CN211418815U

CN211418815U - Template clamping and positioning device

Info

Publication number: CN211418815U
Application number: CN201922387604.7U
Authority: CN
Inventors: 高志田; 高磊; 徐世娜; 桑飞星; 李红功
Original assignee: Double Star Luohe Zhongyuan Machinery Co ltd
Current assignee: Double Star Luohe Zhongyuan Machinery Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-09-04
Anticipated expiration: 2029-12-26

Abstract

The utility model provides a template clamping and positioning device, which belongs to the field of clamps, is arranged below a roller way for conveying templates together with a pushing mechanism, and comprises a clamping claw, a clamping claw fixing seat and a driving component for driving the clamping claw to rotate; the clamping claw comprises a first clamping part and a second clamping part which is arranged symmetrically with the first clamping part; the driving assembly comprises a driving oil cylinder, a connecting rod shaft connected with a cylinder rod of the driving oil cylinder, a driving gear sleeved outside the connecting rod shaft and a driven gear meshed with the driving gear; the first clamping part is connected with the driving gear through a connecting rod shaft, and the second clamping part is connected with the driven gear through a driven shaft; two mounting holes are formed in the clamping claw fixing seat, bearings are arranged in the mounting holes, and the connecting rod shaft and the driven shaft are respectively arranged in the two bearings in a penetrating mode. The utility model overcomes the technical problem that current clamping device area is big has the characteristics that it is accurate, simple structure, area are little to step up the location.

Description

Template clamping and positioning device

Technical Field

The utility model belongs to the anchor clamps field especially relates to a template clamping positioner.

Background

The accuracy that the template was carried in automatic casting production line is very important, and the positioner of template is the key, and general template positioner adopts four-bar linkage structure or tongue and groove structure location, and this kind of positioner can't automatic centering location, or template walking error is too big, can't fix a position, causes that the later process can't go on.

Chinese patent CN 205703390U discloses a hinge oil cylinder type clutch housing fixture, including the anchor clamps bottom plate, evenly be equipped with two at least clamping structure on the anchor clamps bottom plate, clamping structure includes the hydro-cylinder, the extension board of setting on the hydro-cylinder, be equipped with the clamp plate on the extension board, the extension board passes through hinge pin connection on the hydro-cylinder, the clamp plate passes through the rotation axis and connects on the extension board and the piston hub connection of hydro-cylinder is at the outside end of clamp plate, the clamp plate uses the rotation axis to rotate as the center under the effect of hydro-cylinder, still be equipped with work piece locating pin subassembly and work piece bed hedgehopping piece on the anchor clamps bottom plate, the work piece locating pin subassembly is including fixing the locating pin seat of anchor clamps bottom plate and setting up the locating pin post on the locating pin seat. This simple structure, simple operation, realization that can be effective and quick is fixed the centre gripping of clutch housing, has improved the stability and the centre gripping efficiency of centre gripping greatly, and the stability in use is good, and the suitability is strong and the practicality is good.

However, the clamping device has the defects that the clamping structure cannot be horizontally placed and arranged, so that the pushing mechanisms for pushing the template to move forward can only be arranged at two ends of a roller way for conveying the template, and the occupied area is large.

Disclosure of Invention

The utility model provides a main problem overcome current clamping device because clamping structure can not keep flat and layout defect leads to the technical problem that area is big, provides one kind and has not influenced template or pushing mechanism and pass through, step up the accurate, simple structure, the little template of area of location and press from both sides tight positioner.

In order to achieve the above object, the utility model discloses a technical scheme be:

the utility model provides a template clamping and positioning device, which is arranged below a roller way for conveying templates together with a pushing mechanism, and comprises a clamping claw, a clamping claw fixing seat and a driving component for driving the clamping claw to rotate;

the clamping claw comprises a first clamping part and a second clamping part which is arranged symmetrically to the first clamping part;

the driving assembly comprises a driving oil cylinder, a connecting rod shaft connected with a cylinder rod of the driving oil cylinder, a driving gear sleeved outside the connecting rod shaft and a driven gear meshed with the driving gear;

the first clamping part is connected with the driving gear through the connecting rod shaft, and the second clamping part is connected with the driven gear through the driven shaft;

two mounting holes are formed in the clamping claw fixing seat, bearings are arranged in the mounting holes, and the connecting rod shaft and the driven shaft are respectively arranged in the two bearings in a penetrating mode.

Preferably, the connecting rod shaft is connected with a cylinder rod of the driving oil cylinder through a pin shaft hinge.

Preferably, the link shaft connects the driving gear to the first clamping portion by a key, and the driven shaft connects the driven gear to the second clamping portion by a key.

Preferably, the device further comprises a driving oil cylinder fixing seat used for fixing the driving oil cylinder.

Preferably, the clamping jaw is a crank arm made of a steel plate.

Compared with the prior art, the utility model discloses an advantage and beneficial effect lie in:

the utility model provides a template clamping and positioning device has that area is little, step up the characteristics of location accuracy, simple structure.

