Forward moving frame positioning and splicing device of forward moving type forklift truck

Abstract

The technical scheme of the utility model discloses a forward frame positioning and splicing device of a forward fork truck, which comprises a clamp body, and 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 arranged in parallel, a positioning plate which is arranged in parallel and a pair of equal-height plates which are arranged in parallel; the first positioning shaft, the second positioning shaft and the third positioning shaft are respectively connected to the front part, the rear part and the bottom part of the pair of side plates; the front clamping plate is connected between the pair of side plates and is close to the first positioning shaft; the rear clamping plate is connected between the pair of side plates and is close to the second positioning shaft; and the lower clamping plate is positioned at the top of the pair of equal-height plates. According to the splicing device disclosed by the utility model, the production of the positioning and splicing device is quickly completed through the laser cutting machine in a forklift manufacturing enterprise; compared with a traditional tool, no large complex machining part exists, no complex assembling requirement exists, and production of the positioning and splicing device can be completed at low cost; and the size precision of the forward moving frame is effectively guaranteed, and the production efficiency of the forward moving frame is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of reach forklifts, in particular to a positioning and splicing device for the reach frame of a reach forklift. Background Art

[0002] Reach forklifts have developed rapidly in recent years and are increasingly used in the warehousing field, and product upgrades are getting faster and faster. However, for production enterprises, this type of forklift is far from reaching the state of mass production, that is, the intermittent production mode of single-piece and small-batch production. This has led to insufficient willingness of production enterprises to invest in the production equipment of this type of forklift. The reach frame is an important component of the reach forklift. In the production process in recent years, the manual scribing mode has been used for positioning and splicing, which cannot guarantee the dimensional accuracy and production efficiency of the reach frame. Summary of the Utility Model

[0003] The technical problem solved by the utility model is that traditional reach frames are all manually assembled, which cannot guarantee the dimensional accuracy and production efficiency of the reach frames.

[0004] To solve the above technical problems, the technical solution of the utility model provides a positioning and splicing device for the reach frame of a reach forklift, which includes:

[0005] A fixture body, which includes a front end plate and a rear end plate arranged in parallel, a pair of side plates vertically and parallelly connected between the front end plate and the rear end plate, a positioning plate vertically and parallelly connected between the pair of side plates, and a pair of equal-height plates vertically and parallelly connected between the rear end plate and the positioning plate;

[0006] A first positioning shaft, a second positioning shaft, and a third positioning shaft respectively connected to two positions at the top and one position at the bottom of a pair of the side plates;

[0007] A front clamping plate, which is connected between the pair of side plates and close to the first positioning shaft;

[0008] A rear clamping plate, which is connected between the pair of side plates and close to the second positioning shaft; and

[0009] A lower clamping plate, which is located at the top of the pair of equal-height plates.

[0010] Optionally, first positioning grooves for placing the first positioning shaft are respectively formed in pairs at corresponding positions of the pair of side plates.

[0011] Optionally, second positioning grooves for placing the second positioning shaft are respectively formed in pairs at corresponding positions of the pair of side plates.

[0012] Optionally, third positioning grooves for placing the third positioning shaft are respectively formed in pairs at corresponding positions of the pair of side plates.

[0013] Optionally, the first positioning shaft, the second positioning shaft, and the third positioning shaft are all stepped shaft structures that are thinner in the middle and thicker at both ends.

[0014] Optionally, first card slots for connecting the front clamping plate are respectively formed in pairs at corresponding positions of a pair of the side plates.

[0015] Optionally, first mounting grooves for connecting with the first card slots are respectively provided at both ends of the front clamping plate.

[0016] Optionally, the structure of the lower clamping plate is the same as that of the front clamping plate.

[0017] Optionally, second card slots for connecting the rear clamping plate are respectively formed in pairs at corresponding positions of a pair of the side plates.

[0018] Optionally, second mounting grooves for connecting with the second card slots and a pair of pin holes are respectively provided at both ends of the rear clamping plate.

