CN204450083U - Load lifting cylinder undersetting machining center clamp - Google Patents

Abstract

The fixture of the machining center of the lower support of the lifting cylinder, the left and right sides of the bottom plate are provided with a support seat and a seat body, the support shaft is screwed on the support seat, and the end face positioning block is arranged on the support shaft, and the end face positioning block is installed on the right end of the support shaft through a bearing The support seat is provided with a rotating shaft, the rotating shaft is fixed on the support seat through the support bearing, the rotating shaft is covered with a rotating disc, the rotating disc is fixedly connected with the rotating shaft, the rotating disc is provided with an indexing hole, and the supporting seat is There is a fixing hole, and the positioning pin shaft is used to stop the rotation of the rotating disc between the indexing hole on the rotating disc and the fixing hole on the supporting seat. The left end of the rotating shaft is provided with a fixing tool for fixing the workpiece of the lower support of the lifting cylinder that needs to be processed. device. The utility model realizes one-time clamping and multi-station processing, the quality of the processed parts is stable, the space occupied by the machine tool is small, the structure is simple, the investment of equipment and personnel is reduced, and the processing efficiency is improved.

Description

Lift cylinder lower support machining center fixture

technical field

The utility model relates to the field of auto parts processing, in particular to a fixture for processing a lower support of an auto cab lifting cylinder.

Background technique

In the production of the cab lift cylinder, the quality requirements of the lift cylinder are relatively high, and the shape of the lower support is irregular. The original fixture is processed and clamped multiple times, and the cumulative error is large. The quality of the processed product is unstable and the waste product more.

Utility model content

The purpose of this utility model is to overcome the above-mentioned deficiencies and provide a fixture for the machining center of the lower support of the lifting cylinder, which can realize one-time clamping and indexing processing of holes and planes on multiple surfaces, so as to ensure the stable size of the processed product , improve processing efficiency.

The technical scheme that the technical problem that the utility model solves adopts is:

The fixture of the machining center of the lower support of the lifting cylinder includes a bottom plate 1, which is characterized in that the left and right sides of the bottom plate 1 are provided with a support seat 30 and a seat body 2, and the support seat 30 is provided with an internal thread, and a support shaft 29, a support shaft 29 An external thread suitable for the internal thread of the support seat 30 is provided on the top of the support seat 30, the support shaft 29 is screwed on the support seat, and the end face positioning block 26 is provided on the support shaft 29, and the end face positioning block 26 is installed on the support shaft 29 through the bearing 28. At the right end, the end face positioning block 26 can rotate on the support shaft 29, and the rotation of the support shaft 29 can drive the end face positioning block 26 to move left and right; the support base 30 is provided with a rotation shaft 14, and the rotation shaft 14 is fixed on the support base 30 by the support bearing 12 , the rotating shaft 14 can rotate on the supporting base 30, the rotating shaft 14 is sleeved with a rotating disc 13, the rotating disc 13 is fixedly connected with the rotating shaft 14, the rotating disc 13 is provided with an indexing hole, and the supporting base 30 is provided with Fixing hole, between the indexing hole on the rotating disk 13 and the fixing hole on the support seat 30, the positioning pin shaft 6 is used to stop the rotation of the rotating disk 13, and the left end of the rotating shaft 14 is provided with the lower support of the lifting cylinder that needs to be processed Workpiece fixtures.

