CN220575704U

CN220575704U - Hold-down mechanism for trial-manufacture clamp

Info

Publication number: CN220575704U
Application number: CN202322204818.2U
Authority: CN
Inventors: 张启龙; 田占宇; 周利柏
Original assignee: Shanghai Haike Ruihua Machinery Technology Co ltd
Current assignee: Shanghai Haike Ruihua Machinery Technology Co ltd
Priority date: 2023-08-16
Filing date: 2023-08-16
Publication date: 2024-03-12
Anticipated expiration: 2033-08-16

Abstract

The utility model discloses a pressing mechanism for a trial-manufacture clamp, which comprises a support plate, wherein a spring part is fixed at one end of the bottom wall of the support plate, a splice plate is fixed on the side wall of the support plate far away from the spring part, a support rod is arranged on the inner side of the splice plate in a sliding manner, a groove is formed in one side, close to the side wall of the support plate, of a first limiting block, a limiting block is fixed on the inner side of the groove, a hollow groove is formed in the penetrating mode of the limiting block, a first limiting rod is fixed on the side wall of the hollow groove, a fixed frame is arranged on the outer side wall of the support plate, close to the side wall of the limiting block, of the fixed frame, and a second limiting rod is arranged on one side of the fixed frame. According to the utility model, the supporting rods movably connected to the inner sides of the splice plates are matched with one side of the supporting plate, so that the fixing structure is contacted with the top end and the bottom end of the die, the conventional mode of fixing the upper and lower positions of the die by using weights is broken, the die can move together with the fixing structure, the problem of vertical separation in the moving process of the die is solved, and the use yield of the die is ensured.

Description

Hold-down mechanism for trial-manufacture clamp

Technical Field

The utility model relates to the technical field of control devices, in particular to a pressing mechanism for a trial-manufacture clamp.

Background

The fixture is a device for fixing a processing object in a mechanical manufacturing process so as to occupy a correct position for receiving construction or detection, and is also called a fixture in a broad sense, and a device for rapidly, conveniently and safely installing a workpiece in any process in the technical process can be called a fixture.

The hold-down mechanism that uses can directly support the anchor clamps from top to bottom, and the anchor clamps that support the back can be closed inseparabler, avoid the product surface distribution bubble in the mould, generally, in order to save the cost, when the mould cooling shaping, adopt place the heavy object at the top of mould, let the upper and lower distribution of mould inseparabler, but after the heavy object has been placed at the top of mould, just can not move the mould at will, in this way probably changes the mould clearance that keeps originally to influence the mould shaping.

It is therefore desirable to provide a hold-down mechanism for a trial-and-error fixture.

Disclosure of Invention

The utility model aims to provide a pressing mechanism for a trial-manufacture clamp, which aims to solve the problems that in the prior art, when a mold is cooled and molded, a weight is placed at the top end of the mold, so that the mold is distributed more tightly up and down, but after the weight is placed at the top end of the mold, the mold cannot be moved at will, and thus the originally maintained mold gap can be changed, and the molding of the mold is affected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the pressing mechanism for the trial production clamp comprises a supporting plate, wherein a spring piece is fixed at one end of the bottom wall of the supporting plate, a splice plate is fixed on the side wall of the supporting plate far away from the spring piece, a supporting rod slides on the inner side of the splice plate, and a limiting block is arranged on one side of the supporting rod;

the first limiting block is provided with a groove at one side close to the side wall of the supporting plate, the limiting block is provided with a hollow groove in a penetrating mode, the side wall of the hollow groove is fixedly provided with a first limiting rod, the side wall of the outer side wall of the supporting plate close to the side wall of the limiting block is provided with a fixed frame, and one side of the fixed frame is provided with a second limiting rod;

the bottom end of the second limiting rod is provided with a rectangular groove, and the width of the inner side of the rectangular groove is equal to that of the inner side of the hollowed-out groove;

the inner side of the rectangular groove is propped against the inner side of the first limiting rod.

