阅读说明：本技术 一种真空泵端盖的液压夹具 (Hydraulic clamp of vacuum pump end cover ) 是由 李思宇 王锐 于 2021-09-06 设计创作，主要内容包括：本发明涉及夹具技术领域,具体为一种真空泵端盖的液压夹具,包括底板。该种真空泵端盖的液压夹具通过气缸收缩带动竖板下移,促使两个偏转杆下移与圆锥的侧面抵触,促使两个偏转杆的底端偏转向两侧展开,进而带动两个卡板下移的同时向两侧偏转,从真空泵端盖的内侧将真空泵端盖固定住,操作简单方便,通过气缸收缩带动竖板下移,促使两个偏转杆下移与圆锥的侧面抵触,促使两个偏转杆的底端偏转向两侧展开,从真空泵端盖的内侧将真空泵端盖固定住,然后使用者通过转动转杆带动空心盘转动,促使三个挤压块同时挤压三个抵触杆,进而促使挤压杆偏转对真空泵端盖的外侧进行夹持固定,保证装置对真空泵端盖打孔时的稳定性。(The invention relates to the technical field of clamps, in particular to a hydraulic clamp for a vacuum pump end cover. This kind of hydraulic fixture of vacuum pump end cover moves down through cylinder shrink drive riser, make two deflection poles move down and conflict with the side of circular cone, make the bottom of two deflection poles deflect to both sides and expand, and then deflect to both sides when driving two cardboards and move down, the inboard from the vacuum pump end cover is fixed the vacuum pump end cover, and easy operation is convenient, it moves down to drive the riser through cylinder shrink, make two deflection poles move down and conflict with the side of circular cone, make the bottom of two deflection poles deflect to both sides and expand, the inboard from the vacuum pump end cover is fixed the vacuum pump end cover, then the user drives hollow dish through rotating the bull stick and rotates, make three extrusion piece extrude three simultaneously and support the feeler lever, and then make the extrusion pole deflect and carry out the centre gripping to the outside of vacuum pump end cover fixed, the stability when the assurance device punches to the vacuum pump end cover.)

1. The utility model provides a hydraulic fixture of vacuum pump end cover, includes bottom plate (1), its characterized in that: the top surface of the bottom plate (1) is rotatably connected with a turntable (2), the side surface of the turntable (2) is fixedly sleeved with a driven gear (3), the side surface of the driven gear (3) is engaged with a driving gear (4), the bottom surface of the driving gear (4) is fixedly connected with a motor (5), and the bottom surface of the motor (5) is fixedly connected with the top surface of the bottom plate (1);

the middle part of carousel (2) top surface fixedly connected with fixture (6), the top surface fixedly connected with fixed establishment (7) of carousel (2).

2. The hydraulic clamp for the vacuum pump end cover according to claim 1, wherein: fixture (6) include cylinder (61), the bottom surface of cylinder (61) and the middle part fixed connection of carousel (2) top surface, the top surface fixedly connected with riser (62) of cylinder (61), the front of riser (62) is rotated and is connected with dwang (63), the both ends of dwang (63) side are all rotated and are connected with deflection pole (64), the top fixedly connected with cardboard (65) of deflection pole (64), the side fixedly connected with reset spring (66) of cardboard (65), the one end fixedly connected with fixed block (67) of reset spring (66), the side of fixed block (67) and the side fixed connection of riser (62).

3. The hydraulic clamp for the vacuum pump end cover according to claim 2, wherein: the fixing mechanism (7) comprises a circular tube (701), the bottom surface of the circular tube (701) is fixedly connected with the middle of the top surface of the rotary disc (2), the top surface of the circular tube (701) is fixedly connected with a disc (702), the disc (702) is arranged on the outer side of the clamping plate (65), a rectangular groove (703) is formed in the side surface of the circular tube (701), a touch block (704) is movably inserted into the upper side of the inner wall of the rectangular groove (703), the side surface of the touch block (704) is movably connected with the top surface of the inner wall of the rectangular groove (703) through a spring, a rotary rod (705) is connected to the side surface of the inner wall of the rectangular groove (703) in a sliding mode, one end of the rotary rod (705) is fixedly connected with a hollow disc (706), the hollow disc (706) is arranged on the inner side of the circular tube (701), and an extrusion block (707) is fixedly connected to the side surface of the hollow disc (706);