When in use, fix the workpiece with the lower support of the lifting cylinder that needs to be processed on the fixing device at the left end of the rotating shaft, turn the rotating disk to the position that needs to be processed, and the positioning pin shaft passes through the indexing hole on the rotating disk and on the supporting seat. The fixed hole, the rotating disc is fixed, the rotating shaft cannot rotate, then turn the supporting shaft, the supporting shaft moves to the right, drives the end face positioning block to move to the right, and the end face positioning block presses against the workpiece, and then it can be processed. When the processing is completed, turn the support shaft in the opposite direction, and the support shaft will move to the left, driving the end face positioning block to move to the left, the end face positioning block will leave the workpiece, pull out the positioning pin shaft, turn the rotary table to another position that needs to be processed, and the positioning pin will The shaft passes through another indexing hole on the rotating disk and the fixing hole on the support seat 30, and the same method can process another position of the workpiece. The fixture of the utility model takes up little space on the machine tool, and one piece of equipment can be equipped with multiple fixtures. The utilization rate of the equipment is high, the time for debugging and changing lines is greatly shortened, the maintenance of the fixture is simple, and the clamping is fast.

As preferably, the base plate 1 is connected with a shift fork seat 23, and is provided with a shift fork 25, the shift fork 25 is movably connected with the shift fork seat 23, the front end of the shift fork 25 is connected with the shift lever 24, and the end of the shift fork 25 is connected with the above-mentioned positioning The pin shaft 6 is connected, the positioning pin shaft 6 passes through the fixing hole, the positioning pin shaft 6 is provided with a step, and the spring 5 is provided on the step, the end cover 3 passes through the positioning pin shaft 6, and the end cover 3 is fixed on the base body 2 Above, the end cover 3 fixes the spring 5 in the fixing hole on the support base 30 . The operator can easily drive the positioning pin shaft in and out through the lever. When the rotating disk is turned, the indexing hole on the rotating disk and the fixing hole on the support seat are on the same axis, and the positioning pin shaft is driven by the spring. The end of the positioning pin shaft enters the indexing hole on the rotating disk to play a fixed role. When the operator depresses the driving lever, the shift fork drives the positioning pin shaft to break away from the indexing hole on the rotating disk 13, and the rotating disk can rotate.

Preferably, the fixing device at the left end of the rotating shaft 14 includes a positioning pin screw 16 fixed on the rotating shaft 14 , and the positioning pin screw 16 is provided with a washer 17 and a fastening nut 15 . Insert the lower bearing workpiece of the lifting cylinder to be processed into the positioning pin screw rod 16, then insert the gasket 17, and fix the workpiece on the rotating shaft 14 with the fastening nut 15.

Preferably, the right end of the rotating shaft 14 is provided with an external thread, and the right end of the rotating shaft 14 is screwed with a fixing nut 9 . When the positioning pin shaft 6 passes through the indexing hole on the rotating disk 13 and the fixing hole on the support base 30, the fixing nut 9 is tightened to ensure that the rotating disk is further fixed.

Preferably, a hand wheel 33 is provided at the left end of the support shaft 29 . The hand wheel facilitates the rotation of the support shaft.

The beneficial effects of the utility model are: the utility model realizes one-time clamping and multi-station processing, the quality of the processed parts is stable, the space occupied by the machine tool is small, the structure is simple, the investment of equipment and personnel is reduced, and the processing efficiency is improved.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is a schematic cross-sectional structure diagram of the utility model embodiment when a workpiece is installed; Fig. 2 is a top view structural schematic diagram of the utility model embodiment Fig. 1; Fig. 3 is a side view structural schematic diagram of the utility model embodiment Fig. 1; Fig. 4 is a schematic diagram of the appearance structure of the embodiment of the utility model without a workpiece; FIG. 5 is a schematic diagram of the top view of the embodiment of the utility model shown in FIG. 4; FIG. 6 is a schematic diagram of the three-dimensional structure of the embodiment of the utility model.

In the figure: 1. Bottom plate 2. Base body 3. End cover 4. Pin sleeve 1 5. Spring 6. Locating pin shaft 7. Pin sleeve 2 9. Fixing nut 10. End cover plate 11. Rib plate 12. Support bearing 13 , rotating disc 14, rotating shaft 15, fastening nut 16, positioning pin shaft 17, gasket 18, workpiece 21, pin 22, movable pin 23, shift fork seat 24, shift lever 25, shift fork 26, end face positioning block 27 , cover plate 28, bearing 29, support shaft 30, support seat 31, hand wheel.

