CN218284630U

CN218284630U - Positioning fixture for clamping precision casting

Info

Publication number: CN218284630U
Application number: CN202222709044.4U
Authority: CN
Inventors: 付明
Original assignee: Chengdu Caster Precision Casting Co ltd
Current assignee: Chengdu Caster Precision Casting Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-01-13
Anticipated expiration: 2032-10-14

Abstract

The utility model discloses a positioning fixture for precision casting clamping belongs to precision casting processing technology field, the on-line screen storage device comprises a base, the both sides at base top all fixed mounting have a supporting baseplate, rotate between the supporting baseplate and install the cross arm, the bottom fixed mounting of cross arm has elevating system, elevating system's bottom butt joint is installed and is cooperated the clamping structure who uses, movable mounting has the regulation formula wabbler mechanism of being connected with the cross arm rotation on the base in the supporting baseplate outside, the both sides of cross arm all rotate the rotation axostylus axostyle of installing and running through supporting baseplate and regulation formula wabbler mechanism. This application technical scheme makes anchor clamps not only can carry out basic centre gripping operation through the regulation formula wabbler mechanism who sets up in the supporting substrate outside, can overturn the article of centre gripping again simultaneously, makes the foundry goods of centre gripping reach established position, avoids outside regulation to remove to also can adjust the processing position of foundry goods through the mode of upset.

Description

Positioning fixture for clamping precision casting

Technical Field

The utility model relates to a precision casting processing technology field, more specifically say, relate to a positioning fixture for precision casting clamping.

Background

Precision casting refers to the general term of a process for obtaining a casting with precise dimensions. Compared with the traditional sand casting process, the casting obtained by precision casting has more accurate size and better surface smoothness. It includes: investment casting, ceramic casting, metal casting, pressure casting and lost foam casting, wherein during the processing of the casting, the casting needs to be clamped by a corresponding clamp.

The patent document with the prior art publication number of CN214162159U provides a positioning fixture for clamping a precision casting, which comprises a base, wherein a vertical pressing mechanism and a transverse pressing mechanism are arranged on the base; the vertical pressing mechanism presses the upper end face and the lower end face of the part to be processed to limit the vertical movement of the part to be processed; the transverse pressing mechanism abuts against the end part of the part to be machined and is used for limiting the transverse movement of the part to be machined, the transverse pressing mechanism acts on the upper end face and the lower end face of the precision casting piece, and the precision casting piece is vertically pressed, so that the vertical movement of the precision casting piece during machining is limited. But the holistic operating performance of the device and most of these kind of positioning fixture on the market is comparatively single, unable better satisfy the positioning fixture and be used for the operation demand of smart foundry goods clamping period, though can solve in prior art CN214162159U in the machining process, horizontal or vertical aversion takes place easily for the part, thereby need adopt the lathe to carry out a lot of clamping, the accumulation that leads to the clamping error easily causes the problem that the part is super poor, but overall structure is comparatively fixed, the flexibility is not enough, the inconvenient regulation operation that promotes the upset nature to the foundry goods during the operation. In view of this, we propose a positioning jig for clamping of the precision casting.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a positioning fixture for smart foundry goods clamping to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

A positioning fixture for smart foundry goods clamping, the on-line screen storage device comprises a base, the both sides at base top all fixed mounting have a supporting baseplate, rotate between the supporting baseplate and install the cross arm, the bottom fixed mounting of cross arm has elevating system, elevating system's bottom butt joint is installed the clamping structure that the cooperation was used, movable mounting has the regulation formula wabbler mechanism of being connected with the cross arm rotation on the base in the supporting baseplate outside, the both sides of cross arm all rotate and install the rotation axostylus axostyle that runs through supporting baseplate and regulation formula wabbler mechanism.

As an alternative scheme of this application technical scheme, the front of base is provided with the notch, the bottom fixed mounting of base has the supporting legs.

As an alternative of this application technical scheme, regulation formula wabbler mechanism includes first telescopic hydraulic cylinder, movable mounting seat, rocking arm, the rocking arm of being connected with the cross arm is all installed in the outside of supporting baseplate rotation, first telescopic hydraulic cylinder with rocking arm erection joint is installed at the top of base, and through movable mounting seat swing joint between first telescopic hydraulic cylinder and base and the rocking arm.

As an alternative of this application technical scheme, elevating system includes mounting base, the telescopic pneumatic cylinder of second, links up the fishplate bar, elevating system's bottom fixed mounting has mounting base, mounting base's bottom fixed mounting has the linking board, the four corners at linking board top all fixed mounting have with the telescopic pneumatic cylinder of clamping structure erection joint's second.

