Sawing machine tool capable of being assembled and disassembled quickly

Abstract

The utility model provides a sawing machine tool capable of being assembled and disassembled rapidly. The sawing machine tool comprises a positioning bottom plate, a left angle support, a right angle support, a mandrel, a locking clamping base, a positioning baffle and an adjusting jackscrew. The whole tool is fixed to a sawing machine workbench, and the notch position of the workpiece is adjusted to coincide with the longitudinal cutting position of a saw blade. According to the sawing machine tool, no tool is used, the workpiece assembling and disassembling efficiency is high, multiple products can be fixed at a time and can be sawed and machined at the same time, the clamping frequency is reduced, the machining efficiency is improved, and the manufacturing cost is greatly reduced on the basis that the product quality is guaranteed. Accurate positioning of sawing machining can be achieved, machining of a numerical control milling machine is replaced, clamping takt is reduced, labor intensity of operators is reduced, and yield per unit time is increased.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical manufacturing technical field, concretely relates to a quick loading and unloading sawing machine frock. BACKGROUND

[0002] The guide tooth cover is an important part of the tracked special vehicle movement system, is located in the middle part of each section of the tracked, is fastened with the guide tooth through the connecting piece, plays the role of fixing the tracked pin and improving the steel property of the tracked pin, shoulders the heavy responsibility of guiding the tracked to be accurately around a series of load wheels after assembly, and guarantees the tracked to maintain the correct track and avoids the tracked from falling off or twisting.

[0003] The guide tooth cover product material is 38CrSi die forging, and two guide tooth cover products can be processed from each blank material, and the appearance and consistency of the blank part are poor. Since the product is an important part of the vehicle movement system and the production base is large, the production efficiency and quality are required to be high. The processing of the guide tooth cover is divided into six processes in sequence, namely, 1. milling both sides, 2. drilling and boring, 3. drilling, milling, milling steps and chamfering on surface A, 4. drilling, milling, milling steps and chamfering on surface B, 5. milling both ends at an angle of 60 degrees, and 6. cutting. Among them, process 5 adopts a numerical control milling machine, and a special jaw is clamped by using a flat mouth vice. Since the angle to be machined needs to remove a large excess amount, the single piece milling time is long, the tool cost is high, the economic benefit is poor, and the current production demand cannot be met. CONTENT OF THE UTILITY MODEL

[0004] (I) Technical problem to be solved

[0005] The utility model provides a quick loading and unloading sawing machine frock to solve the technical problem of low processing efficiency, high tool cost and large labor intensity of operators.

[0006] (II) Technical scheme

[0007] In order to solve the above technical problem, the utility model provides a quick loading and unloading sawing machine frock, which comprises a positioning bottom plate, a left angle support, a right angle support, a mandrel, a locking clamping seat, a positioning baffle and an adjusting jack screw.

[0008] The positioning bottom plate is fixedly connected with the sawing machine workbench. The left angle support and the right angle support are both right-angled triangular plate structures, two U-shaped grooves for mounting the mandrel are respectively machined on the inclined edges, and the two sides of the U-shaped groove are parallel to the inclined edge. The bottoms of the left angle support and the right angle support are respectively fixed on the upper surfaces of the left and right sides of the positioning bottom plate through two inner hexagonal bolts, and the inner side planes of the left angle support and the right angle support are kept parallel, and the corresponding U-shaped grooves are kept parallel.

[0009] The locking clamping seat is provided with two clamping seat inner holes corresponding to the inner hole of the workpiece, used for being penetrated by the two mandrels; each locking clamping seat is provided with a saw blade guide opening outside the clamping seat inner hole, used for guiding the saw blade when cutting the notch communicated with the inner hole of the workpiece on the workpiece semi-finished product, preventing the saw blade from deviating;