Detailed ways

As shown in Fig. 1 to Fig. 6, for the fixture of the machining center of the lower support of a lifting cylinder, the left and right sides of the bottom plate 1 are provided with a support seat 30 and a seat body 2, a rib plate 11 is fixed on one side of the seat body 2, and a support seat 30 is provided with There is internal thread, is provided with support shaft 29, is provided with the external thread that matches with support base 30 internal threads on support shaft 29, and support shaft 29 is screwed on the support base, and support shaft 29 is provided with end face positioning block 26, Cover plate 27 and bearing 28, end face positioning block 26 is provided with a bearing seat, bearing 28 is located in the bearing seat, bearing 28 is tightly sleeved on the right end of support shaft 29, cover plate 27 seals bearing 28 in the bearing seat, end face positioning block 26 can rotate on the support shaft 29, and the rotation of the support shaft 29 can drive the end face positioning block 26 to move left and right; The support bearing 12 is fixed in the support seat 30, the right end of the rotating shaft 14 is provided with an external thread, the right end of the rotating shaft 14 is screwed with a fixed nut 9, the rotating shaft 14 can rotate on the supporting seat 30, and the rotating shaft 14 is sleeved with Rotating disk 13, rotating disk 13 is fixedly connected with rotating shaft 14, and rotating disk 13 is provided with indexing hole, and pin sleeve one 4 is tightly fixed in the indexing hole, and support base 30 is provided with fixing hole, and the fixing hole is tightly fixed. Pin sleeve 2 7 is fixed, and base plate 1 is connected with shift fork seat 23, is provided with shift fork 25, shift fork 25 and shift fork seat 23 are movably connected by movable pin 22, and the front end of shift fork 25 is connected with driving lever 24, shifts The end of fork 25 is connected with locating pin shaft 6 by pin 21, and locating pin shaft 6 wears the pin sleeve 2 7 in the fixing hole, and locating pin shaft 6 is provided with step, is provided with spring 5 and stands on the step, and end cover 3 Through the positioning pin shaft 6, the end cover 3 is fixed on the seat body 2, and the end cover 3 fixes the spring 5 in the pin sleeve 2 7 holes on the support seat 30. Between the indexing hole on the rotating disk 13 and the pin sleeve 27 hole of the fixing hole on the support seat 30, the rotating disk 13 is prevented from rotating by the positioning pin shaft 6, and the left end of the rotating shaft 14 is provided with a lifting cylinder that needs to be processed. Fixing device for the lower support workpiece 18. The fixing device at the left end of the rotating shaft 14 includes a positioning pin screw rod 16 fixed on the rotating shaft 14 , and the positioning pin screw rod 16 is provided with a split washer 17 and a fastening nut 15 . Insert the lower bearing workpiece of the lifting cylinder to be processed into the positioning pin screw rod 16, then insert the opening gasket 17, and fix the workpiece on the rotating shaft 14 with the fastening nut 15.

During use, be provided with the lift cylinder lower support work piece that needs to be processed and be fixed on the fixing device of rotating shaft 14 left ends, work piece 18 is inserted on the positioning pin shaft 16, fixes with split washer 17 and fastening nut 15 then, Turn the rotating disk 13 to the position that needs to be processed, and the operator can easily drive the positioning pin shaft 6 in and out through the driving lever 24. The pin sleeve two 7 holes of the fixed hole on the support seat 30 are on the same axis, and the positioning pin shaft 6 is driven by the spring 5, and the positioning pin shaft 6 ends enter the pin sleeve one 4 holes of the indexing hole on the rotating disk 13, It plays a fixed role, the rotating disk is fixed, the rotating shaft 14 cannot rotate, and then the supporting shaft 29 is rotated by the hand wheel 33, and the supporting shaft 29 moves to the right, driving the end face positioning block 26 to move to the right, and the end face positioning block 26 tightens the workpiece, fixing Nut 9 is tightened, just can process. After the processing is completed, turn the support shaft 29 in the opposite direction, and the support shaft 29 moves to the left, driving the end face positioning block 26 to move to the left, the end face positioning block 26 leaves the workpiece, loosens the fixing nut 9, the operator presses the driving lever 24, and dials The fork 25 drives the positioning pin shaft 6 to break away from the pin sleeve-4 holes of the indexing hole on the rotating disk 13, the rotating disk 13 can rotate, and the rotating disk 13 is rotated to another position that needs to be processed, and the positioning pin shaft 6 passes through the rotating disk 13 The pin sleeve one 4 holes of another indexing hole on the top and the pin sleeve two 7 holes of the fixed hole on the support seat 30, the same method can process another position of workpiece.

