Round rod end face machining fixture

Abstract

The utility model discloses a round bar end face processing fixture, which comprises a positioning frame and a pressing plate, a plurality of groups of round bars are movably placed in the positioning frame, the side wall of the positioning frame is movably connected with the pressing plate, the middle part of the pressing plate is provided with a storage groove, the outer wall of the pressing plate is fixedly connected with a supporting shell, and an electric push rod is fixedly arranged in the supporting shell. A telescopic rod is installed at the output end of the side face of the electric push rod, the side end of the telescopic rod movably penetrates through the side wall of the pressing plate and extends into the containing groove, one-time clamping of products can be achieved, coarse grinding and accurate grinding are completed at a time, and meanwhile strong guarantee of consistency of the sizes of the products can be achieved. The clamp can be used for machining multiple types of products with different lengths, meanwhile, a powerful supplement which cannot be machined by an existing automatic end face grinding machine can be achieved, the clamp is large in clamping force, the machined products are good in size consistency, the machining quality of the products is powerfully guaranteed, and due to the fact that the clamp is large in clamping force and firm, the clamp is very safe in the machining process.

Description

TECHNICAL FIELD

[0001] The utility model relates to bar machining technical field, concretely is a kind of bar end face machining clamping fixture. BACKGROUND

[0002] Alloy bar is a kind of composite material composed of multiple metal elements, with high strength, high toughness and corrosion resistance, etc. It is widely used in the manufacture of mechanical parts, aerospace devices, automotive parts and other fields. Round bar is a cylindrical bar made of two or more metal elements through alloying process. It combines the characteristics of different metals and has excellent comprehensive performance, such as high strength, good corrosion resistance, high hardness, excellent heat resistance, etc. During processing, the end face of the round bar needs to be polished, and the round bar needs to be clamped and fixed during polishing.

[0003] To this end, the Chinese utility model patent with authorization announcement No. CN203804575U discloses a clamp mechanism for machining round bar into rectangular bar, belonging to the field of part machining. The clamp mechanism has an upper top surface clamp, a lower bottom surface clamp, a front side surface clamp and a rear side surface clamp. The upper top surface clamp, the lower bottom surface clamp, the front side surface clamp and the rear side surface clamp are all installed on a lathe. The rectangular bar includes an upper top surface, a lower bottom surface, a front side surface and a rear side surface. The cross section of the round bar is circular. The utility model improves the machining efficiency of machining round bar into rectangular bar through the above technical solution.

[0004] Currently, the length end face machining of hard alloy bar stock mainly uses a larger iron block to separate the blocks, and the product is not clamped tightly. During processing, it is easy to loosen, causing large length error of the processed product. During processing, the product is easy to fly out and hurt people due to loose clamping, causing a large safety hazard. Therefore, we propose a bar end face machining clamp to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a bar end face machining clamp to solve the problems raised in the background technology.

[0006] A bar end face machining clamp includes a positioning frame and a pressing plate. Multiple groups of round bars are placed in the positioning frame. The pressing plate is movably connected to the side wall of the positioning frame. A storage groove is formed in the middle of the pressing plate. A support shell is fixedly connected to the outer wall of the pressing plate. An electric push rod is fixedly installed in the support shell. An extension rod is installed on the side surface output end of the electric push rod. The extension rod is movably penetrated through the side wall of the pressing plate and extends into the storage groove.

[0007] The telescopic rod side end is fixedly connected with a supporting block, a limiting groove is formed in the outer wall of the supporting block, a stop block is arranged on the side of the pressing plate, a limiting block is fixedly connected to the side wall of the pressing plate, the side end of the limiting block is movably inserted into the limiting groove, limiting holes are formed in the two side walls of the limiting block, and two groups of limiting assemblies are symmetrically arranged in the supporting block relative to the storage groove;

[0008] The limiting assembly comprises a supporting cylinder, a sliding plate, a limiting rod, and a spring, the side wall of the supporting cylinder is fixedly inserted into the inner side wall of the supporting block, the sliding plate is movably placed in the supporting cylinder, the side wall of the sliding plate is fixedly connected with the limiting rod, the side end of the limiting rod is movably inserted into the limiting hole, the other side wall of the sliding plate is fixedly connected with the pull rod, and the side end of the pull rod is movably inserted into the supporting cylinder, the side wall of the supporting block, and the outer wall of the supporting block and extends outward, and the side end of the pull rod is fixedly connected with the pull handle.

[0009] Preferably, the inner side wall of the supporting cylinder is symmetrically provided with a sliding groove, and the two side ends of the sliding plate are movably clamped in the sliding groove.

[0010] Preferably, the pull rod movably sleeves the spring, one side end of the spring is fixedly connected with the sliding plate, and the other side end of the spring is fixedly connected with the inner wall of the supporting cylinder.