the inner side of the hollow disc (706) is fixedly connected with a connecting rod (712), one end, far away from the hollow disc (706), of the connecting rod (712) is fixedly connected with a sleeve (713), the sleeve (713) is movably sleeved on the side face of a telescopic rod of the cylinder (61), the side face of the sleeve (713) is fixedly sleeved with a cone (714), and the side face of the cone (714) is overlapped with the side face of the deflection rod (64);

annular groove (708) have been seted up to the inboard of pipe (701), the inboard activity interlude of annular groove (708) has conflict pole (709), the one end of conflict pole (709) is contradicted with the side of extrusion piece (707), the other end of conflict pole (709) is contradicted and is had extrusion stem (710), the middle part of extrusion stem (710) side is articulated with the side of pipe (701), the middle part fixedly connected with extension spring (711) of extrusion stem (710) side, the one end of keeping away from extrusion stem (710) of extension spring (711) and the side fixed connection of pipe (701).

4. The hydraulic clamp for the vacuum pump end cover according to claim 2, wherein: the number of the deflection rods (64) is two, and one side, opposite to the two deflection rods (64), of each deflection rod is connected with the front side and the rear side of the corresponding vertical plate (62) in a sliding mode.

5. The hydraulic clamp for the vacuum pump end cover according to claim 2, wherein: the clamping plate (65) is C-shaped, and one end, away from the deflection rod (64), of the clamping plate (65) is hemispherical.

6. A hydraulic clamp for a vacuum pump end cap according to claim 3, wherein: the number of the extrusion blocks (707) is three, and the three extrusion blocks (707) are distributed annularly at equal intervals.

7. A hydraulic clamp for a vacuum pump end cap according to claim 3, wherein: the shape of the abutting rod (709) is T-shaped, and one end of the abutting rod (709) in contact with the extrusion rod (710) is hemispherical.

8. A hydraulic clamp for a vacuum pump end cap according to claim 3, wherein: the pressing rod (710) is composed of a rectangular plate and a cylinder, and the cylinder is arranged on the upper side of the rectangular plate.

Technical Field

The invention relates to the technical field of clamps, in particular to a hydraulic clamp for a vacuum pump end cover.

Background

The vacuum pump refers to a device or equipment for obtaining vacuum by pumping a pumped container by using a mechanical, physical, chemical or physicochemical method. In general, a vacuum pump is a device for improving, generating and maintaining a vacuum in a certain closed space by various methods. The end cover on the vacuum pump needs to be punched and polished in the production process.

When the vacuum pump end cover is machined, a clamp is needed, and the existing part of clamps are usually fixed by bolts and nuts, so that the fixing and the disassembly are inconvenient, and the smooth machining is influenced; the existing part of clamps can only clamp the vacuum pump end cover with a specified size, and the practicability is poor; the existing vacuum pump end cover needs to polish the inside and the outside of the vacuum pump end cover, and after the inside of the vacuum pump end cover is polished, the clamp needs to be replaced, the outside of the vacuum pump end cover is polished, and the operation is troublesome.

Disclosure of Invention

The invention aims to provide a hydraulic clamp for a vacuum pump end cover, which aims to solve the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme: a hydraulic clamp of a vacuum pump end cover comprises a bottom plate, wherein the top surface of the bottom plate is rotatably connected with a rotary table, the side surface of the rotary table is fixedly sleeved with a driven gear, the side surface of the driven gear is engaged with a driving gear, the bottom surface of the driving gear is fixedly connected with a motor, and the bottom surface of the motor is fixedly connected with the top surface of the bottom plate;

the middle part fixedly connected with fixture of carousel top surface, the top surface fixedly connected with fixed establishment of carousel.

Preferably, fixture includes the cylinder, the bottom surface of cylinder and the middle part fixed connection of carousel top surface, the top surface fixedly connected with riser of cylinder, the front of riser is rotated and is connected with the dwang, the both ends of dwang side are all rotated and are connected with the deflection pole, the top fixedly connected with cardboard of deflection pole, the side fixedly connected with reset spring of cardboard, the one end fixedly connected with fixed block of reset spring, the side of fixed block and the side fixed connection of riser.