Optionally, splice plates are fixed at equal intervals on the top end of the supporting plate;

the splice plate is made of rubber, and the splice plate is used for propping against the top of the die.

Optionally, a splicing rod is fixed at the bottom end of the supporting rod;

the inner diameter of the splicing rod is the same as that of the supporting rod.

Optionally, a cross beam is fixed on the bottom wall of the spring member, and one end of the cross beam, which is far away from the spring member, is fixedly connected with the outer side wall of the splicing rod.

Optionally, a groove body is arranged in the fixed frame, and a rotating rod is arranged on the inner side wall of the groove body;

the both ends of dwang with the inside wall of cell body is the rotation and connects.

Optionally, a linkage block is fixed in the middle of the outer side of the rotating rod, and the side wall of one side of the linkage block is fixedly connected with one end of the second limiting rod;

the linkage block drives the limiting rod to rotate downwards at 45 degrees.

Optionally, the outer side wall of the supporting rod is matched with the inner side diameter of the splice plate, and the supporting rod slides up and down on the inner side of the splice plate;

the top end and the bottom end of the outer side of the supporting rod are respectively fixed with a first limiting ring and a second limiting ring;

the diameter of the first limiting ring and the diameter of the second limiting ring are larger than that of the splice plate, and the top ends of the first limiting ring and the second limiting ring are respectively propped against the bottom ends of the splice plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. the supporting rods movably connected to the inner sides of the splice plates are matched with one side of the supporting plate, so that the fixing structure is contacted with the top end and the bottom end of the die, the conventional mode of fixing the upper and lower positions of the die by using weights is broken, the die can move together with the fixing structure, the problem of vertical separation in the moving process of the die is solved, and the use yield of the die is ensured;

2. the limiting block arranged on one side of the supporting rod is matched with the limiting rod at one end of the fixed frame, so that the supporting rod is clamped at the inner side of the splice plate, the clamping mode is convenient, two supporting plates which are symmetrically arranged up and down can be saved, the fixing efficiency is saved, and the practicability of the fixing structure is improved;

3. through the spring piece that sets up in the one end of backup pad bottom, spring piece auxiliary stay pole drives two backup pads and tightens up, and the tightening force that utilizes the spring to bring continuously provides the pulling force to balanced pulling force, the compactness of mould about the continuous assurance.

Drawings

FIG. 1 is a schematic side view of the present utility model;

FIG. 2 is a schematic perspective view of the preferred embodiment of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2 according to the present utility model;

FIG. 4 is a schematic view of a partial enlarged structure of the support rod according to the present utility model;

fig. 5 is a schematic perspective view of a fixing frame according to the present utility model.

In the figure: 1. a support plate; 2. a spring member; 3. a cross beam; 4. a support rod; 5. splice plates; 6. a limiting block; 61. a hollow groove; 62. a limit rod; 7. a limit rod; 71. rectangular grooves; 8. a fixed frame; 81. a rotating lever; 82. a linkage block; 9. splicing the connecting rods; 10. a groove; 11. a first limiting ring; 12. and a second limiting ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the utility model provides a hold-down mechanism that test fixture used, including backup pad 1, the one end of backup pad 1 diapire is fixed with spring 2, be fixed with splice plate 5 on the lateral wall that spring 2 was kept away from to backup pad 1, splice plate 5's inboard slip has bracing piece 4, bracing piece 4's lateral wall and splice plate 5's inboard diameter coincide, bracing piece 4 slides from top to bottom in splice plate 5's inboard, the top and the bottom in bracing piece 4 outside are fixed with spacing ring one 11 and spacing ring two 12 respectively, spacing ring one 11 and spacing ring two 12's diameter is greater than splice plate 5's diameter, spacing ring one 11 bottom and spacing ring two 12's top respectively with splice plate 5's and bottom counterbalance, what further can be explained is, when bracing piece 4 slides from top to bottom in splice plate 5's inboard, utilize spacing ring one 11 and spacing ring two 12 that top and bottom set up in the outside of bracing piece 4 and bottom, can avoid bracing piece 4 to slide out from splice plate 5's inside, the whole structure that just is an organic whole like this, the structure that does not have the scattered needs to assemble, loss of part, bracing piece 4 when the inboard slip to top 5, limit splice plate 5's top and the top at the position when splice plate 5 is in the side of splice plate 4, thereby limiting the top of limiting position when splice plate 4 is in the side 5.

