CN210997387U

CN210997387U - Pneumatic press

Info

Publication number: CN210997387U
Application number: CN201922119903.2U
Authority: CN
Inventors: 张珂; 张志安; 王敏
Original assignee: Shanghai Yang Yu Automotive Technology Co ltd
Current assignee: Shanghai Yang Yu Automotive Technology Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-07-14
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a pneumatic press relates to many parts pressfitting assembly technical field, and it includes the workstation and sets up the support frame in workstation one side, and the support frame has erect two-way cylinder in the top of workstation, and two-way cylinder includes piston rod and lower piston rod, goes up piston rod and the coaxial vertical setting of lower piston rod, and the thread bush is equipped with the stop collar on going up the piston rod. The utility model has the advantages of help reducing the condition emergence of pneumatic press to the part excessive pressure, help guaranteeing the quality of product assembly.

Description

Pneumatic press

Technical Field

The utility model belongs to the technical field of many parts pressfitting assembly technique and specifically relates to a pneumatic press is related to.

Background

The pneumatic press is a stamping press. In production, the stamping process has the advantages of material and energy conservation, high efficiency, low technical requirement on operators and capability of making products which cannot be achieved by mechanical processing through various die applications compared with the traditional mechanical processing, so that the stamping process has wider and wider application.

The traditional Chinese patent with the publication number of CN202684461U discloses a portable pneumatic press, which comprises a bottom plate, vertical plates, a workbench surface, a left side plate, a right side plate, a flange plate, a cylinder, a pressure head connecting piece and a pneumatic control device, wherein the two vertical plates are arranged on the upper plane of the bottom plate, the workbench surface is arranged on the vertical plates, the left side plate and the right side plate which are parallel correspondingly are fixed on the workbench surface, the flange plate is fixed between the left side plate and the right side plate and close to the upper edge, the cylinder is arranged on the flange plate, the pressure head connecting piece is arranged on a piston rod of the cylinder, the pneumatic control device is arranged between the bottom plate and the workbench surface, and the pneumatic control device is fixed on the two vertical plates.

By adopting the scheme, the working personnel can place two parts which need to be pressed and assembled together on the working table top from top to bottom, and the cylinder pushes the pressure head connecting piece to press down, so that the two parts can complete the pressing and assembling operation. However, the cylinder is low in self telescopic stroke precision, the cylinder directly drives the pressure head connecting piece to press two parts, the over-pressure condition is easy to occur, the assembly quality of a product is seriously affected, and a part to be improved exists.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model aims to provide a pneumatic press, with the help of the feed stroke of stop collar restriction two-way cylinder, help reducing the pneumatic press and take place to the condition of part excessive pressure, help guaranteeing the quality of product assembly.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a pneumatic press, includes the workstation and sets up the support frame in workstation one side, the support frame has erect two-way cylinder in the top of workstation, two-way cylinder includes piston rod and lower piston rod, go up the coaxial vertical setting of piston rod and lower piston rod, go up the threaded sleeve and be equipped with the stop collar on the piston rod.

By adopting the technical scheme, in work, a worker can adjust the position of the limiting sleeve on the upper piston rod according to the pressing and assembling requirements of the part, the limiting sleeve stops the downward overpressure of the bidirectional cylinder, the situation that the pneumatic press presses the part to cause overpressure is reduced, and the quality of product assembly is guaranteed.

The utility model discloses further set up to: and the upper piston rod is provided with a fixing nut on the upper side of the limiting sleeve in a threaded manner.

Through adopting above-mentioned technical scheme, after the staff accomplished position control to the stop collar on the upper piston rod, rotate fixation nut for fixation nut supports tight stop collar, helps guaranteeing the stability of stop collar on the upper piston rod, reduces the condition emergence that the stop collar removed in long-time work, helps guaranteeing pneumatic press's the precision of pushing down.

The utility model discloses further set up to: and a buffer rubber gasket is coaxially and fixedly arranged on the lower side of the limiting sleeve.

Through adopting above-mentioned technical scheme, set up buffering packing ring at the downside of stop collar, help reducing the noise of stop collar and two-way cylinder body collision to help avoiding the impaired condition of stop collar and two-way cylinder body collision to take place.

The utility model discloses further set up to: the lifting frame is vertically arranged on the support frame in a lifting mode, the bidirectional air cylinder is fixed on the lifting frame, and a driving piece used for driving the lifting frame to lift is arranged on the support frame.

Through adopting above-mentioned technical scheme, by the lift frame lift of driving piece drive on the support frame, help promoting the adaptability of pneumatic press to the pressfitting assembly operation of multiple not high part.

The utility model discloses further set up to: the support frame is the column, the vertical crane that runs through of support frame, just the crane slides the cooperation with the support frame.

Through adopting above-mentioned technical scheme, run through the crane and slide the cooperation with the crane by the support frame, help guaranteeing the stability that the crane slided on the support frame.

The utility model discloses further set up to: the driving piece is a handle screw rod, an extension plate is fixedly arranged on the upper side of the support frame, the handle screw rod vertically penetrates through the extension plate from top to bottom and is connected with the extension plate in a rotating mode, and the end portion of the handle screw rod extends downwards and penetrates through the lifting frame in a threaded mode.