Preferably, the fixing mechanism comprises a circular tube, the bottom surface of the circular tube is fixedly connected with the middle part of the top surface of the rotary table, the top surface of the circular tube is fixedly connected with a circular disc, the circular disc is arranged on the outer side of the clamping plate, a rectangular groove is formed in the side surface of the circular tube, a contact block is movably inserted into the upper side of the inner wall of the rectangular groove, the side surface of the contact block is movably connected with the top surface of the inner wall of the rectangular groove through a spring, a rotary rod is slidably connected with the side surface of the inner wall of the rectangular groove, a hollow disc is fixedly connected to one end of the rotary rod and is arranged on the inner side of the circular tube, and an extrusion block is fixedly connected to the side surface of the hollow disc;

the inner side of the hollow disc is fixedly connected with a connecting rod, one end of the connecting rod, which is far away from the hollow disc, is fixedly connected with a sleeve, the sleeve is movably sleeved on the side surface of a telescopic rod of the air cylinder, the side surface of the sleeve is fixedly sleeved with a cone, and the side surface of the cone is lapped with the side surface of the deflection rod;

the annular has been seted up to the inboard of pipe, the inboard activity interlude of annular has the conflict pole, the one end of conflict pole is contradicted with the side of extrusion piece, the other end of conflict pole is contradicted and is had the extrusion stem, the middle part of extrusion stem side is articulated with the side of pipe, the middle part fixedly connected with extension spring of extrusion stem side, the one end of keeping away from the extrusion stem of extension spring and the side fixed connection of pipe.

Preferably, the number of the deflection rods is two, and one opposite side of the two deflection rods is respectively connected with the front side and the rear side of the two vertical plates in a sliding manner.

Preferably, the clamping plate is C-shaped, and one end of the clamping plate, which is far away from the deflection rod, is hemispherical.

Preferably, the number of the extrusion blocks is three, and the three extrusion blocks are distributed annularly at equal intervals.

Preferably, the shape of the interference rod is T-shaped, and one end of the interference rod, which is contacted with the extrusion rod, is hemispherical.

Preferably, the pressing rod is composed of a rectangular plate and a cylinder, and the cylinder is on an upper side of the rectangular plate.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the vertical plate is driven to move downwards through the contraction of the air cylinder, the two deflection rods are driven to move downwards to be abutted against the side face of the cone, the bottom ends of the two deflection rods are driven to deflect towards two sides and expand, the two clamping plates are driven to move downwards and deflect towards two sides, the vacuum pump end cover is fixed from the inner side of the vacuum pump end cover, the operation is simple and convenient, and the fitting degree of the bottom surface of the vacuum pump end and the top surface of the rotary table is convenient to guarantee.

According to the invention, the vertical plate is driven to move downwards through the contraction of the air cylinder, the two deflection rods are driven to move downwards to be abutted against the side face of the cone, the bottom ends of the two deflection rods are driven to deflect to two sides for expansion, the vacuum pump end cover is fixed from the inner side of the vacuum pump end cover, then a user drives the hollow disc to rotate through rotating the rotation rods, the three extrusion blocks are driven to simultaneously extrude the three abutment rods, the extrusion rods are driven to deflect to clamp and fix the outer side of the vacuum pump end cover, and the stability of the vacuum pump end cover during punching is ensured when the device punches the vacuum pump end cover.

According to the invention, the bottom ends of the two deflection rods are deflected to two sides to be unfolded through the matching of the air cylinder and the vertical plate, the vacuum pump end cover is fixed from the inner side of the vacuum pump end cover, the driven gear is driven to rotate through the matching of the motor and the driving gear to drive the rotary table to rotate, a user can conveniently polish the surface of the vacuum pump end cover, then the user drives the hollow disc to rotate through rotating the rotary rod to drive the three extrusion blocks to simultaneously extrude the three touch rods, so that the extrusion rods are driven to deflect to clamp and fix the outer side of the vacuum pump end cover, then the deflection rods are driven to be separated from the inner side of the vacuum pump end cover through upward moving of the air cylinder, and then the polishing practicability of the inner side of the vacuum pump end cover is better.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A;

FIG. 3 is a sectional view of a partial three-dimensional structure according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

fig. 5 is a sectional view of a partial three-dimensional structure in the present invention.

