CN222958398U - Forward type fork truck front-shifting frame location splicing apparatus - Google Patents

Abstract

The technical scheme of the utility model discloses a positioning and splicing device for a front moving frame of a front moving fork truck, which comprises a clamp body, a first positioning shaft, a second positioning shaft and a third positioning shaft, a front clamping plate, a rear clamping plate, a lower clamping plate and a lower clamping plate, wherein the front end plate and the rear end plate are arranged in parallel, the side plates are arranged in parallel, the positioning plates are arranged in parallel, the equal-height plates are arranged in parallel, the first positioning shaft, the second positioning shaft and the third positioning shaft are respectively connected at the front position, the rear position and the bottom position of the top of the side plates, the front clamping plate is connected between the side plates and is close to the first positioning shaft, the rear clamping plate is connected between the side plates and is close to the second positioning shaft, and the lower clamping plate is positioned at the top of the equal-height plates. Compared with the traditional tooling, the positioning splicing device has no large-scale complex processing parts and complex assembly requirements, can finish the production of the positioning splicing device with low cost, effectively ensures the dimensional accuracy of the forward frame and improves the production efficiency of the forward frame.

Description

Forward type fork truck front-shifting frame location splicing apparatus

Technical Field

The utility model relates to the technical field of forward forklift trucks, in particular to a positioning and splicing device for a forward forklift front frame.

Background

The forward forklift is rapidly developed in recent years, more and more applications and faster product upgrading are performed in the storage field, but for a production enterprise, the type of forklift is still far from a batch production state, namely a single-piece and small-batch intermittent production mode, so that the input will of the production enterprise on the production equipment of the type of forklift is insufficient. The forward frame is an important part of the forward forklift, and in the production process of recent years, the manual scribing mode is always adopted for positioning and splicing, so that the dimensional accuracy and the production efficiency of the forward frame cannot be ensured.

Disclosure of utility model

The technical problem solved by the utility model is that the traditional forward frame is assembled manually, and the dimensional accuracy and the production efficiency of the forward frame cannot be ensured.

In order to solve the technical problems, the technical scheme of the utility model provides a front-moving frame positioning and splicing device of a front-moving forklift, which comprises the following components:

The clamp body comprises a front end plate, a rear end plate, a pair of side plates, a positioning plate and a pair of contour plates, wherein the front end plate and the rear end plate are arranged in parallel, the pair of side plates are vertically and parallelly connected between the front end plate and the rear end plate, the positioning plate is vertically and parallelly connected between the pair of side plates, and the pair of contour plates are vertically and parallelly connected between the rear end plate and the positioning plate;

the first positioning shaft, the second positioning shaft and the third positioning shaft are respectively connected to the front and rear positions of the top of the pair of side plates and one position of the bottom of the pair of side plates;

A front clamping plate connected between the pair of side plates and close to the first positioning shaft;

a rear clamping plate connected between the pair of side plates and adjacent to the second positioning shaft, and

And a lower clamping plate positioned on top of the pair of the contour plates.

Optionally, first positioning grooves for placing the first positioning shafts are formed in pairs at corresponding positions of the pair of side plates.

Optionally, second positioning grooves for placing the second positioning shafts are formed in pairs at corresponding positions of the pair of side plates.

Optionally, a pair of third positioning grooves are formed in pairs at corresponding positions of the pair of side plates for placing the third positioning shafts.

Optionally, the first positioning shaft, the second positioning shaft and the third positioning shaft are all of a stepped shaft structure with thin middle and thick two ends.

Optionally, the corresponding positions of the pair of side plates are respectively formed with a pair of first clamping grooves for connecting the front clamping plates.

Optionally, the two ends of the front clamping plate are respectively provided with a first mounting groove used for being connected with the first clamping groove.

Optionally, the lower clamping plate has a structure consistent with that of the front clamping plate.

Optionally, second clamping grooves for connecting the rear clamping plates are formed in pairs at corresponding positions of the pair of side plates.

Optionally, a second mounting groove and a pair of bolt holes for connecting with the second clamping groove are respectively arranged at two ends of the rear clamping plate.

The technical scheme of the utility model has the beneficial effects that:

Compared with the traditional tooling, the positioning splicing device has no large-scale complex processing parts and complex assembly requirements, can finish the production of the positioning splicing device with low cost, effectively ensures the dimensional accuracy of the forward frame and improves the production efficiency of the forward frame.