Through adopting above-mentioned technical scheme, in the actual work, the staff can the twist grip screw rod to drive the carriage and go up and down on the support frame, thereby realize the drive operation that the carriage goes up and down on the support frame, and help making things convenient for the staff to the regulation operation of carriage height on the support frame.

The utility model discloses further set up to: the lower end of the lower piston rod is detachably and fixedly provided with a butt joint head.

By adopting the technical scheme, on one hand, the abutting joint contacts the part and presses down the part, so that the contact area between the lower piston rod of the bidirectional cylinder and the part is enlarged, and the condition that the part is damaged due to overlarge pressure of the lower piston rod on the part is reduced; on the other hand, different butt joints can be changed according to different parts to the staff, helps promoting the suitability of pneumatic press to the pressfitting assembly operation of multiple different shape parts.

The utility model discloses further set up to: the butt joint head includes its grafting post, the downside of piston rod under upwards coaxial penetrating is down followed to the grafting post, the downside screw thread of piston rod wears to be equipped with the butt bolt down, the tip of butt bolt supports tightly on the lateral wall of grafting post.

Through adopting above-mentioned technical scheme, in the actual work, the staff can change butt joint with the help of the butt bolt, realizes that the first dismantlement of butt joint is fixed on piston rod down to help making things convenient for the staff to butt the change operation of joint on piston rod down.

The utility model discloses further set up to: the horizontal sliding of workstation is provided with the mount pad, be provided with the connecting piece that is used for fixed mounting seat on the workstation.

Through adopting above-mentioned technical scheme, in the actual work, the staff can slide the mount pad on the workstation to fix the mount pad with the help of the connecting piece, thereby realize the regulation operation to the part position on the workstation, promote the suitability of pneumatic press to multiple different part pressfitting assembly operation.

The utility model discloses further set up to: the workstation is last to have seted up the spout along the horizontal direction, it is provided with the slider to slide in the spout, the slider is less than the upside opening of spout, the connecting piece is connecting bolt, connecting bolt wears to establish the mount pad from the top down, just connecting bolt's tip extends and the screw thread penetrates in the slider to the slider.

Through adopting above-mentioned technical scheme, in the actual work, the staff can slide the slider in the spout, fixes the mount pad locking on the slider by connecting bolt again to help guaranteeing the stability of mount pad on the workstation, and make things convenient for the regulation operation of staff to the mount pad position.

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) the feeding stroke of the bidirectional cylinder is limited by the limiting sleeve, so that the occurrence of the situation that the pneumatic press overpressures parts is reduced, and the quality of product assembly is ensured;

(2) the lifting frame is driven by the driving piece to lift on the supporting frame, and the mounting seat is arranged on the workbench in a sliding mode, so that the applicability of the pneumatic press to the press-fit assembly operation of various different parts is greatly improved.

Drawings

FIG. 1 is a schematic axial view of the present embodiment mainly showing the overall structure of the pneumatic press;

fig. 2 is an exploded view of the pneumatic press according to the present embodiment.

Reference numerals: 1. a work table; 11. a support frame; 111. an extension plate; 2. a chute; 21. a slider; 3. a lifting frame; 4. a handle screw; 5. a bidirectional cylinder; 6. an upper piston rod; 61. a limiting sleeve; 611. a cushion rubber washer; 62. fixing a nut; 7. a lower piston rod; 71. a butting head; 711. inserting the column; 72. an abutment bolt; 8. a mounting seat; 81. and connecting the bolts.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

Example (b):

referring to fig. 1 and 2, a pneumatic press, including workstation 1 and the support frame 11 of setting in workstation 1 one side, the vertical lift in the top of workstation 1 of support frame 11 is provided with crane 3, still is provided with the handle screw rod 4 that is used for driving crane 3 to go up and down on the support frame 11, fixedly on the crane 3 being equipped with two-way cylinder 5, two-way cylinder 5 includes piston rod 6 and lower piston rod 7, piston rod 6 and the coaxial vertical setting of lower piston rod 7 go up, the threaded bush is equipped with stop collar 61 on the piston rod 6. During work, a worker can adjust the heights of the lifting frame 3 and the bidirectional cylinder 5 by means of the handle screw rod 4 according to the pressing and assembling requirements of parts, the position of the limiting sleeve 61 on the upper piston rod 6 is adjusted, the limiting sleeve 61 blocks the bidirectional cylinder 5 from excessive pressure downwards, and the situation that the pneumatic press presses the parts to be excessive pressure is reduced.

The support frame 11 is the column, and the support frame 11 is vertical to be fixed at the upside of workstation 1, and the crane 3 is vertically run through to the support frame 11, and the crane 3 slides with the support frame 11 and cooperates. The upper side of the support frame 11 is fixedly provided with an extension plate 111, a handle screw rod 4 vertically penetrates through the extension plate 111 from top to bottom and is rotatably connected with the extension plate 111, and the end part of the handle screw rod 4 extends downwards and penetrates through the lifting frame 3 in a threaded manner. In actual work, a worker can rotate the handle screw rod 4 to drive the lifting frame 3 to vertically lift on the supporting frame 11.

