CN112388545A

CN112388545A - Gasoline pump assembly jig convenient to replace

Info

Publication number: CN112388545A
Application number: CN202011291661.6A
Authority: CN
Inventors: 林鹏; 胡东; 唐川林; 王舒; 王霞光
Original assignee: Hunan University of Humanities Science and Technology
Current assignee: Hunan University of Humanities Science and Technology
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-02-23

Abstract

The invention discloses a gasoline pump assembly fixture convenient to replace, which belongs to the technical field of gasoline pumps and comprises a workbench, wherein a supporting table is arranged at the top end of the workbench through a buffer mechanism, a limiting shell is fixed at the center of the top end of the supporting table, the bottom wall of the limiting shell is rotationally connected with a rotating column, a rotating disc is fixed at the top end of the rotating column, and a plurality of convex blocks are uniformly fixed at the outer end of the rotating disc along the circumferential direction of the rotating disc; according to the invention, the limiting shell, the rotating disc and the convex blocks are added, the gasoline pump shell is sleeved in the limiting shell, the rotating column is driven to rotate through the transmission action of the worm wheel and the worm, and then the rotating disc fixed at the top end of the rotating column is driven to rotate, so that the convex blocks fixed at the outer end of the rotating disc are driven to rotate, the plurality of convex blocks simultaneously push the corresponding support rods outwards, and the support plates fixed at the outer ends of the support rods move outwards, so that the support plates tightly abut against the inner wall of the gasoline pump shell, the gasoline pump shell is prevented from being deviated during stamping, and the assembly quality of the gasoline pump is improved.

Description

Gasoline pump assembly jig convenient to replace

Technical Field

The invention relates to the technical field of gasoline pumps, in particular to a gasoline pump assembling clamp convenient to replace.

Background

The gasoline pump is used for sucking gasoline from the oil tank and sending the gasoline to the float chamber of the carburetor through the pipeline and the gasoline filter. The gasoline tank can be arranged at the tail part of the automobile far away from the engine and is lower than the engine just because of the gasoline pump. The gasoline pump can be divided into a mechanical driving diaphragm type and an electric driving type according to different driving modes.

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. The fixture generally comprises a positioning element (for determining the correct position of a workpiece in the fixture), a clamping device, a tool setting guide element (for determining the relative position of the tool and the workpiece or guiding the direction of the tool), an indexing device (for enabling the workpiece to complete the processing of a plurality of stations in one-time installation, including a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body (a fixture base), and the like. The clamp types can be divided into: universal fixture. Such as machine vise, chuck, suction cup, index head and rotary table, etc., and has great versatility. ② special clamp. The special clamping tool is specially designed and manufactured for clamping a certain product part in a certain process, and has the advantages of special service object and strong pertinence. And thirdly, an adjustable clamp. The special fixture of the element can be replaced or adjusted. And fourthly, assembling the clamp. The clamp consisting of standardized elements of different shapes, specifications and uses is suitable for single-piece, small-lot production and temporary tasks of trial production of new products and frequent replacement of products.

When the gasoline pump is assembled, the shell of the gasoline pump is usually clamped, and then parts are stamped into the gasoline pump shell, the gasoline pump shell cannot be clamped well by the gasoline pump assembling clamp in the prior art, and the gasoline pump shell may deviate during stamping, so that the assembling quality of the gasoline pump is affected.

Therefore, a gasoline pump assembling clamp convenient to replace is provided to solve the problems.