Drawings

FIG. 1 is a schematic diagram of a splicing device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a structure of a fixture according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a first/second/third positioning shaft according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a front card in an embodiment of the utility model;

FIG. 5 is a schematic diagram of a rear card in an embodiment of the utility model;

FIG. 6 is a schematic view of a pin shaft according to an embodiment of the present utility model;

fig. 7 is a schematic structural diagram of a lower clamping plate in an embodiment of the utility model.

Detailed Description

The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.

Referring to fig. 1 and 2, an embodiment of a positioning and splicing device for a front frame of a front frame fork is shown, which includes:

The clamp body 1 comprises a front end plate 8 and a rear end plate 10 which are arranged in parallel, a pair of side plates 7 which are vertically and parallelly connected between the front end plate 8 and the rear end plate 10, a positioning plate 9 which is vertically and parallelly connected between the pair of side plates 7, and a pair of contour plates 11 which are vertically and parallelly connected between the rear end plate 10 and the positioning plate 9;

A first positioning shaft 201, a second positioning shaft 202 and a third positioning shaft 203 respectively connected to the front and rear top portions and one bottom portion of the pair of side plates 7;

A front card 3 connected between the pair of side plates 7 and close to the first positioning shaft 201;

A rear clamping plate 4 connected between the pair of side plates 7 and close to the second positioning shaft 202, and a lower clamping plate 6 located on top of the pair of upper plates 11.

In this embodiment, the corresponding positions of the pair of side plates 7 are respectively formed with a first positioning groove 21 for placing the first positioning shaft 201, the corresponding positions of the pair of side plates 7 are respectively formed with a second positioning groove 22 for placing the second positioning shaft 202, the corresponding positions of the pair of side plates 7 are respectively formed with a third positioning groove 23 for placing the third positioning shaft 203, and the first positioning shaft 201, the second positioning shaft 202 and the third positioning shaft 203 are respectively formed with a stepped shaft structure with thin middle and thick two ends (as shown in fig. 3).

In this embodiment, first clamping grooves 31 for connecting the front clamping plate 3 are formed in pairs at corresponding positions of the pair of side plates 7, and first mounting grooves 301 (shown in fig. 4) for connecting the first clamping grooves 31 are formed at two ends of the front clamping plate 3, respectively, so that the structure of the lower clamping plate 6 is identical to that of the front clamping plate 3 (shown in fig. 7).

In this embodiment, the pair of side plates 7 are formed with a pair of second engaging grooves 41 for engaging the rear engaging plate 4, and the rear engaging plate 4 is provided with a pair of second engaging grooves 401 for engaging the second engaging grooves 41 and a pair of engaging holes 402 (as shown in fig. 5) at both ends thereof.

The features and functions of the present utility model will be further understood from the following description.

Referring to fig. 1, a positioning and splicing device for welding production of a front moving frame of a front moving fork of the present embodiment includes a clamp body 1, a positioning shaft, a front clamping plate 3, a rear clamping plate 4, a pin 5 and a lower clamping plate 6.

The clamp body 1 is a box girder structure, referring to fig. 2, and comprises two parts of a side plate 7, a front end plate 8, a positioning plate 9, a rear end plate 10 and a height plate 11. The end parts and the connecting surfaces of the plates are provided with tenons and mortise joints according to mortise and tenon joint structures and are used for positioning during assembly of the clamp body. The relative sizes of the positioning plate 9 and the contour plate 11 are used for positioning all parts of the forward frame, the relative positions of the positioning plate 9 and the contour plate 11 are limited by the side plates 7, the relative positions of the side plates 7 are limited by the front end plate 8 and the rear end plate 10, effective interlocking is formed between the plates, and the size of the clamp body is ensured. The side plate 7 of the clamp body 1 is provided with a first positioning groove 21, a second positioning groove 22 and a third positioning groove 23 for supporting and positioning the positioning shaft 201/202/203. The clamp body 1 is also provided with a first clamping groove 31 and a second clamping groove 41 for supporting and positioning the front clamping plate 3 and the rear clamping plate 4.