As an alternative of this application technical scheme, clamping structure is including installation cavity, built-in groove, relative formula screw thread adjusting rod, grip block, elevating system's bottom fixed mounting has the installation cavity, and the bottom of installing the cavity is provided with built-in groove, the relative formula screw thread adjusting rod that extends to built-in inslot is installed in the outside rotation of installation cavity, the cover is equipped with the grip block of mutually supporting on the relative formula screw thread adjusting rod.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. this application technical scheme makes anchor clamps not only can carry out basic centre gripping operation through the regulation formula wabbler mechanism that sets up in the support substrate outside, can overturn the article of centre gripping again simultaneously, makes the foundry goods of centre gripping reach established position, avoids outside regulation to remove to also can adjust the processing position of foundry goods through the mode of upset, compare in traditional anchor clamps will be more nimble.

2. This application technical scheme makes anchor clamps not only can adjust the formula centre gripping fixed through setting up elevating system and the clamping structure in the cross arm bottom, can promote the material loading to the foundry goods of required centre gripping again simultaneously, has avoided the condition of personnel's manpower transport or the supplementary transport of outside apparatus, has improved the production efficiency of anchor clamps during the operation, and the practicality is strong.

Drawings

Fig. 1 is a schematic overall internal structural view of a positioning fixture for clamping a precision casting disclosed in an embodiment of the present application;

fig. 2 is a schematic structural view of an integral appearance of the positioning fixture for clamping a precision casting disclosed in the embodiment of the present application;

FIG. 3 is a side view of the shell of the positioning fixture for clamping the precision casting, which is disclosed in the embodiment of the application;

FIG. 4 is a schematic top view of the lifting mechanism of the positioning fixture for clamping the precision casting, disclosed in the embodiment of the present application;

the reference numbers in the figures illustrate: 1. a base; 101. a recess; 102. supporting legs; 2. an adjustable swing mechanism; 201. a first telescopic hydraulic cylinder; 202. a movable mounting base; 203. a rocker arm; 3. a cross arm; 4. a lifting mechanism; 401. mounting a base; 402. a second telescopic hydraulic cylinder; 403. a connection plate; 5. supporting a substrate; 6. a clamping structure; 601. installing a cavity; 602. a built-in groove; 603. the opposite type screw thread adjusting rod; 604. and (4) clamping the block.

Detailed Description

The utility model provides a technical scheme:

as shown in fig. 1 and 2, the positioning fixture for clamping the precision casting comprises a base 1, a notch 101 is arranged on the front surface of the base 1, supporting legs 102 are fixedly arranged at the bottom of the base 1, supporting substrates 5 are fixedly arranged on both sides of the top of the base 1, and a cross arm 3 is rotatably arranged between the supporting substrates 5.

In this embodiment, during the preparation operation, the staff places the anchor clamps in suitable operation position department through base 1, and it is stable to support through supporting legs 102, and until whole is firm, during, supporting baseplate 5 realizes the bearing installation to the centre gripping subassembly through cross arm 3, and during the centre gripping operation, the staff moves the foundry goods to notch 101 earlier, carries out the preparation operation.

In some technical solutions, as shown in fig. 1, fig. 2 and fig. 4, a lifting mechanism 4 is fixedly mounted at the bottom of the cross arm 3, the lifting mechanism 4 includes a mounting base 401, a second telescopic hydraulic cylinder 402 and a connection plate 403, the mounting base 401 is fixedly mounted at the bottom of the lifting mechanism 4, the connection plate 403 is fixedly mounted at the bottom of the mounting base 401, the second telescopic hydraulic cylinder 402 which is mounted and connected with the clamping structure 6 is fixedly mounted at four corners of the top of the connection plate 403, and the clamping structure 6 which is used in cooperation is mounted at the bottom of the lifting mechanism 4 in a butt joint manner.

In this embodiment, during the operation, after the casting is moved to the notch 101, the lifting mechanism 4 is started, the second telescopic hydraulic cylinder 402 on the connecting plate 403 is started, the second telescopic hydraulic cylinder 402 performs lifting adjustment on the clamping structure 6, so that the clamping structure 6 is lowered to the casting position, the casting exiting from the notch 101 is clamped and fixed by the clamping structure 6, and then the second telescopic hydraulic cylinder 402 is started to lift the clamped casting.

In some technical solutions, the clamping structure 6 includes a mounting cavity 601, a built-in groove 602, a relative threaded adjusting rod 603, and a clamping block 604, the mounting cavity 601 is fixedly mounted at the bottom of the lifting mechanism 4, the built-in groove 602 is disposed at the bottom of the mounting cavity 601, the relative threaded adjusting rod 603 extending into the built-in groove 602 is rotatably mounted at the outer side of the mounting cavity 601, and the clamping block 604 which is matched with the relative threaded adjusting rod 603 is sleeved on the relative threaded adjusting rod 603.