One side of bracing piece 4 is equipped with stopper 6, one side that stopper 6 is close to backup pad 1 lateral wall sets up recess 10, stopper 6 runs through and is provided with fretwork groove 61, be fixed with spacing pole one 62 on the fretwork groove 61 lateral wall, backup pad 1 lateral wall is close to stopper 6 lateral wall and is equipped with fixed frame 8, fixed frame 8 inside is provided with and the cell body, be equipped with dwang 81 on the inside wall of cell body, the both ends of dwang 81 are rotatory with the inside wall of cell body and are connected, the intermediate position outside dwang 81 is fixed with linkage piece 82, one end fixed connection with spacing pole two 7 on the lateral wall of linkage piece 82 one side, linkage piece 82 drives spacing pole two 7 and is 45 rotation downwards, it can be further stated that, when bracing piece 4 slides about the inboard of splice plate 5, fixed frame 8 is close to stopper 6 through the slip of bracing piece 4 this moment, the inboard rectangular groove 71 of spacing pole two 7 contacts with the people inboard of stopper 6, the supplementary realization spacing.

One side of the fixed frame 8 is provided with a second limiting rod 7, the bottom end of the second limiting rod 7 is provided with a rectangular groove 71, the width of the inner side of the rectangular groove 71 is equal to that of the hollow groove 61, the inner side of the rectangular groove 71 is propped against the inner side of the first limiting rod 62, after the rectangular groove 71 is meshed with the first limiting rod 62, the rectangular groove 71 and the first limiting rod 62 limit the position of the supporting rod 4 sliding up and down on the inner side of the splice plate 5, and because the bottom end of the splice rod 9 is fixedly connected with one end of the cross beam 3 and the spring element 2, the tension generated by the spring element 2 is indirectly equal to the limit, thus the tension limit of the spring element 2 is completed, the spring element 2 is prevented from being too large to be opened, and the clamping between the top and the bottom of the die cannot be realized.

The top equidistant splice plates 5 that are fixed with of backup pad 1, splice plates 5 set up to the rubber material, and splice plates 5 are used for with the top of mould offset, further can be stated, can utilize the material of splice plates 5 to increase in the frictional property of mould, alright so avoid breaking away from between device and the mould as far as possible.

The bottom end fixing of bracing piece 4 has splice rod 9, and splice rod 9 internal diameter is the same with the internal diameter of bracing piece 4, is fixed with crossbeam 3 on the spring piece 2 diapire, and the one end that spring piece 2 was kept away from to crossbeam 3 and splice rod 9 lateral wall fixed connection, when using, utilize the pressure that spring piece 2 produced to stimulate the interval between mirror image backup pad 1, the mould of centre gripping between two backup pads 1 to the realization is kept powerful centre gripping all the time to let the mould, avoids producing the gap between the mould, thereby guarantees the yield.