In the figure: 1. a base plate; 2. a turntable; 3. a driven gear; 4. a driving gear; 5. a motor; 6. a clamping mechanism; 61. a cylinder; 62. a vertical plate; 63. rotating the rod; 64. a deflection bar; 65. clamping a plate; 66. a reset spring; 67. a fixed block; 7. a fixing mechanism; 701. a circular tube; 702. a disc; 703. a rectangular groove; 704. a contact block; 705. a rotating rod; 706. a hollow disc; 707. extruding the block; 708. a ring groove; 709. a touch bar; 710. an extrusion stem; 711. a tension spring; 712. a connecting rod; 713. a sleeve; 714. a cone.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by workers skilled in the art without any inventive work based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: a hydraulic clamp for a vacuum pump end cover comprises a bottom plate 1, wherein the top surface of the bottom plate 1 is rotatably connected with a rotary table 2, the side surface of the rotary table 2 is fixedly sleeved with a driven gear 3, the side surface of the driven gear 3 is engaged with a driving gear 4, the bottom surface of the driving gear 4 is fixedly connected with a motor 5, and the bottom surface of the motor 5 is fixedly connected with the top surface of the bottom plate 1;

the middle part of the top surface of the turntable 2 is fixedly connected with a clamping mechanism 6, and the top surface of the turntable 2 is fixedly connected with a fixing mechanism 7.

In this embodiment, as shown in fig. 1, fig. 4 and fig. 5, the clamping mechanism 6 includes a cylinder 61, the bottom surface of the cylinder 61 is fixedly connected with the middle part of the top surface of the turntable 2, a top surface fixedly connected with vertical plate 62 of the cylinder 61, the front surface of the vertical plate 62 is rotatably connected with a rotating rod 63, both ends of the side surface of the rotating rod 63 are rotatably connected with a deflection rod 64, the top end fixedly connected with clamping plate 65 of the deflection rod 64, the side surface fixedly connected with reset spring 66 of the clamping plate 65, one end fixedly connected with fixing block 67 of the reset spring 66, and the side surface of the fixing block 67 is fixedly connected with the side surface of the vertical plate 62.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, the fixing mechanism 7 includes a circular tube 701, a bottom surface of the circular tube 701 is fixedly connected to a middle portion of a top surface of the turntable 2, a circular disc 702 is fixedly connected to the top surface of the circular tube 701, the circular disc 702 is located outside the clamping plate 65, a rectangular groove 703 is formed in a side surface of the circular tube 701, a contact block 704 is movably inserted into an upper side of an inner wall of the rectangular groove 703, a side surface of the contact block 704 is movably connected to a top surface of an inner wall of the rectangular groove 703 through a spring, a side surface of the inner wall of the rectangular groove 703 is slidably connected to a rotating rod 705, one end of the rotating rod 705 is fixedly connected to a hollow disc 706, the hollow disc 706 is located inside the circular tube 701, and a side surface of the hollow disc 706 is fixedly connected to an extrusion block 707;

the inner side of the hollow disc 706 is fixedly connected with a connecting rod 712, one end of the connecting rod 712, which is far away from the hollow disc 706, is fixedly connected with a sleeve 713, the sleeve 713 is movably sleeved on the side surface of the telescopic rod of the cylinder 61, the side surface of the sleeve 713 is fixedly sleeved with a cone 714, and the side surface of the cone 714 is lapped with the side surface of the deflection rod 64;