Finally, it should be noted that the above-mentioned examples are only specific embodiments of the present invention. Apparently, the utility model is not limited to the above embodiments, and many variations are possible. All deformations that a person skilled in the art can derive or associate directly from the disclosure of the present invention should be considered as the protection scope of the present invention.

Claims (5)

1. The fixture of the machining center of the lower support of the lifting cylinder, including the bottom plate (1), is characterized in that the left and right sides of the bottom plate (1) are provided with support seats (30) and seat bodies (2), and the support seats (30) are provided with Internal thread is provided with support shaft (29), and the support shaft (29) is provided with the external thread that is compatible with support seat (30) internal thread, and support shaft (29) is screwed on the support seat, and support shaft (29 ) is provided with an end face positioning block (26), and the end face positioning block (26) is installed on the right end of the support shaft (29) through a bearing (28), and the end face positioning block (26) can rotate on the support shaft (29), and the support shaft (29) The rotation can drive the end face positioning block (26) to move left and right; the supporting base (30) is provided with a rotating shaft (14), and the rotating shaft (14) is fixed on the supporting base (30) through the supporting bearing (12), and the rotation The shaft (14) can rotate on the support seat (30). An indexing hole is provided, and a fixing hole is provided on the supporting base (30). The positioning pin (6) is used to stop the rotation of the rotating disc between the indexing hole on the rotating disc (13) and the fixing hole on the supporting base (30). (13) rotate, and the left end of rotating shaft (14) is provided with the fixture that fixes the lift cylinder lower support workpiece that needs processing. 2. The jig for the machining center of the lower support of the lifting cylinder according to claim 1, characterized in that the bottom plate (1) is connected with a shift fork seat (23), and a shift fork (25) is provided, and the shift fork (25) is connected with The shift fork seat (23) is movably connected, the front end of the shift fork (25) is connected with the driving lever (24), the end of the shift fork (25) is connected with the above-mentioned positioning pin (6), and the positioning pin (6) is worn on the In the fixing hole, a step is provided on the locating pin (6), a spring (5) is provided on the step, the end cover (3) passes through the locating pin (6), and the end cover (3) is fixed on the base (2 ), the end cover (3) fixes the spring (5) in the fixing hole on the support seat (30). 3. The fixture of the machining center of the lower support of the lifting cylinder according to claim 1 or 2, wherein the fixing device at the left end of the rotating shaft (14) includes a positioning pin screw (16) fixed on the rotating shaft (14) , the positioning pin screw (16) is provided with a gasket (17) and a fastening nut (15), insert the workpiece of the lower support of the lifting cylinder to be processed into the positioning pin screw (16), and then insert the gasket (17) , fix the workpiece on the rotating shaft (14) with the fastening nut (15). 4. The jig for the machining center of the lower support of the lifting cylinder according to claim 1 or 2, characterized in that the right end of the rotating shaft (14) is provided with an external thread, and the right end of the rotating shaft (14) is screwed with a fixing nut (9) . 5. The jig for the machining center of the lower support of the lift cylinder according to claim 1 or 2, wherein the left end of the support shaft (29) is provided with a handwheel (33).