U CN210677867 U CN 210677867U CN 201921723039 U CN201921723039 U CN 201921723039U CN 210677867 U CN210677867 U CN 210677867U
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- center pin
- base
- screw rod
- light rail
- rail train
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Abstract
Horizontal adds clamping apparatus for center pin of light rail train, which comprises a base, set up first supporting shoe in the base front portion, install height-adjustable's cushion through the screw thread at first supporting shoe top, set up two second supporting shoes of arranging and highly equaling about the base rear portion, the second supporting shoe right side that lies in the right side on the base sets up first dog, lie in two second supporting shoe the place ahead on the base and set up two second dogs of arranging about, lie in on the base and set up first vertical screw rod between two second dogs, suit clamp plate on first vertical screw rod, install first nut on first screw rod top. The center pin clamping and positioning device has the advantages that the center pin clamping and positioning operation is simple, time and labor are saved, the production efficiency is improved, the stability of the center pin positioning structure is improved, the machining error of the center pin is greatly reduced, and the product quality is improved.
Description
Technical Field
The utility model relates to a light rail train center pin processing equipment especially relates to a light rail is listed as and horizontal adds clamping apparatus of center pin.
Background
The upper part of the center pin is connected with the train body of the light rail train, and the lower part of the center pin is connected with the bogie of the light rail train, which is an important connecting part for connecting the train body of the light rail train and the bogie. In the machining process of the center pin, the center pin needs to be clamped and positioned on an operating platform of a numerical control machine tool, and the clamping and positioning operation of the existing center pin is as follows: at first through a plurality of parallels with axle box body level support in digit control machine tool operation platform, then press in proper order a plurality of clamp plates that have digit control machine tool operation platform itself and hold at the core pin top surface through the bolt. The center pin clamping and positioning operation is complex, time and labor are wasted, the production efficiency is low, and the positioning structure of the support and the bolt fastening pressing plate through the sizing block is unstable, so that the machining error of the center pin is large, and the product quality is low.
Disclosure of Invention
The utility model provides a solve above-mentioned technical problem, provide a horizontal adds clamping apparatus of light rail train core pin, it can make core pin clamping location easy operation, labour saving and time saving improves production efficiency, improves core pin location structural stability, great reduction core pin machining error improves product quality.
The technical solution of the utility model is that:
horizontal adds clamping apparatus for light rail train center pin, including the base, its special character lies in: the base is characterized in that a first supporting block is arranged in front of the base, a cushion block with adjustable height is mounted on the top end of the first supporting block through threads, two second supporting blocks which are arranged left and right and are equal in height are arranged at the rear of the base, a first stop block is arranged on the right side of the second supporting block on the right side of the base, two second stop blocks which are arranged left and right are arranged in front of the two second supporting blocks on the base, a first vertical screw rod is arranged between the two second stop blocks on the base, a pressing plate is sleeved on the first vertical screw rod, and a first nut is mounted at the top end of the first screw rod.
Further preferably, a first jackscrew which is adjusted back and forth is installed at the front end of the two second stoppers through threads.
Further preferably, the pressing plate is composed of a connecting body and three first pressing arms which are uniformly arranged on the connecting body in the circumferential direction.
Further preferably, a second jackscrew which is adjusted up and down is installed at the bottom of the outer edge end of one of the first pressure arms through threads.
Preferably, a second screw rod which is arranged left and right is arranged in front of the two second stoppers on the base, a second pressure arm is sleeved on the second screw rod, a second nut is mounted at the top end of the second screw rod, and the center pin is pressed for the second time through the second pressure arm, so that the clamping stability of the center pin is improved.
Preferably, a spring is sleeved below the second pressure arm on the second screw, and when the second nut is screwed up, the compressed spring rebounds to enable the second pressure arm to automatically rise and return.
Further preferably, two vertical guide rods which are arranged left and right are arranged between the first supporting block and the two second screws on the base, the front end of the center pin is placed between the two vertical guide rods for pre-positioning, and the center pin is convenient to rapidly clamp and position.
The utility model has the advantages that:
the top ends of the first supporting blocks arranged at the front part of the base are provided with height-adjustable cushion blocks through threads, the two second supporting blocks which are arranged at the rear part of the base at the left and right sides and have the same height are used for supporting the bottom surfaces of the center pin on the cushion blocks and the top surfaces of the two second supporting blocks, and the height of the cushion blocks is adjusted, so that the center pin is horizontally arranged for horizontal positioning; the first stop block arranged on the right side of the second support block on the right side and the second stop block arranged in front of the two second support blocks are used for abutting the rear end face of the middle part of the center pin against the front end of the first jackscrew for positioning in the front-back direction and abutting the right end face of the rear end of the center pin against the left end of the first stop block for positioning in the left-right direction; the first vertical screw rod is arranged between the two second stop blocks, the pressing plate sleeved on the first vertical screw rod, the first nut arranged at the top end of the first screw rod locks the first nut, and the center pin is pressed and fixed by the pressing plate; the center pin clamping and positioning device is simple in operation, time-saving and labor-saving, improves production efficiency, improves stability of a center pin positioning structure, greatly reduces machining errors of the center pin, and improves product quality.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the first press arm of FIG. 1;
FIG. 3 is a schematic structural view of the present invention after being clamped with the center pin;
in the figure: 1-base, 2-first supporting block, 3-cushion block, 4-second supporting block, 5-first stop block, 6-second stop block, 7-first jackscrew, 8-first vertical screw, 9-pressing plate, 10-second jackscrew, 11-first nut, 12-second screw, 13-second pressing arm, 14-spring, 15-second nut, 16-vertical guide rod, 901-connecting body, and 902-first pressing arm.