the inner side of the circular tube 701 is provided with a ring groove 708, the inner side of the ring groove 708 is movably inserted with a touch rod 709, one end of the touch rod 709 abuts against the side surface of the extrusion block 707, the other end of the touch rod 709 abuts against the extrusion rod 710, the middle part of the side surface of the extrusion rod 710 is hinged with the side surface of the circular tube 701, the middle part of the side surface of the extrusion rod 710 is fixedly connected with a tension spring 711, one end of the tension spring 711 far away from the extrusion rod 710 is fixedly connected with the side surface of the circular tube 701, the cylinder 61 contracts to drive the vertical plate 62 to move downwards, so that the two deflection rods 64 move downwards to abut against the side surface of the cone 714, so that the bottom ends of the two deflection rods 64 deflect to two sides to be unfolded, the vacuum pump end cover is fixed from the inner side of the vacuum pump end cover, then a user drives the hollow disc 706 to rotate by rotating the rotating rod 705, so that the three extrusion blocks 707 simultaneously extrude the three touch rods 709, and further cause the extrusion rod 710 to deflect to clamp and fix the outer side of the vacuum pump end cover, when the device punches the vacuum pump end cover, the stability when the vacuum pump end cover punches is guaranteed.

In this embodiment, as shown in fig. 4 and 5, the number of the deflection rods 64 is two, and one side of each of the two deflection rods 64 opposite to each other is slidably connected to the front and rear sides of the two vertical plates 62, so that the two deflection rods 64 are driven to move downwards by the contraction of the cylinder 61, which is convenient for driving the clamping plate 65 to deflect and move downwards to fix the vacuum pump end cover.

In this embodiment, as shown in fig. 1 and 5, the clamping plate 65 is C-shaped, and one end of the clamping plate 65 away from the deflection rod 64 is hemispherical, so as to ensure the stability of the contact between the rotation rod 64 and the surface of the vacuum pump end cover.

In this embodiment, as shown in fig. 3 and 5, the number of the extrusion blocks 707 is three, and the three extrusion blocks 707 are distributed annularly at equal intervals, and the hollow disc 706 drives the extrusion blocks 707 to rotate, so as to ensure that the three extrusion blocks 707 simultaneously extrude the three contact rods 709, so that the contact rods 709 move to abut against the extrusion rods 710, and the extrusion rods 710 deflect to fix the vacuum pump end cover.

In this embodiment, as shown in fig. 1, 3 and 5, the contact rod 709 is T-shaped, and an end of the contact rod 709, which contacts the extrusion rod 710, is hemispherical, so as to ensure that the contact rod 709 can stably push the extrusion rod 710 to deflect.

In this embodiment, as shown in fig. 1, 3 and 5, the extrusion rod 710 is composed of a rectangular plate and a cylinder, and the cylinder is on the upper side of the rectangular plate and deflected by the extrusion rod 710, so as to cause the side surface of the cylinder to fix the vacuum pump end cover.

The use method and the advantages of the invention are as follows: when the hydraulic clamp of the vacuum pump end cover is used, the working process is as follows:

as shown in fig. 1, 2, 3, 4 and 5, a vacuum pump end cover to be perforated is placed on the top surface of a disc 702, then a cylinder 61 is contracted to drive a vertical plate 62 to move downwards, so that two deflection rods 64 move downwards to abut against the side surface of a cone 714, and in the process of moving downwards of the two deflection rods 64, the bottom ends of the two deflection rods 64 are deflected to expand towards two sides, so that two clamping plates 65 are driven to move downwards and simultaneously deflect towards two sides, and are fixed with the top surface of the vacuum pump end cover, the vacuum pump end cover is fixed from the inner side of the vacuum pump end cover, and a user can conveniently polish the outer side of the vacuum pump end cover;

then, a user rotates the rotating rod 705 to enable the rotating rod 705 to drive the hollow disc 706 to rotate, the hollow disc 706 drives the three extrusion blocks 707 to simultaneously extrude the three abutting rods 709, the abutting rods 709 are enabled to move to abut against the extrusion rods 710, the extrusion rods 710 are enabled to deflect to clamp and fix the outer side of the vacuum pump end cover, the rotating rod 705 is convenient to fix through the abutting blocks 704, the vacuum pump end cover is fixed for the second time, and the stability of the vacuum pump end cover when the device punches the vacuum pump end cover is guaranteed;

then drive driving gear 4 through motor 5 and rotate, impel driven gear 3 to rotate and drive carousel 2 and rotate, the position that the adjustment user punched to the vacuum pump end cover surface.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.