Disclosure of Invention

The invention aims to provide a gasoline pump assembling clamp convenient to replace, and aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a gasoline pump assembly fixture convenient to replace comprises a workbench, wherein a supporting table is arranged at the top end of the workbench through a buffer mechanism, a limiting shell is fixed at the center of the top end of the supporting table, a rotating column is rotatably connected to the bottom wall of the limiting shell, a rotating disc is fixed at the top end of the rotating column, a plurality of convex blocks are uniformly fixed at the outer end of the rotating disc along the circumferential direction of the rotating disc, a plurality of limiting holes are formed in the outer end of each convex block, a supporting rod is slidably connected to the position, corresponding to the convex blocks, of the inner wall of the limiting shell, a limiting ball is fixed at the inner end of the supporting rod, the limiting ball and the limiting holes are correspondingly clamped, a second spring is sleeved between the supporting rod and the inner wall of the limiting shell, the outer end of the supporting rod extends out of the limiting shell and is fixed with a supporting plate, a recovery groove is formed in the position, corresponding to the supporting plate, of, the outer end of the worm wheel is meshed with a worm, the worm is rotatably connected with the inner wall of the limiting shell, the front end of the worm is connected with a motor, the motor is fixed with the inner wall of the limiting shell, and an outer clamping mechanism is arranged at the position, corresponding to the outer side of the limiting shell, of the supporting table.

Preferably, buffer gear is equipped with a plurality ofly, buffer gear includes sleeve, loop bar and spring one, telescopic bottom is fixed with the top of workstation, and sliding connection has the loop bar in the sleeve, the top of loop bar stretch out the sleeve and with the bottom mounting of a supporting bench, and the loop bar corresponds the position mounting between the bottom of a supporting bench and the workstation top and has spring one. When punching press, the brace table moves down, drives the loop bar and contracts into the sleeve, and the spring one shortens gradually, realizes that the spring plays the cushioning effect to the brace table of pushing down.

Preferably, two supporting blocks are further arranged between the worm and the inner wall of the limiting shell, the worm is rotatably connected with the two supporting blocks, and the bottom ends of the two supporting blocks are fixed to the bottom wall of the limiting shell.

Preferably, outer clamping mechanism is equipped with a plurality ofly, outer clamping mechanism is including rotating the outer splint of connecting in a supporting bench top, one side of outer splint bottom is fixed with the slide bar, a supporting bench corresponds the position of slide bar and has seted up the spout, slide bar sliding connection is in the spout, and the bottom of slide bar stretches out the bottom of spout and be fixed with the connecting rod, the connecting rod rotates and is connected with the hydraulic stem, the one end that the connecting rod was kept away from to the hydraulic stem is passed through the dead lever and is connected with the inner wall rotation of spacing shell. Through adding outer clamping mechanism, start the hydraulic stem, the hydraulic stem shortens, drives to rotate and connects the connecting rod removal on the hydraulic stem, drives then and follows spout inside displacement with the fixed slide bar of connecting rod top to the drive uses the bull stick as the center pin rotation in the fixed backup pad of slide bar, realizes that a plurality of backup pads rotate and presss from both sides tightly the petrol pump casing, further improves stability when the punching press.

Preferably, the inner end of the outer clamping plate and the outer end of the supporting plate are both fixed with soft pads.

Preferably, a rotating rod is further arranged between the supporting table and the outer clamping plate, the top end of the rotating rod is fixed to the bottom end of the outer clamping plate, and the bottom end of the rotating rod is rotatably connected with the top end of the supporting table.

Preferably, a fixing rod is arranged between the hydraulic rod and the limiting shell, the top end of the fixing rod is fixed to the top wall of the limiting shell, and the fixing rod is rotatably connected with one end, far away from the connecting rod, of the hydraulic rod.