The positioning shafts 201/202/203 are three, see fig. 3, and are hollow step shafts, the diameter of each step shaft is small in the middle and two ends of each step shaft are large, so that the weight is reduced, and the positioning shafts 201/202/203 are conveniently taken out of the workpiece holes. Two ends of the top two positioning shafts 201/202 penetrate through two groups of holes on the workpiece and are placed in corresponding positioning grooves of the clamp body 1, so that the workpiece can be accurately and horizontally positioned, and coaxiality and equal height are ensured. A positioning shaft 203 at the bottom is placed in a positioning groove at the bottom of the clamp body 1, and semicircular holes of a workpiece are ridden and stuck on a cylinder of the positioning shaft 203, so that two groups of semicircular holes on the workpiece are ensured to be coaxial.

The front clamping plate 3 is a steel plate fed by a laser cutting machine, a pair of first mounting grooves 301 are formed in the steel plate, the groove width of the first mounting grooves corresponds to the plate thickness of a workpiece, the first mounting grooves 301 are clamped on the steel plate of the workpiece, and the distance between the two steel plates of the workpiece is limited and roughly clamped. The two ends of the front clamping plate 3 are clamped in the first clamping groove 31 of the clamp body 1, and the height and the front and back positions of the front clamping plate 3 are limited.

The rear clamping plate 4 is also a steel plate which is blanked by a laser cutting machine, has similar structure and function as the front clamping plate 3 and is installed in a similar manner. But two sets of pin holes 402 are additionally formed on the steel plate, and the front and rear positions and the centering of the steel plate are positioned through the holes of the pin shaft 5.

The pin 5 is shown in fig. 6, and two pins are provided. And the rear clamping plate 4 is matched with the workpiece steel plate for positioning the front and rear positions and centering.

The lower clamping plate 6 is also a steel plate which is blanked by a laser cutting machine, has a structure and a function similar to that of the front clamping plate 3, but is horizontally placed on the contour plate 11 in the clamp body 1. The device is used for limiting the distance between two steel plates of a workpiece during working and is slightly clamped.

The assembly process of the positioning and splicing device is as follows:

Detecting and correcting the blanking precision of the laser cutting machine, ensuring that the blanking size of the outer contour is within minus 0.5 mm, ensuring that the blanking size of the inner contour is within plus 0.5 mm, cutting according to the blanking procedure of the plate, leveling the plate after finishing, and eliminating cutting deformation.

And secondly, assembling the positioning and splicing device, namely assembling the whole positioning and splicing device on a bench worker flat plate, taking the bottom surface of the clamp body 1 as a reference, firstly inserting the two side plates 7 and the two positioning plates 9 through corresponding tenons and mortise joints, and positioning the side plates 7 and the positioning plates 9 by the tenons and the mortise joints to form an I shape. Two equal-height plates 11 are inserted according to the positions of the tenons and the mortise, and finally the front end plate 8 and the rear end plate 10 are inserted according to the positions of the tenons and the mortise. Checking whether the positions of the mortise and tenon joint are tightly attached and shaped, checking the diagonal length of the clamp body 1, ensuring that the error is within 1 millimeter, and fixing the part by spot welding. After the fixture body 1 is completed, the first positioning shaft 201, the second positioning shaft 202, the third positioning shaft 203, the front clamping plate 3, the rear clamping plate 4, the pin shaft 5 and the lower clamping plate 6 are respectively placed at corresponding positions, and whether the size meets the design requirement is checked.

The using process of the positioning and splicing device is as follows:

The left and right workpiece side plates 101 are hung into the fixture body 1 and placed on the pair of positioning plates 9, so that the two workpiece side plates 101 are positioned, and the first positioning shaft 201 and the second positioning shaft 202 penetrate through holes (shown in fig. 1) on the two workpiece side plates 101 and are placed in the first positioning groove 21 and the second positioning groove 22 corresponding to the side plates 7, so that the two workpiece side plates 101 are positioned horizontally and clamped slightly.