[0010] The two mandrels are used for fixing a plurality of workpiece semi-finished products to be machined, and the plurality of workpiece semi-finished products are penetrated on the two mandrels in sequence through the two guide tooth cover inner holes during machining, one locking clamping seat is penetrated on each end of the two mandrels, and the directions of the saw blade guide openings of the two locking clamping seats are consistent; the two mandrels are pushed into the U-shaped grooves of the left angle support and the right angle support in parallel, and the positioning, supporting and dismounting of the mandrels are realized through the U-shaped grooves;

[0011] The two positioning baffles are installed on the outer side planes of the left angle support and the right angle support through the inner hexagonal bolts; each positioning baffle is provided with an adjusting jack, and the two adjusting jacks are used for fastening and preventing loosening of the two locking clamping seats, so that the two locking clamping seats and the workpiece semi-finished products are arranged compactly and without gaps.

[0012] Further, the oblique edge top corner angle of the left angle support and the right angle support is 30 degrees.

[0013] Further, the mandrel is provided with a plane for avoiding the saw blade in the sawing direction of the saw blade.

[0014] Further, the mandrel, the left angle support, the right angle support and the locking clamping seat are subjected to quenching treatment, and the quenching hardness reaches HRC38-42; and the other components are subjected to quenching and tempering treatment, and the hardness is HRC28-32.

[0015] Further, the workpiece is a guide tooth cover.

[0016] (Three) beneficial effects

[0017] The utility model provides a kind of quick mounting and dismounting sawing machine tooling, which comprises positioning base plate, left angle support, right angle support, mandrel, locking clamping seat, positioning baffle and adjusting jack.The notch position of workpiece is adjusted to coincide with the longitudinal cutting position of saw blade on the sawing machine tooling without any tooling.The efficiency of mounting and dismounting workpiece is high, and multiple products can be fixed at one time, and multiple products can be simultaneously sawed, reducing clamping frequency and improving processing efficiency, while ensuring product quality, greatly reducing manufacturing cost.The utility model can realize accurate positioning of sawing, replace numerical control milling machine, further reduce clamping rhythm, reduce operator's labor intensity, and increase unit time output. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structure stereogram of the guide tooth cover quick dismounting sawing machine tooling of the utility model;

[0019] Figure 2 The sawing machine tool structure is exploded for quick dismounting of the guide tooth cover of the utility model;

[0020] Figure 3 The guide tooth cover before processing in the embodiment is shown in the figure;

[0021] Figure 4 The guide tooth cover after processing in the embodiment is shown in the figure. DETAILED DESCRIPTION

[0022] In order to make the purpose, content and advantages of the utility model more clear, the specific implementation of the utility model is described in further detail below in combination with the drawings and embodiments.

[0023] The embodiment proposes a guide tooth cover quick mounting and dismounting sawing machine tool, the overall structure of which is shown in Figure 1 and 2 The utility model mainly comprises a positioning base plate 1, M8 inner hexagonal bolts 2, left angle supports 3, positioning baffle plates 4, adjusting top wires 5, M6 inner hexagonal bolts 6, locking clamping seats 7, mandrels 8 and right angle supports 9.

[0024] The positioning base plate 1 is fixedly connected with the sawing machine workbench. The left angle supports 3 and the right angle supports 9 are both right-angled triangular plate structures, and the angle of the hypotenuse is 30 degrees. Two U-shaped grooves for mounting the mandrels 8 are respectively processed on the hypotenuse, and the two sides of the U-shaped groove are parallel to the hypotenuse and consistent with the angle required by the guide tooth cover.

[0025] The bottoms of the left angle supports 3 and the right angle supports 9 are respectively fixed on the upper surfaces of the left and right sides of the positioning base plate 1 through two M8 inner hexagonal bolts 2, and the inner sides of the left angle supports 3 and the right angle supports 9 are kept parallel, and the corresponding U-shaped grooves are kept parallel.

[0026] Two clamping seat inner holes corresponding to the guide tooth cover inner hole are processed on the locking clamping seat 7 and used for being worn on the two mandrels 8. A saw blade guide opening is respectively processed on the outside of the clamping seat inner hole of each locking clamping seat 7 and used for guiding the saw blade when cutting the notch communicated with the guide tooth cover inner hole on the guide tooth cover semi-finished product, so as to prevent the saw blade from deviating.