In this embodiment, during the operation, the clamping structure 6 is lowered to the position of the casting, the person rotates the relative threaded adjusting rod 603 on the mounting cavity 601, and under the rotation operation of the relative threaded adjusting rod 603, the clamping blocks 604 in the built-in groove 602 are gathered and expanded, so that the adjustment is performed according to the actual size of the casting, and then the relative threaded adjusting rod 603 is adjusted and turned over, so that the casting is clamped and fixed, and the clamping operation is completed. The lifting mechanism 4 and the clamping structure 6 which are arranged at the bottom of the cross arm 3 enable the clamp to be adjusted for clamping and fixing, and meanwhile, a casting needing to be clamped can be lifted for loading, so that the condition of manual carrying of personnel or auxiliary carrying of external equipment is avoided, the production efficiency of the clamp during operation is improved, and the clamp is high in practicability.

In some technical solutions, as shown in fig. 2 and fig. 3, an adjustable swing mechanism 2 rotatably connected to a cross arm 3 is movably mounted on a base 1 outside a support substrate 5, the adjustable swing mechanism 2 includes a first telescopic hydraulic cylinder 201, a movable mounting seat 202, and a rocker arm 203, the rocker arm 203 connected to the cross arm 3 is rotatably mounted on both outside of the support substrate 5, the first telescopic hydraulic cylinder 201 rotatably connected to the rocker arm 203 is mounted on the top of the base 1, the first telescopic hydraulic cylinder 201 is movably connected to the base 1 and the rocker arm 203 through the movable mounting seat 202, and a rotating shaft penetrating through the support substrate 5 and the adjustable swing mechanism 2 is rotatably mounted on both sides of the cross arm 3.

In this embodiment, during the operation, the turning relative type threaded adjusting rod 603 is adjusted to clamp and fix the casting, after the clamping operation is completed, the adjustable swing mechanism 2 is started, the first telescopic hydraulic cylinder 201 can realize the pushing operation on the rocker arm 203 under the movable connection of the movable mounting seat 202 after being started, the cross arm 3 is driven to rotate along with the swing of the rocker arm 203, the cross arm 3 can be turned up after rotating 180 degrees, at this time, the clamping component on the cross arm 3 can also be erected, then the clamp cooperates with external operation equipment to realize the processing operation on the casting on the clamping component. The adjustable swing mechanism 2 on the outer side of the supporting base plate 5 enables the fixture to perform basic clamping operation, and simultaneously can turn over a clamped object, so that a clamped casting reaches a set position, external adjustment movement is avoided, the machining position of the casting can be adjusted in a turning mode, and the fixture is more flexible compared with a traditional fixture.

Claims

1. A positioning fixture for smart foundry goods clamping, including base (1), its characterized in that: supporting base plates (5) are fixedly arranged on two sides of the top of the base (1), a cross arm (3) is rotatably arranged between the supporting base plates (5),

the bottom of the cross arm (3) is fixedly provided with a lifting mechanism (4), and the bottom of the lifting mechanism (4) is provided with a clamping structure (6) which is matched with the lifting mechanism in a butt joint mode;

an adjusting type swing mechanism (2) which is rotationally connected with the cross arm (3) is movably mounted on the base (1) on the outer side of the supporting base plate (5).

2. The positioning fixture for clamping the precision casting according to claim 1, characterized in that: the front surface of the base (1) is provided with a notch (101), and the bottom of the base (1) is fixedly provided with a supporting leg (102).

3. The positioning fixture for clamping the precision casting according to claim 1, characterized in that: regulation formula rocking mechanism (2) include first telescopic hydraulic cylinder (201), movable mounting seat (202), rocking arm (203), the outside of supporting baseplate (5) all rotates installs rocking arm (203) of being connected with cross arm (3), first telescopic hydraulic cylinder (201) with rocking arm (203) erection joint is installed at the top of base (1), and passes through movable mounting seat (202) swing joint between first telescopic hydraulic cylinder (201) and base (1) and rocking arm (203).

4. The positioning fixture for clamping the precision casting according to claim 1, characterized in that: elevating system (4) include mounting base (401), the telescopic hydraulic cylinder of second (402), joint board (403), the bottom fixed mounting of elevating system (4) has mounting base (401), the bottom fixed mounting of mounting base (401) has joint board (403), the telescopic hydraulic cylinder of second (402) with clamping structure (6) erection joint all fixed mounting in the four corners at joint board (403) top.

5. The positioning fixture for clamping of the precision casting according to claim 1, characterized in that: clamping structure (6) are including installation cavity (601), built-in groove (602), relative formula screw thread adjusting rod (603), grip block (604), the bottom fixed mounting of elevating system (4) has installation cavity (601), and the bottom of installation cavity (601) is provided with built-in groove (602), the outside of installation cavity (601) is rotated and is installed relative formula screw thread adjusting rod (603) that extend to in built-in groove (602), relative formula screw thread adjusting rod (603) are gone up the cover and are equipped with grip block (604) of mutually supporting.

6. The positioning fixture for clamping the precision casting according to claim 1, characterized in that: both sides of the cross arm (3) are rotatably provided with a rotating shaft rod penetrating through the supporting base plate (5) and the adjusting type swing mechanism (2).