The invention has the beneficial effects that:

according to the invention, the limiting shell, the rotating disc, the convex block and the like are added, the gasoline pump shell is sleeved in the limiting shell, the motor is started, the rotating column is driven to rotate through the transmission action of the worm wheel and the worm, and then the rotating disc fixed at the top end of the rotating column is driven to rotate, so that the convex block fixed at the outer end of the rotating disc is driven to rotate, the plurality of convex blocks simultaneously push the corresponding support rods outwards, and the support plates fixed at the outer ends of the support rods move outwards, so that the support plates tightly abut against the inner wall of the gasoline pump shell, the gasoline pump shell is prevented from being deviated during stamping, and the assembly quality of the gasoline pump is improved;

according to the invention, the external clamping mechanism is added, the hydraulic rod is started, the hydraulic rod is shortened, the connecting rod which is rotationally connected to the hydraulic rod is driven to move, and then the sliding rod which is fixed at the top end of the connecting rod is driven to move inwards along the sliding groove, so that the supporting plates which are fixed on the sliding rod are driven to rotate by taking the rotating rod as a central shaft, the multiple supporting plates are rotated to clamp the shell of the gasoline pump, and the stability during stamping is further improved;

according to the invention, by adding the buffer mechanism, when stamping is carried out, the support table moves downwards to drive the sleeve rod to retract into the sleeve, and the spring is gradually shortened, so that the spring has a buffer effect on the support table which is pressed downwards.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic view of the interior of the spacing shell structure of the present invention;

FIG. 3 is a schematic view of the worm gear of the present invention;

FIG. 4 is a bottom view of a portion of the present invention;

FIG. 5 is an enlarged view of the structure A of FIG. 1 according to the present invention;

FIG. 6 is an enlarged view of the structure B in FIG. 2 according to the present invention;

FIG. 7 is an enlarged view of the structure C of FIG. 3 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-workbench, 2-support table, 3-buffer mechanism, 301-sleeve, 302-sleeve rod, 303-spring I, 4-external clamping mechanism, 401-rotating rod, 402-external clamping plate, 403-sliding groove, 404-sliding rod, 405-hydraulic rod, 406-connecting rod, 407-fixing rod, 5-limiting shell, 6-rotating disk, 7-lug, 8-limiting hole, 9-rotating column, 10-worm wheel, 11-worm, 12-supporting block, 13-motor, 14-limiting sphere, 15-supporting rod, 16-spring II, 17-supporting plate and 18-recovery groove.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a gasoline pump assembly jig of convenient change, including workstation 1, buffer gear 3 is passed through on the top of workstation 1 and is equipped with a supporting bench 2, buffer gear 3 is equipped with a plurality ofly, buffer gear 3 includes sleeve 301, loop bar 302 and a spring 303, the bottom of sleeve 301 is fixed with the top of workstation 1, and sliding connection has loop bar 302 in sleeve 301, sleeve 301 and the bottom mounting with a supporting bench 2 are stretched out on the top of loop bar 302, and the loop bar 302 corresponds the position mounting between a supporting bench 2's bottom and a workstation 1 top and has a spring 303. When punching press, a supporting table 2 moves down, drives the loop bar 302 to retract into the sleeve 301, and the first spring 303 shortens gradually, so that the first spring 303 plays a role in buffering the supporting table 2 which is pressed down. A limiting shell 5 is fixed at the center of the top end of the supporting table 2, a rotating column 9 is rotatably connected to the bottom wall of the limiting shell 5, a rotating disc 6 is fixed at the top end of the rotating column 9, a plurality of lugs 7 are uniformly fixed at the outer end of the rotating disc 6 along the circumferential direction, a plurality of limiting holes 8 are formed in the outer end of each lug 7, a supporting rod 15 is slidably connected to the inner wall of the limiting shell 5 corresponding to the lugs 7, a limiting ball 14 is fixed at the inner end of the supporting rod 15, the limiting ball 14 is correspondingly clamped with the limiting holes 8, a spring II 16 is sleeved between the supporting rod 15 corresponding to the limiting ball 14 and the inner wall of the limiting shell 5, the outer end of the supporting rod 15 extends out of the limiting shell 5 and is fixed with a supporting plate 17, a recovery groove 18 is formed in the outer end of the limiting shell 5 corresponding to the position of the supporting plate 17, a worm wheel 10 penetrates and, the inner wall of worm 11 and spacing shell 5 rotates to be connected, and the front end of worm 11 is connected with motor 13, and motor 13 is fixed with the inner wall of spacing shell 5, and the outside position that the brace table 2 corresponds spacing shell 5 is equipped with outer clamping mechanism 4.