[0027] The two mandrels 8 are used for fixing a plurality of guide tooth cover semi-finished products to be processed. When processing, the plurality of guide tooth cover semi-finished products are sequentially worn on the two mandrels 8 through the two guide tooth cover inner holes, one locking clamping seat 7 is worn on each end of the two mandrels 8, and the directions of the saw blade guide openings on the two locking clamping seats 7 are consistent. The mandrel 8 is in a cylindrical shape and is provided with a plane for avoiding the saw blade in the sawing direction. The two mandrels 8 are parallelly pushed into the U-shaped grooves of the left angle supports 3 and the right angle supports 9, and the positioning, support and quick mounting and dismounting of the mandrel 8 are realized through the U-shaped grooves.

[0028] Two positioning baffle plates 4 are respectively installed on the outer side planes of the left angle bracket 3 and the right angle bracket 9 through four M6 inner hexagonal bolts 6. An adjusting jack 5 is installed on each positioning baffle plate 4, and two adjusting jacks 5 are used to fasten and prevent loosening of two locking clamping seats 7, so as to arrange the two locking clamping seats 7 and the guide tooth cover semi-finished product compactly and without gaps.

[0029] The whole tooling installed with the guide tooth cover semi-finished product is placed on the sawing machine workbench, the first incision position of the guide tooth cover is adjusted to coincide with the longitudinal cutting position of the saw blade of the sawing machine workbench, and then the tooling is fixed on the sawing machine workbench by using M8 inner hexagonal bolts. When the guide tooth cover semi-finished product is installed, the contact surfaces of the locking clamping seat 7, the left angle bracket 3, the right angle bracket 9 and the mandrel 8, and the inner hole and the two side surfaces of the guide tooth cover semi-finished product are wiped clean, and the specific processing steps are as follows:

[0030] S1. A plurality of guide tooth cover semi-finished products (structures as shown in Figure 3 ) are sequentially threaded on the two mandrels 8, and one locking clamping seat 7 is threaded on each end of the two mandrels 8, so as to ensure that the opening directions of the two locking clamping seats 7 are consistent and to avoid sawing the mandrel 8 when the sawing is completed;

[0031] S2. The two mandrels 8 assembled with the guide tooth cover semi-finished product and the locking clamping seat 7 are installed in the U-shaped grooves of the left angle bracket 3 and the right angle bracket 9, the two locking clamping seats 7 are fastened and prevented from loosening by the two adjusting jacks 5, the two locking clamping seats 7 and the guide tooth cover semi-finished product are arranged compactly and without gaps, and the movement of the guide tooth cover semi-finished product along the axial direction of the mandrel 8 is limited;

[0032] S3. Start the sawing machine, adjust the sawing parameters, adopt a 2mm-thick band saw blade, adjust the first incision position on the right side of the upper side of the guide tooth cover to coincide with the longitudinal cutting position of the saw blade, and start the sawing process. After the inner hole of the guide tooth cover is sawed through, the first incision on the right side of the upper side of the guide tooth cover is completed, the saw blade is raised to a height of 200mm from the workpiece, and it is ensured that there is no interference when the mandrel 8 is disassembled and assembled. During the sawing process, the cooling liquid is fully utilized to cool the saw blade, and the cuttings are flushed away from the incision position, thereby prolonging the service life of the saw blade;

[0033] S4. The two mandrels 8 assembled with the guide tooth cover semi-finished product and the locking clamping seat 7 after the first incision is completed are taken off from the left angle bracket 3 and the right angle bracket 9, are turned over by 180 degrees along the axial line of the mandrel 8, and the steps S2 and S3 are repeatedly executed to process the second incision on the right side of the lower side of the guide tooth cover;

[0034] S5. The two mandrels 8 assembled with the guide tooth cover semi-finished product and the locking clamping seat 7 after the second incision is completed are taken off from the left angle bracket 3 and the right angle bracket 9, the two locking clamping seats 7 on the mandrel 8 are disassembled, the locking clamping seat 7 is turned over by 180 degrees and then assembled on the mandrel 8 again, the whole mandrel 8 is turned over by 180 degrees left and right, and the steps S2 and S3 are repeatedly executed to process the third incision on the left side of the lower side of the guide tooth cover.