[0019] The beneficial effects of the technical solution of the present utility model are as follows:

[0020] The splicing device of the present utility model can quickly complete the production of the positioning splicing device through a laser cutting machine in a forklift production enterprise; compared with traditional tooling, there are no large and complex processing parts, nor complex assembly requirements, and the production of the positioning splicing device can be completed at low cost; and the dimensional accuracy of the forward moving frame is effectively guaranteed and the production efficiency of the forward moving frame is improved. Description of the Drawings

[0021] Figure 1 is a schematic structural diagram of the splicing device in an embodiment of the present utility model;

[0022] Figure 2 is a schematic structural diagram of the fixture body in an embodiment of the present utility model;

[0023] Figure 3 is a schematic structural diagram of the first / second / third positioning shaft in an embodiment of the present utility model;

[0024] Figure 4 is a schematic structural diagram of the front clamping plate in an embodiment of the present utility model;

[0025] Figure 5 is a schematic structural diagram of the rear clamping plate in an embodiment of the present utility model;

[0026] Figure 6 is a schematic structural diagram of the plug pin shaft in an embodiment of the present utility model;

[0027] Figure 7 is a schematic structural diagram of the lower clamping plate in an embodiment of the present utility model. Detailed Embodiments

[0028] The present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, but it is not intended to limit the present utility model.

[0029] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0030] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless otherwise specifically defined.

[0031] In the present utility model, unless otherwise clearly specified and defined, the terms "installed", "connected", "connected", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0032] In the present utility model, unless otherwise clearly specified and defined, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over" and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "beneath" and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0033] Please refer to Figure 1 and Figure 2 As shown, there is shown a positioning and splicing device for the front fork frame of a reach forklift in an embodiment, which includes:

[0034] The jig body 1 includes a front end plate 8 and a rear end plate 10 arranged in parallel, a pair of side plates 7 vertically and parallelly connected between the front end plate 8 and the rear end plate 10, a positioning plate 9 vertically and parallelly connected between the pair of side plates 7, and a pair of equal-height plates 11 vertically and parallelly connected between the rear end plate 10 and the positioning plate 9;

[0035] The first positioning shaft 201, the second positioning shaft 202, and the third positioning shaft 203 respectively connected to two positions at the front and rear of the top of a pair of side plates 7 and one position at the bottom;

[0036] The front clamping plate 3, which is connected between a pair of side plates 7 and close to the first positioning shaft 201;

[0037] The rear clamping plate 4, which is connected between a pair of side plates 7 and close to the second positioning shaft 202; and the lower clamping plate 6, which is located at the top of a pair of equal-height plates 11.

[0038] In this embodiment, first positioning grooves 21 for placing the first positioning shaft 201 are respectively formed in pairs at corresponding positions of a pair of side plates 7, second positioning grooves 22 for placing the second positioning shaft 202 are respectively formed in pairs at corresponding positions of a pair of side plates 7, and third positioning grooves 23 for placing the third positioning shaft 203 are respectively formed in pairs at corresponding positions of a pair of side plates 7. The first positioning shaft 201, the second positioning shaft 202, and the third positioning shaft 203 are all stepped shaft structures with a thin middle and thick ends (as Figure 3 shown).

[0039] In this embodiment, first clamping grooves 31 for connecting the front clamping plate 3 are respectively formed in pairs at corresponding positions of a pair of side plates 7. First mounting grooves 301 for connecting with the first clamping grooves 31 are respectively provided at both ends of the front clamping plate 3 (as Figure 4 shown), and the structure of the lower clamping plate 6 is the same as that of the front clamping plate 3 (as Figure 7 shown).

[0040] In this embodiment, second clamping grooves 41 for connecting the rear clamping plate 4 are respectively formed in pairs at corresponding positions of a pair of side plates 7. Second mounting grooves 401 for connecting with the second clamping grooves 41 and a pair of pin holes 402 are respectively provided at both ends of the rear clamping plate 4 (as Figure 5 shown).

[0041] The characteristics and functions of the present utility model are further understood through the following description.

[0042] Refer to Figure 1 , a positioning and splicing device for the welding production of the forward moving frame of a forward moving forklift in this embodiment, includes a jig body 1, a positioning shaft, a front clamping plate 3, a rear clamping plate 4, a plug pin shaft 5, and a lower clamping plate 6.

[0043] For the jig body 1, refer to Figure 2, is a box girder structure, including two side plates 7, a front end plate 8, two positioning plates 9, a rear end plate 10 and two equal-height plates 11. Mortises and tenons are provided at the ends and connecting surfaces of each plate according to the mortise and tenon structure for positioning during the assembly of the fixture. The relevant dimensions of the positioning plate 9 and the equal-height plate 11 are used for positioning each part of the front-shifting frame. The side plate 7 limits the relative positions of the positioning plate 9 and the equal-height plate 11. The front end plate 8 and the rear end plate 10 limit the relative position of the side plate 7. An effective interlock is formed between each plate to ensure the dimensions of the fixture. On the side plate 7 of the fixture 1, a first positioning groove 21, a second positioning groove 22 and a third positioning groove 23 are provided for the support and positioning of the positioning shafts 201 / 202 / 203. The fixture 1 is also provided with a first clamping groove 31 and a second clamping groove 41 for the support and positioning of the front clamping plate 3 and the rear clamping plate 4.