Detailed Description
As shown in fig. 1 and 2, the horizontal machining fixture for the center pin of the light rail train comprises a base 1, a first supporting block 2 is installed at the front part of the base 1, a cushion block 3 with adjustable height is installed at the top end of the first supporting block 2 through a thread, two second supporting blocks 4 which are arranged left and right and have equal height are installed at the rear part of the base 1, a first stop block 5 is installed at the right side of the second supporting block 4 which is positioned at the right side on the base 1, two second stop blocks 6 which are arranged left and right are installed at the front part of the two second supporting blocks 4 on the base 1, a first jackscrew 7 which is adjusted front and back is installed at the front end of the two second stop blocks 6 through a thread, a first vertical screw 8 is installed between the two second stop blocks 6 on the base 1, a pressing plate 9 is sleeved on the first vertical screw 8, the pressing plate 9 is composed of a connecting body and three first pressing arms 902 which are uniformly arranged on the connecting body 901 in the circumferential direction, a second jackscrew 10 which is, a first nut 11 is installed at the top end of the first screw rod, a second screw rod 12 which is arranged left and right is installed on the base 1 and is positioned in front of the two second stopping blocks 6, a second pressure arm 13 is sleeved on the second screw rod 12, a spring 14 is sleeved on the second screw rod 12 and is positioned below the second pressure arm 13, a second nut 15 is installed at the top end of the second screw rod 12, and two vertical guide rods 16 which are arranged left and right are installed on the base 1 and are positioned between the first supporting block 2 and the two second screw rods 12.
As shown in fig. 3, during operation, firstly, the base 1 is installed on an operation platform of a numerical control machine, then the front end of the center pin is placed from top to bottom between two vertical guide rods 16, the bottom surface of the front end of the center pin is supported at the top end of the cushion block 3, the bottom surface of the rear end of the center pin is supported at the top ends of two second support blocks 4, meanwhile, the first vertical screw 8 penetrates upwards through a guide hole in the vertical direction of the center pin, and the height of the cushion block 3 is adjusted, so that the center pin is horizontally placed for horizontal positioning; pushing the center pin backwards to enable the rear end face of the middle part of the center pin to abut against the front end of the first jackscrew 7 for positioning in the front-back direction, pushing the center pin rightwards to enable the right end face of the rear end of the center pin to abut against the left end of the first stop block 5 for positioning in the left-right direction; sleeving a pressing plate 9 on the top end of the first screw rod, supporting a second jackscrew 10 on the top surface of the front end of the center pin, respectively supporting two first pressing arms 902 on the rear part of the pressing plate 9 on the top surfaces of the left side and the right side of the rear part of the center pin, locking a first nut 11, pressing and fixing the center pin by the pressing plate 9, inserting a second pressing arm 13 into a lightening hole in the side wall of the center pin, locking a second nut 15, pressing and fixing the second pressing arm 13 on the bottom surface of the lightening hole in the side wall of the center pin, and pressing and fixing the center pin again; and finally, starting the numerical control machine tool and starting the machining operation of the center pin.
The above description is only an example of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. Horizontal adds clamping apparatus for light rail train core pin, including the base, its characterized in that: the base is characterized in that a first supporting block is arranged in front of the base, a cushion block with adjustable height is mounted on the top end of the first supporting block through threads, two second supporting blocks which are arranged left and right and are equal in height are arranged at the rear of the base, a first stop block is arranged on the right side of the second supporting block on the right side of the base, two second stop blocks which are arranged left and right are arranged in front of the two second supporting blocks on the base, a first vertical screw rod is arranged between the two second stop blocks on the base, a pressing plate is sleeved on the first vertical screw rod, and a first nut is mounted at the top end of the first screw rod.
2. The horizontal machining clamp for the center pin of the light rail train as claimed in claim 1, wherein: and the front ends of the two second stoppers are provided with first jackscrews which are adjusted back and forth through threads.
3. The horizontal machining clamp for the center pin of the light rail train as claimed in claim 1, wherein: the pressing plate is composed of a connecting body and three first pressing arms which are uniformly arranged on the connecting body in the circumferential direction.
4. The horizontal machining clamp for the center pin of the light rail train as claimed in claim 3, wherein: and a second jackscrew which is adjusted up and down is installed at the bottom of the outer edge end of one of the first pressure arms through threads.
5. The horizontal machining clamp for the center pin of the light rail train as claimed in claim 1, wherein: and a second screw rod which is arranged left and right is arranged in front of the two second stoppers on the base, a second pressure arm is sleeved on the second screw rod, and a second nut is arranged at the top end of the second screw rod.
6. The horizontal machining clamp for the center pin of the light rail train as claimed in claim 5, wherein: and a spring is sleeved below the second pressure arm on the second screw rod, and when the second nut is screwed up, the compressed spring rebounds to enable the second pressure arm to automatically rise and return.
7. The horizontal machining clamp for the center pin of the light rail train as claimed in claim 1, wherein: two vertical guide rods which are arranged left and right are arranged between the first supporting block and the two second screw rods on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921723039.0U CN210677867U (en) | 2019-10-15 | 2019-10-15 | Horizontal machining clamp for center pin of light rail train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921723039.0U CN210677867U (en) | 2019-10-15 | 2019-10-15 | Horizontal machining clamp for center pin of light rail train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210677867U true CN210677867U (en) | 2020-06-05 |
Family
ID=70889856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921723039.0U Active CN210677867U (en) | 2019-10-15 | 2019-10-15 | Horizontal machining clamp for center pin of light rail train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210677867U (en) |
-
2019
- 2019-10-15 CN CN201921723039.0U patent/CN210677867U/en active Active
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