The upper piston rod 6 is provided with a fixing nut 62 on the upper side of the limit sleeve 61 by screw thread, and a buffer rubber washer 611 is coaxially and fixedly arranged on the lower side of the limit sleeve 61. After the position of the limiting sleeve 61 on the upper piston rod 6 is adjusted by a worker, the fixing nut 62 is rotated, so that the fixing nut 62 abuts against the limiting sleeve 61, and the stability of the limiting sleeve 61 on the upper piston rod 6 is guaranteed; when two-way cylinder 5 pushed down, buffering rubber gasket 611 will be followed the two-way cylinder 5 cylinder body of contradicting, helps avoiding stop collar 61 and the impaired condition of two-way cylinder 5 cylinder body collision to take place.

Lower piston rod 7 lower extreme is provided with butt head 71, and butt head 71 includes its grafting post 711, and the downside of piston rod 7 is down upwards coaxially penetrated to grafting post 711 from down, and the downside screw thread of lower piston rod 7 is worn to be equipped with butt bolt 72, and the tip of butt bolt 72 supports tightly on the lateral wall of grafting post 711. In actual work, the staff can replace the abutting joint 71 by unscrewing and screwing the abutting bolt 72 according to the requirements of the press-fit assembly operation of different parts.

1 upside of workstation has seted up spout 2 along the horizontal direction, slides in the spout 2 and is provided with slider 21, and slider 21 is less than the upside opening of spout 2, and spout 2 and slider 21 all are T type structure, and the side of going up of slider 21 is less than the upside opening of spout 2. Be provided with mount pad 8 on workstation 1, the both sides at 2 width direction of spout in workstation 1 are erect to the lower side of mount pad 8, and from the top down wears to be equipped with connecting bolt 81 on mount pad 8, and connecting bolt 81's tip extends and the screw thread penetrates in slider 21 to slider 21. In actual work, the staff can loosen the connecting bolt 81 according to the pressing assembly operation requirements of different parts, slide in the sliding groove 2 through the sliding block 21, move the position of the mounting seat 8 on the workbench 1, tighten the connecting bolt 81 again, and lock and fix the mounting seat 8 on the workbench 1.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a pneumatic press, includes workstation (1) and sets up support frame (11) in workstation (1) one side, its characterized in that, two-way cylinder (5) have been erect in the top of workstation (1) in support frame (11), two-way cylinder (5) are including last piston rod (6) and lower piston rod (7), go up piston rod (6) and the coaxial vertical setting of lower piston rod (7), it is equipped with stop collar (61) to go up the thread bush on piston rod (6).

2. A pneumatic press according to claim 1, characterised in that the upper piston rod (6) is threaded with a fixing nut (62) on the upper side of the stop collar (61).

3. A pneumatic press according to claim 1, characterised in that the underside of the stop collar (61) is coaxially and fixedly provided with a cushion rubber washer (611).

4. The pneumatic press according to claim 1, wherein a lifting frame (3) is vertically arranged on the supporting frame (11) in a lifting manner, the bidirectional cylinder (5) is fixed on the lifting frame (3), and a driving piece for driving the lifting frame (3) to lift is arranged on the supporting frame (11).

5. A pneumatic press according to claim 4, wherein the carriage (11) is cylindrical, the carriage (11) extends vertically through the crane (3), and the crane (3) is slidably engaged with the carriage (11).

6. The pneumatic press according to claim 4, wherein the driving member is a handle screw (4), the upper side of the support frame (11) is fixedly provided with an extension plate (111), the handle screw (4) vertically penetrates through the extension plate (111) from top to bottom and is rotatably connected with the extension plate (111), and the end part of the handle screw (4) extends downwards and is threaded through the lifting frame (3).

7. A pneumatic press according to claim 1, characterised in that the lower end of the lower piston rod (7) is detachably and fixedly provided with an abutment head (71).

8. The pneumatic press according to claim 7, characterized in that the abutment head (71) comprises an insertion column (711) thereof, the insertion column (711) coaxially penetrates into the lower side of the lower piston rod (7) from bottom to top, an abutment bolt (72) is threaded through the lower side of the lower piston rod (7), and the end of the abutment bolt (72) abuts against the side wall of the insertion column (711).

9. A pneumatic press according to claim 1, wherein the table (1) is provided with a mounting base (8) in a horizontally sliding manner, and the table (1) is provided with a connecting piece for fixing the mounting base (8).

10. The pneumatic press according to claim 9, wherein a sliding groove (2) is formed in the workbench (1) in the horizontal direction, a sliding block (21) is slidably arranged in the sliding groove (2), the sliding block (21) is lower than an upper opening of the sliding groove (2), the connecting piece is a connecting bolt (81), the mounting seat (8) is penetrated through the connecting bolt (81) from top to bottom, and the end of the connecting bolt (81) extends towards the sliding block (21) and penetrates into the sliding block (21) in a threaded manner.