[0044] For the positioning shafts 201 / 202 / 203, see Figure 3 , there are three. It is a hollow stepped shaft with a smaller diameter in the middle and larger diameters at both ends to reduce weight and facilitate the removal of the positioning shafts 201 / 202 / 203 from the workpiece holes. The two positioning shafts 201 / 202 at the top pass through two groups of holes on the workpiece at both ends and rest in the corresponding positioning grooves of the fixture 1, which can accurately horizontally position the workpiece, ensuring coaxiality and equal height. The bottom positioning shaft 203 is placed in the positioning groove at the bottom of the fixture 1, and the semi-circular hole of the workpiece rides on the cylinder of the positioning shaft 203 to ensure the coaxiality of the two groups of semi-circular holes on the workpiece.

[0045] For the front clamping plate 3, see Figure 4 , is a steel plate cut by a laser cutting machine. A pair of first mounting grooves 301 are provided on the steel plate, and the groove width corresponds to the plate thickness of the workpiece. The first mounting grooves 301 are stuck on the workpiece steel plate to limit the distance between the two workpiece steel plates and roughly clamp them. Both ends of the front clamping plate 3 are stuck in the first clamping groove 31 of the fixture 1 to limit the height and the front and rear positions of the front clamping plate 3.

[0046] For the rear clamping plate 4, see Figure 5 , is also a steel plate cut by a laser cutting machine. Its structure and function are similar to those of the front clamping plate 3, and the installation method is also similar. However, two groups of pin holes 402 are additionally provided on it, and the positioning pins 5 pass through the holes to position the front and rear positions and the centering of the workpiece steel plate.

[0047] For the positioning pins 5, see Figure 6 , there are two. It is used in cooperation with the rear clamping plate 4 to position the front and rear positions and the centering of the workpiece steel plate.

[0048] For the lower clamping plate 6, see Figure 7 , is also a steel plate cut by a laser cutting machine. Its structure and function are similar to those of the front clamping plate 3, but it is horizontally placed on the equal-height plate 11 in the fixture 1. It is used to limit the distance between the two lower workpiece steel plates and roughly clamp them.

[0049] The assembly process of this positioning splicing device is as follows:

[0050] Step 1: Check and calibrate the cutting accuracy of the laser cutting machine to ensure that the outer contour cutting size is within -0.5 mm and the inner contour cutting size is within +0.5 mm, and then cut according to the sheet cutting procedure. After completion, the sheet should be leveled to eliminate cutting deformation.

[0051] Step 2: Assemble the positioning and splicing device. The entire positioning and splicing device is assembled and placed on the bench flat plate. Taking the bottom surface of the clamp body 1 as the reference, first insert the two side panels 7 and the two positioning panels 9 through the corresponding tenons and mortises. The tenons and mortises can position the side panels 7 and the positioning panels 9 to form an I-shape. Then insert the two equal-height panels 11 according to the positions of the tenons and mortises, and finally insert the front end panel 8 and the rear end panel 10 according to the positions of the tenons and mortises. Check whether the positions of the tenon and mortise interfaces are tight and shaped, check the diagonal length of the clamp body 1, ensure that the error is within 1 mm, and fix it with local spot welding. After the clamp body 1 is completed, place the first positioning axis 201, the second positioning axis 202 and the third positioning axis 203, the front card plate 3, the rear card plate 4, the latch axis 5 and the lower card plate 6 in the corresponding positions, and check whether the dimensions meet the design requirements.

[0052] The use process of this positioning splicing device is as follows:

[0053] The left and right workpiece side plates 101 are hoisted into the clamp body 1 and placed on a pair of positioning plates 9 to achieve pre-positioning of the two workpiece side plates 101. The first positioning axis 201 and the second positioning axis 202 pass through the holes on the two workpiece side plates 101 (such as Figure 1 ), and placed in the first positioning groove 21 and the second positioning groove 22 corresponding to the side plate 7, so as to realize the horizontal precise positioning and preliminary clamping of the two workpiece side plates 101.