Still be equipped with two supporting shoes 12 between worm 11 and the spacing 5 inner walls of shell, and worm 11 and two supporting shoes 12 rotate to be connected, and the bottom of two supporting shoes 12 all is fixed with the diapire of spacing shell 5.

The working principle in the embodiment is as follows:

the casing of the gasoline pump is sleeved on the limiting casing 5, the motor 13 is started to drive the worm 11 fixed at the output end of the motor 13 through the shaft coupling to rotate, the worm 11 connected with the top end of the supporting platform 2 rotates to drive the worm wheel 10 meshed with the worm 11 to rotate, so as to drive the rotating column 9 fixed through the worm wheel 10 to rotate, the rotating column 9 connected with the top end of the supporting platform 2 rotates to drive the rotating disc 6 fixed at the top end of the rotating column 9 to rotate, so as to drive the lug 7 fixed at the outer end of the rotating disc 6 to rotate, the lug 7 slowly extrudes the limiting ball 14, as the support rod 15 is connected with the limiting casing 5 in a sliding way, the support rod 15 fixed with the limiting ball 14 is driven to move outwards along the limiting casing 5, so as to drive the support plate 17 fixed at the outer end of the support rod 15 to move outwards and tightly support the inner wall of the gasoline pump casing, and avoid, the assembly quality of the gasoline pump is improved, then, the parts are placed in the position corresponding to the casing of the gasoline pump, and the device is moved to an external stamping device to complete stamping, so that the assembly of the gasoline pump is realized.

Example two

On the basis of embodiment one, outer clamping mechanism 4 is equipped with a plurality ofly, outer clamping mechanism 4 is including rotating the outer splint 402 of connecting in a supporting bench 2 top, one side of outer splint 402 bottom is fixed with slide bar 404, supporting bench 2 has seted up spout 403 corresponding to the position of slide bar 404, slide bar 404 sliding connection is in spout 403, and the bottom of slide bar 404 stretches out the bottom of spout 403 and is fixed with connecting rod 406, connecting rod 406 rotates and is connected with hydraulic stem 405, the one end that connecting rod 406 was kept away from to hydraulic stem 405 is passed through dead lever 407 and is connected with the inner wall rotation of spacing shell 5. The inner end of the outer clamping plate 402 and the outer end of the supporting plate 17 are both fixed with soft pads, so that abrasion to the pump shell of the gasoline pump is avoided. A rotating rod 401 is further arranged between the support platform 2 and the outer clamping plate 402, the top end of the rotating rod 401 is fixed with the bottom end of the outer clamping plate 402, and the bottom end of the rotating rod 401 is rotatably connected with the top end of the support platform 2. The top end of the fixed rod 407 is fixed with the top wall of the limiting shell 5, and the fixed rod 407 is rotatably connected with one end of the hydraulic rod 405 far away from the connecting rod 406.

Start a plurality of hydraulic stems 405 simultaneously, hydraulic stem 405 shortens gradually, drive the connecting rod 406 inward shifting of being connected with hydraulic stem 405 rotation, then drive slide bar 404 fixed with connecting rod 406 top and follow spout 403 direction inward shifting, thereby drive and use bull stick 401 as the center pin rotation with the fixed backup pad 402 in slide bar 404 top, realize a plurality of backup pads 402 while inward shifting, a plurality of backup pads 402 press from both sides the outer end of petrol pump shell, the realization is supported tightly and is pressed from both sides the outer end to petrol pump shell inner wall simultaneously, further improve stability when the punching press.