[0035] S6. According to step S4, a fourth cutout located on the left side of the upper side of the guide tooth cover is processed;

[0036] S7. The mandrel 8 is removed, the locking clamp holder 7 and the guide tooth cover semi-finished product are disassembled, burrs are removed, and the workpiece is measured to obtain the final guide tooth cover finished product, as shown in Figure 4

[0037] In the utility model, the mandrel 8, the left angle support 3, the right angle support 9 and the locking clamp holder 7 all need quenching treatment, the quenching hardness reaches HRC38~42, other components are treated by quenching and tempering, and the hardness is HRC28~32, so that the rigidity and stability of the tooling are guaranteed. The saw blade guide opening width of the locking clamp holder 7 is 2.2mm, which is 0.2mm wider than the thickness of the saw blade.

[0038] The preferred embodiments of the utility model are described above, and it should be noted that, for ordinary skilled persons in the technical field, some improvements and deformations can be made without departing from the technical principles of the utility model, and these improvements and deformations should also be regarded as the protection scope of the utility model.​

Claims

1. A quick attachable and detachable jig for a sawing machine, characterized by The quick-mounting and dismounting sawing machine tooling comprises a positioning base plate, a left angle support, a right angle support, a mandrel, a locking clamp, a positioning baffle and an adjusting jackscrew, wherein, The positioning base plate is fixedly connected with a sawing machine workbench; the left angle support and the right angle support are both right-angled triangular plate structures, and two U-shaped grooves for mounting the mandrel are respectively machined on the hypotenuses, and the two sides of the U-shaped grooves are parallel to the hypotenuses; the bottoms of the left angle support and the right angle support are respectively fixed on the upper surfaces of the left and right sides of the positioning base plate through two inner hexagonal bolts, and the inner side planes of the left angle support and the right angle support are kept parallel, and the corresponding U-shaped grooves are kept parallel; The locking clamp is machined with two clamp inner holes corresponding to the workpiece inner holes, and is used for being worn on the two mandrels; each locking clamp is machined with a saw blade guide opening outside the clamp inner hole, and is used for guiding the saw blade when machining the cutout communicated with the workpiece inner hole on the workpiece semi-finished product, and preventing the saw blade from deviating; The two mandrels are used for fixing a plurality of workpiece semi-finished products to be machined, and the plurality of workpiece semi-finished products are sequentially worn on the two mandrels through the two workpiece inner holes, one locking clamp is worn on each end of the two mandrels, and the directions of the saw blade guide openings of the two locking clamps are consistent; the two mandrels are parallel pushed into the U-shaped grooves of the left angle support and the right angle support, and the positioning, supporting and dismounting of the mandrel are realized through the U-shaped grooves; The two positioning baffles are respectively installed on the outer side planes of the left angle support and the right angle support through inner hexagonal bolts; each positioning baffle is installed with an adjusting jackscrew, and the two adjusting jackscrews (5) are used for fastening and preventing loosening of the two locking clamps, and the two locking clamps and the workpiece semi-finished products are arranged compactly and without gaps.

2. The quick attachable and detachable sawing machine tool according to claim 1, characterized in that, The top angle angle of the hypotenuse of the left angle support and the right angle support is 30 degrees.

3. The quick attachable and detachable sawing jig according to claim 1, wherein The mandrel is machined with a plane for avoiding the saw blade in the saw blade cutting direction.

4. The quick attachable and detachable sawing machine tool according to claim 1, wherein, The mandrel, the left angle support, the right angle support and the locking clamp are all subjected to quenching treatment, and the quenching hardness reaches HRC38-42; other components are subjected to quenching and tempering treatment, and the hardness is HRC28-32.

5. The quick attachable and detachable sawing machine tool according to claim 1, wherein, The workpiece is a guide tooth cover.

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