[0054] Then insert the front clamping plate 3 and the rear clamping plate 4 into the corresponding first clamping groove 31 and the second clamping groove 41 of the side plate 7, place the lower clamping plate 6 on the equal-height plate 11, and the grooves provided on each clamping plate (including the first installation groove 301, the second installation groove 401 and the third installation groove 601) clamp two workpiece side plates 101 of the workpiece, realizing precise positioning of the width dimension of the two workpiece side plates 101 of the workpiece. Place the workpiece hole plate 102 on the positioning plate 9 to achieve pre-positioning. Two insertion pin shafts 5 pass through the insertion pin holes 402 of the rear clamping plate 4 and the corresponding holes on the workpiece hole plate 102, and make the workpiece hole plate 102 adhere to the rear clamping plate 4, realizing precise positioning of the left-right, up-down dimensions of the workpiece hole plate 102, and spot-welding to fix the workpiece hole plate 102. Place the workpiece cross plate 103 on the workpiece side plate 101, with one end tightly adhering to the workpiece hole plate 101 and the other end placed in the center, and spot-weld to fix. Place the third positioning shaft 203 in the corresponding third positioning groove 23 of the side plate 7, place the semi-circular holes of the two workpiece side plates 101 on the cylindrical surface of the third positioning shaft 203, and adhere to the workpiece side plate, and spot-weld to fix. The positioning and fixing of the entire workpiece part are completed. Pull out the front clamping plate 3, the rear clamping plate 4 and the lower clamping plate 6, and lift out the workpiece (i.e., the whole of the welded workpiece side plate 101, workpiece hole plate 102 and workpiece cross plate 103).

[0055] In summary, the splicing device of the present utility model can quickly complete the production of the positioning splicing device through a laser cutting machine in a forklift production enterprise; and compared with traditional tooling, there are no large and complex processing parts, nor complex assembly requirements, and the production of the positioning splicing device can be completed at low cost; and it effectively guarantees the dimensional accuracy of the front-shift frame and improves the production efficiency of the front-shift frame.

[0056] The above are only the preferred embodiments of the present utility model, and do not limit the implementation manners and protection scope of the present utility model accordingly. For those skilled in the art, it should be able to realize that all the equivalent replacements and obvious changes made by using the description and illustrations of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A positioning and splicing device for a forward-moving frame of a forward-moving forklift, characterized in that: include: A clamp body, comprising a front end plate and a rear end plate arranged in parallel, a pair of side plates parallel to each other and vertically connected between the front end plate and the rear end plate, a positioning plate parallel to each other and vertically connected between the pair of side plates, and a pair of equal height plates vertically and parallelly connected between the rear end plate and the positioning plate; A first positioning shaft, a second positioning shaft and a third positioning shaft respectively connected to two positions at the top and the bottom and one position at the bottom of a pair of the side plates; A front card plate connected between the pair of side plates and close to the first positioning axis; a rear clamping plate connected between the pair of side plates and close to the second positioning shaft; and A lower card plate is located on top of a pair of equal-height plates.

2. The positioning and splicing device for the forward frame of a forward-moving forklift according to claim 1 is characterized in that: A pair of first positioning grooves for placing the first positioning shaft are formed in pairs at corresponding positions of a pair of side plates.

3. The positioning and splicing device for the forward frame of a forward-moving forklift according to claim 2 is characterized in that: Second positioning grooves for placing the second positioning shaft are formed in pairs at corresponding positions of a pair of the side plates.

4. The positioning and splicing device for the forward frame of a forward-moving forklift according to claim 3 is characterized in that: A pair of third positioning grooves for placing the third positioning shafts are formed in pairs at corresponding positions of a pair of the side plates.

5. The positioning and splicing device for the forward frame of a forward-moving forklift according to claim 4 is characterized in that: The first positioning shaft, the second positioning shaft and the third positioning shaft are all stepped shaft structures that are thin in the middle and thick at both ends.

6. The positioning and splicing device for the forward frame of a forward-moving forklift according to claim 1 is characterized in that: A pair of first card slots for connecting the front card plate are formed in pairs at corresponding positions of the pair of side plates.

7. The positioning and splicing device for the forward frame of a forward-moving forklift according to claim 6 is characterized in that: Both ends of the front card plate are respectively provided with first mounting grooves for connecting with the first card grooves.

8. The positioning and splicing device for the forward frame of a forward-moving forklift according to claim 7 is characterized in that: The structure of the lower card plate is consistent with that of the front card plate.

9. The positioning and splicing device for the forward frame of a forward-moving forklift according to claim 1, characterized in that: Second card slots for connecting the rear card plate are formed in pairs at corresponding positions of a pair of the side plates.

10. The positioning and splicing device for the forward frame of a forward-moving forklift according to claim 9, characterized in that: Two ends of the rear clamping plate are respectively provided with a second mounting groove for connecting with the second clamping groove and a pair of pin holes.

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