Then the front clamping plate 3 and the rear clamping plate 4 are inserted into the first clamping groove 31 and the second clamping groove 41 corresponding to the side plates 7, the lower clamping plate 6 is placed on the contour plate 11, and the grooves (comprising the first mounting groove 301, the second mounting groove 401 and the third mounting groove 601) formed by the clamping plates clamp two workpiece side plates 101 of the workpiece, so that the width and the size of the two workpiece side plates 101 of the workpiece are accurately positioned. The workpiece orifice plate 102 is placed on the positioning plate 9 to realize the pre-positioning, the two pin shafts 5 penetrate through the pin holes 402 of the rear clamping plate 4 and the corresponding holes on the workpiece orifice plate 102, the workpiece orifice plate 102 is attached to the rear clamping plate 4, the accurate positioning of the left and right, up and down sizes of the workpiece orifice plate 102 is realized, and the workpiece orifice plate 102 is fixed by spot welding. The workpiece transverse plate 103 is placed on the workpiece side plate 101, one end of the workpiece transverse plate is tightly attached to the workpiece hole plate 101, and the workpiece transverse plate is placed in the other direction in a centering mode and fixed through spot welding. The third positioning shaft 203 is placed in the third positioning groove 23 corresponding to the side plate 7, the semicircular holes of the two workpiece side plates 101 are ridden on the cylindrical surface of the third positioning shaft 203 and are stuck to the workpiece side plates for spot welding and fixing. The whole workpiece part is positioned and fixed, the front clamping plate 3, the rear clamping plate 4 and the lower clamping plate 6 are pulled out, and the workpiece (namely the welded workpiece side plate 101, the welded workpiece orifice plate 102 and the welded workpiece transverse plate 103 are integrated).

In conclusion, the splicing device can rapidly finish the production of the positioning splicing device through the laser cutting machine in a forklift production enterprise, compared with a traditional tool, the positioning splicing device has no large-scale complex processing parts and complex assembly requirements, can finish the production of the positioning splicing device at low cost, and effectively ensures the dimensional accuracy of the forward frame and improves the production efficiency of the forward frame.

The foregoing is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the embodiments and scope of the present utility model, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included in the scope of the present utility model.

Claims (10)

1. The utility model provides a forward fork truck front frame location splicing apparatus, its characterized in that includes:

The clamp body comprises a front end plate and a rear end plate which are arranged in parallel, a pair of side plates which are parallel to each other and are commonly and vertically connected between the front end plate and the rear end plate, a positioning plate which is parallel to each other and is commonly and vertically connected between the pair of side plates, and a pair of equal-height plates which are vertically and parallelly connected between the rear end plate and the positioning plate;

the first positioning shaft, the second positioning shaft and the third positioning shaft are respectively connected to the front and rear positions of the top of the pair of side plates and one position of the bottom of the pair of side plates;

A front clamping plate connected between the pair of side plates and close to the first positioning shaft;

a rear clamping plate connected between the pair of side plates and adjacent to the second positioning shaft, and

And a lower clamping plate positioned on top of the pair of the contour plates.

2. The positioning and splicing device for the front frame of the front fork truck according to claim 1, wherein first positioning grooves for placing the first positioning shafts are formed in pairs at corresponding positions of a pair of side plates.

3. The positioning and splicing device for the front frame of the front fork truck according to claim 2, wherein the second positioning grooves for placing the second positioning shafts are formed in pairs at the corresponding positions of the pair of side plates.

4. The positioning and splicing device for front frame of front fork truck according to claim 3, wherein third positioning grooves for placing said third positioning shafts are formed in pairs at the corresponding positions of a pair of said side plates.

5. The positioning and splicing device for the front moving frame of the front moving fork truck of claim 4, wherein the first positioning shaft, the second positioning shaft and the third positioning shaft are of a stepped shaft structure with thin middle and thick two ends.

6. The positioning and splicing device for front frames of front forks of a front fork truck according to claim 1, wherein the corresponding positions of a pair of side plates are respectively formed with a pair of first clamping grooves for connecting the front clamping plates.

7. The positioning and splicing device for the front moving frame of the front moving fork truck according to claim 6, wherein the two ends of the front clamping plate are respectively provided with a first mounting groove used for being connected with the first clamping groove.

8. The front frame positioning and splicing device of a front fork truck of claim 7, wherein the lower clamping plate has a structure identical to the front clamping plate.

9. The positioning and splicing device for front-moving frames of front-moving forks of a fork truck according to claim 1, wherein the corresponding positions of a pair of side plates are respectively formed with a pair of second clamping grooves for connecting the rear clamping plates.

10. The positioning and splicing device for the front moving frame of the front moving fork truck according to claim 9, wherein the two ends of the rear clamping plate are respectively provided with a second mounting groove and a pair of bolt holes, wherein the second mounting groove is used for being connected with the second clamping groove.