Working principle: the spacing between two backup pads 1 is limited at first, when bracing piece 4 slides from top to bottom in the inboard of splice plate 5, utilize spacing ring one 11 and spacing ring two 12 that bracing piece 4 outside top and bottom set up, can avoid bracing piece 4 to slide out from the inboard of splice plate 5, the whole structure that is just an organic whole of device like this, there is not scattered structure that needs to assemble, can avoid the loss of part, simultaneously bracing piece 4 slides in the inboard of splice plate 5 to the top, the top of spacing ring two 12 offsets with the bottom of splice plate 5 and carries out spacing, when bracing piece 4 slides in the inboard of splice plate 5 to the top, utilize the bottom of spacing ring one 11 to offset with the lateral wall of splice plate 5, thereby limit bracing piece 4 in splice plate 5 inboard gliding position, when bracing piece 4 slides in the inboard of splice plate 5 from top to bottom, fixed frame 8 is close to stopper 6 through the slip of bracing piece 4 this moment, the inboard rectangular groove 71 of in-process spacing lever two 7 and the inboard of stopper 6 contact, the auxiliary realization spacing, utilize the pressure that spring member 2 produced to pull spacing between backup pad 1, and can avoid the friction between two backup pads 1 and the die 5 to break away from the fixed device as far as possible, and the die, can be avoided and the friction between the die is fixed to the die is accomplished.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a hold-down mechanism that prefabricated anchor clamps were used, includes backup pad (1), its characterized in that: one end of the bottom wall of the supporting plate (1) is fixed with a spring piece (2), a splice plate (5) is fixed on the side wall of the supporting plate (1) far away from the spring piece (2), a supporting rod (4) is slid on the inner side of the splice plate (5), and a limiting block (6) is arranged on one side of the supporting rod (4);

a groove (10) is formed in one side, close to the side wall of the supporting plate (1), of the limiting block (6), a hollowed-out groove (61) is formed in the limiting block (6) in a penetrating mode, a first limiting rod (62) is fixed on the side wall of the hollowed-out groove (61), a fixed frame (8) is arranged on the outer side wall, close to the side wall of the limiting block (6), of the supporting plate (1), and a second limiting rod (7) is arranged on one side of the fixed frame (8);

a rectangular groove (71) is formed in the bottom end of the second limiting rod (7), and the inner side width of the rectangular groove (71) is equal to the inner side of the hollowed-out groove (61);

the inner side of the rectangular groove (71) is propped against the inner side of the first limiting rod (62).

2. The hold-down mechanism for a pre-manufactured fixture of claim 1, wherein: splice plates (5) are fixed at equal intervals at the top end of the supporting plate (1);

the splice plate (5) is made of rubber, and the splice plate (5) is used for propping against the top of the die.

3. The hold-down mechanism for a pre-manufactured fixture of claim 1, wherein: a splicing rod (9) is fixed at the bottom end of the supporting rod (4);

the inner diameter of the splicing rod (9) is the same as that of the supporting rod (4).

4. A hold-down mechanism for a pre-manufactured fixture as defined in claim 3, wherein: the bottom wall of the spring piece (2) is fixedly provided with a cross beam (3), and one end, far away from the spring piece (2), of the cross beam (3) is fixedly connected with the outer side wall of the splicing rod (9).

5. The hold-down mechanism for a pre-manufactured fixture of claim 1, wherein: the fixed frame (8) is internally provided with a groove body, and the inner side wall of the groove body is provided with a rotating rod (81);

the two ends of the rotating rod (81) are rotatably connected with the inner side wall of the groove body.

6. The hold-down mechanism for a pre-manufactured fixture as defined in claim 5, wherein: a linkage block (82) is fixed in the middle of the outer side of the rotating rod (81), and one side wall of one side of the linkage block (82) is fixedly connected with one end of the second limiting rod (7);

the linkage block (82) drives the second limiting rod (7) to rotate downwards at 45 degrees.

7. The hold-down mechanism for a pre-manufactured fixture of claim 1, wherein: the outer side wall of the supporting rod (4) is matched with the inner side diameter of the splice plate (5), and the supporting rod (4) slides up and down on the inner side of the splice plate (5);

the top end and the bottom end of the outer side of the supporting rod (4) are respectively fixed with a first limiting ring (11) and a second limiting ring (12);

the diameter of the first limiting ring (11) and the diameter of the second limiting ring (12) are larger than that of the splice plate (5), and the top ends of the first limiting ring (11) and the second limiting ring (12) are respectively propped against the bottom ends of the splice plate (5).