Drawings

Fig. 1 is a layout schematic view of the template clamping and positioning device of the present invention, wherein a is a schematic view of a clamping state of a clamping jaw, and b is a schematic view of a loosening state of the clamping jaw;

fig. 2 is a schematic structural view of the template clamping and positioning device of the present invention, wherein c is a schematic view of a clamping state of the clamping jaw, and d is a schematic view of a loosening state of the clamping jaw;

fig. 3 is a perspective view of the template clamping and positioning device of the present invention;

in the above figures: 1. a template clamping and positioning device; 11. a clamping jaw; 111. a first clamping portion; 112. a second clamping portion; 12. a clamping jaw fixing seat; 13. a driving oil cylinder; 14. a link shaft; 15. a driving gear; 16. a driven gear; 17. a driven shaft; 18. a pin shaft; 19. a driving oil cylinder fixing seat; 2. a pushing mechanism; 3. and (4) a template.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it should be understood that the terms "upper", "lower", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 1, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b): as shown in fig. 1, 2 and 3, the present embodiment provides a template clamping and positioning device 1, which is disposed below a roller way for conveying templates 3 together with a pushing mechanism 2, and includes a clamping claw 11, a clamping claw fixing seat 12, and a driving assembly for driving the clamping claw 11 to rotate; the clamping claw 11 includes a first clamping portion 111, and a second clamping portion 112 disposed symmetrically to the first clamping portion 111; the driving assembly comprises a driving oil cylinder 13, a connecting rod shaft 14 connected with a cylinder rod of the driving oil cylinder 13, a driving gear 15 sleeved outside the connecting rod shaft 14 and a driven gear 16 meshed with the driving gear 15; the first clamping portion 111 is connected with the driving gear 15 through the connecting rod shaft 14, and the second clamping portion 112 is connected with the driven gear 16 through the driven shaft 17; two mounting holes are formed in the clamping jaw fixing seat 12, bearings are arranged in the mounting holes, and the connecting rod shaft 14 and the driven shaft 17 are respectively arranged in the two bearings in a penetrating mode. The first clamping part 111 and the second clamping part 112 of the clamping claw 11 of the template clamping and positioning device 1 can realize 90-degree rotation, and when the clamping claw 11 is in a loosening state, the passing of the template 3 or the pushing mechanism 2 is not influenced, so that the pushing mechanism 2 can be placed below a roller way, and the floor area is reduced; in addition, the device is driven by a single driving oil cylinder 13, and the clamping claws 11 act synchronously, so that the accuracy of clamping and positioning is improved, and the structure of the clamping and positioning device is simplified.

Further, the link shaft 14 is hinge-connected to the rod of the drive cylinder 13 by a pin 18.

In order to synchronize the fixing and torque transmission, the link shaft 14 connects the driving gear 15 to the first clamping portion 111 by a key, and the driven shaft 17 connects the driven gear 16 to the second clamping portion 112 by a key.

In order to ensure the stability of the device, the device also comprises a driving oil cylinder fixing seat 19 for fixing the driving oil cylinder 13.

In order to increase the stability of the clamping process, the clamping jaws 11 are crank arms made of steel plate.

The working process of the template clamping and positioning device 1 is as follows:

the template 3 is conveyed to the upper part of the clamping and positioning device, the cylinder rod of the oil cylinder 13 is driven to extend out, under the action of the thrust of the cylinder rod, the connecting rod shaft 14, the driving gear 15 and the first clamping part 111 perform fixed-axis rotary motion, meanwhile, the driven gear 16 and the second clamping part 112 perform reverse fixed-axis rotary motion under the action of the driving gear 15, if the longitudinal beam of the template 3 is not in the center position, the longitudinal beam of the template 3 can be positioned in the center position under the action of the clamping claw 11, and clamping and positioning are realized; when the cylinder rod of the driving cylinder 13 is contracted, under the action of the pulling force of the cylinder rod, the connecting rod shaft 14, the driving gear 15 and the first clamping part 111 perform fixed-axis rotary motion, meanwhile, the driven gear 16 and the second clamping part 112 perform reverse fixed-axis rotary motion under the action of the driving gear 15, and the clamping claw 11 is loosened and rotated to be in a horizontal state.

Claims

1. The utility model provides a template presss from both sides tight positioner (1), locates jointly with push mechanism (2) and is used for carrying the roll table below of template (3), its characterized in that: the clamping device comprises a clamping claw (11), a clamping claw fixing seat (12) and a driving assembly for driving the clamping claw (11) to rotate;

the clamping jaw (11) comprises a first clamping part (111) and a second clamping part (112) which is arranged symmetrically to the first clamping part (111);

the driving assembly comprises a driving oil cylinder (13), a connecting rod shaft (14) connected with a cylinder rod of the driving oil cylinder (13), a driving gear (15) sleeved outside the connecting rod shaft (14), and a driven gear (16) meshed with the driving gear (15);

the first clamping part (111) is connected with the driving gear (15) through the connecting rod shaft (14), and the second clamping part (112) is connected with the driven gear (16) through a driven shaft (17);

two mounting holes are formed in the clamping claw fixing seat (12), bearings are arranged in the mounting holes, and the connecting rod shaft (14) and the driven shaft (17) penetrate through the two bearings respectively.

2. Template clamping and positioning device (1) according to claim 1, characterized in that: the connecting rod shaft (14) is hinged with a cylinder rod of the driving oil cylinder (13) through a pin shaft (18).

3. Template clamping and positioning device (1) according to claim 1, characterized in that: the link shaft (14) connects the drive gear (15) and the first clamping portion (111) by a key, and the driven shaft (17) connects the driven gear (16) and the second clamping portion (112) by a key.

4. Template clamping and positioning device (1) according to claim 1, characterized in that: the device also comprises a driving oil cylinder fixing seat (19) used for fixing the driving oil cylinder (13).

5. Template clamping and positioning device (1) according to claim 1, characterized in that: the clamping claw (11) is a crank arm made of a steel plate.