The electrical components appearing in the application are all electrically connected with an external main controller and 220V mains supply, and the main controller can be a computer or other conventional known devices for playing a role in control.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a gasoline pump sectional fixture who conveniently changes, includes workstation (1), its characterized in that: the top end of the workbench (1) is provided with a supporting table (2) through a buffer mechanism (3), the top end center of the supporting table (2) is fixed with a limiting shell (5), the bottom wall of the limiting shell (5) is connected with a rotating column (9) in a rotating mode, the top end of the rotating column (9) is fixed with a rotating disc (6), the outer end of the rotating disc (6) is uniformly fixed with a plurality of convex blocks (7) along the circumferential direction, the outer end of each convex block (7) is provided with a plurality of limiting holes (8), the inner wall of the limiting shell (5) is connected with a supporting rod (15) in a sliding mode corresponding to the convex blocks (7), the inner end of the supporting rod (15) is fixed with a limiting ball body (14), the limiting ball body (14) and the limiting holes (8) are correspondingly clamped, and the supporting rod (15) is sleeved with a second spring (16) between the inner walls of the limiting, and the outer end of bracing piece (15) stretches out spacing shell (5) and is fixed with backup pad (17), accumulator (18) have been seted up to the position that the outer end of spacing shell (5) corresponds backup pad (17), the downside position that rotation post (9) correspond rolling disc (6) runs through and is fixed with worm wheel (10), the outer end meshing of worm wheel (10) has worm (11), the inner wall of worm (11) and spacing shell (5) rotates to be connected, and the front end of worm (11) is connected with motor (13), motor (13) are fixed with the inner wall of spacing shell (5), the outside position that brace table (2) correspond spacing shell (5) is equipped with outer clamping mechanism (4).

2. The gasoline pump assembling jig convenient to replace according to claim 1, wherein: buffer gear (3) are equipped with a plurality ofly, buffer gear (3) include sleeve (301), loop bar (302) and spring (303), the bottom of sleeve (301) is fixed with the top of workstation (1), and sliding connection has loop bar (302) in sleeve (301), the top of loop bar (302) stretch out sleeve (301) and with the bottom mounting of propping up supporting bench (2), and loop bar (302) correspond the bottom of propping up supporting bench (2) and the position mounting between workstation (1) top has spring (303).

3. The gasoline pump assembling jig convenient to replace according to claim 1, wherein: still be equipped with two supporting shoe (12) between worm (11) and spacing shell (5) inner wall, and worm (11) and two supporting shoe (12) rotate to be connected, two the bottom of supporting shoe (12) all is fixed with the diapire of spacing shell (5).

4. The gasoline pump assembling jig convenient to replace according to claim 1, wherein: outer clamping mechanism (4) are equipped with a plurality ofly, outer clamping mechanism (4) are including rotating outer splint (402) of connecting in brace table (2) top, one side of outer splint (402) bottom is fixed with slide bar (404), spout (403) have been seted up to brace table (2) position that corresponds slide bar (404), slide bar (404) sliding connection is in spout (403), and the bottom of slide bar (404) stretches out the bottom of spout (403) and is fixed with connecting rod (406), connecting rod (406) rotate and are connected with hydraulic stem (405), the one end that connecting rod (406) were kept away from in hydraulic stem (405) is passed through dead lever (407) and is connected with the inner wall rotation of spacing shell (5).

5. The gasoline pump assembling jig convenient to replace according to claim 4, wherein: soft cushions are fixed at the inner end of the outer clamping plate (402) and the outer end of the supporting plate (17).

6. The gasoline pump assembling jig convenient to replace according to claim 4, wherein: still be equipped with bull stick (401) between supporting bench (2) and outer splint (402), the top of bull stick (401) and the bottom mounting of outer splint (402), and the bottom of bull stick (401) is connected with the top rotation of supporting bench (2).

7. The gasoline pump assembling jig convenient to replace according to claim 4, wherein: the top end of the fixed rod (407) is fixed with the top wall of the limiting shell (5), and the fixed rod (407) is rotatably connected with one end, far away from the connecting rod (406), of the hydraulic rod (405).