[0011] Preferably, screw holes are symmetrically formed in the positioning frame, and through holes are symmetrically formed in the pressing plate.

[0012] Preferably, a bolt is movably inserted into the through hole, and the side end of the bolt is movably connected in the screw hole.

[0013] Preferably, a buffer pad is fixedly connected to the inner wall of the positioning frame, an anti-skid pad is fixedly connected to the side wall of the stop block, and a plurality of control keys are fixedly installed on the top of the supporting shell.

[0014] Compared with the prior art, the end face grinding clamp has the advantages that:

[0015] The end face grinding clamp can realize batch end face grinding of hard alloy bar products of different specifications, sizes, lengths and widths, can realize one-time clamping of the products from rough grinding to fine grinding, can ensure consistency of the product size, can be a powerful supplement to the current self-end face grinding, has large clamping force, the product does not loosen, the product size after processing is consistent, the processing quality of the product is guaranteed, and the clamp is safe during processing due to the large clamping force and fastening. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model discloses a structure schematic drawing;

[0017] Figure 2It is the top view structure schematic diagram of the positioning frame in the utility model.

[0018] Figure 3 It is the top view structure schematic diagram of the pressing plate in the utility model.

[0019] Figure 4 It is the top view structure schematic diagram of the support block and the stopper in the utility model.

[0020] In the drawing: 1, positioning frame; 101, screw hole; 102, buffer pad; 2, pressing plate; 201, through hole; 202, bolt; 203, storage groove; 3, round bar; 4, stopper; 401, antiskid pad; 5, support shell; 501, control key; 6, electric push rod; 601, telescopic rod; 7, support block; 701, limiting groove; 8, limiting assembly; 81, support cylinder; 82, sliding groove; 83, sliding plate; 84, limiting rod; 85, pull rod; 86, spring; 87, pull handle; 9, limiting block; 901, limiting hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. EMBODIMENT

[0022] Please refer to Figures 1-2 The utility model provides a kind of technical solutions: a round bar end face processing clamping fixture, including positioning frame 1 and pressing plate 2, multiple groups of round bar 3 are placed movably in positioning frame 1, pressing plate 2 is movably connected to the side wall of positioning frame 1, storage groove 203 is set in the middle of pressing plate 2, support shell 5 is fixedly connected to the outer wall of pressing plate 2, electric push rod 6 is fixedly installed in support shell 5, telescopic rod 601 is installed in the side surface output end of electric push rod 6, telescopic rod 601 side end movably penetrates the side wall of pressing plate 2 and extends into storage groove 203;

[0023] It needs to be explained that the side end of the telescopic rod 601 is fixedly connected with a supporting block 7, a limiting groove 701 is formed in the outer wall of the supporting block 7, a stop block 4 is arranged on the side of the pressing plate 2, a limiting block 9 is fixedly connected to the side wall of the stop block 4, the side end of the limiting block 9 is movably inserted into the limiting groove 701, limiting holes 901 are formed in the two side walls of the limiting block 9, and two groups of limiting assemblies 8 are symmetrically arranged in the supporting block 7 with respect to the storage groove 203. By arranging the stop block 4, the round bar 3 can be clamped and stabilized when it cannot be completely filled in the positioning frame 1, so that the positioning frame 1 is more universal and has higher practicality. By starting the electric push rod 6, the electric push rod 6 drives the telescopic rod 601 to move, the telescopic rod 601 drives the supporting block 7 to move, thereby driving the stop block 4 to move, so that the side wall of the stop block 4 abuts against the outer wall of the round bar 3, and the position of the round bar 3 is fixed. By arranging the limiting groove 701, the limiting block 9 is conveniently inserted and positioned, time and labor are saved.

[0024] It needs to be noted that the limiting assembly 8 contains a supporting cylinder 81, a sliding plate 83, a limiting rod 84, a pull rod 85 and a spring 86. The side wall of the supporting cylinder 81 is fixedly inserted into the inner side wall of the supporting block 7. The sliding plate 83 is movably arranged in the supporting cylinder 81. The limiting rod 84 is fixedly connected to the side wall of the sliding plate 83. The side end of the limiting rod 84 movably penetrates through the supporting cylinder 81 and extends into the storage groove 203. The side end of the limiting rod 84 is movably inserted into the limiting hole 901. The other side wall of the sliding plate 83 is fixedly connected with the pull rod 85. The side end of the pull rod 85 movably penetrates through the side wall of the supporting cylinder 81 and the supporting block 7 and extends outward. The side end of the pull rod 85 is fixedly connected to a pull handle 87. Embodiment

[0025] Please refer to Figure 3 and Figure 4 , which is the second embodiment of the utility model, based on the previous embodiment.

[0026] Specifically, screw holes 101 are symmetrically formed in the positioning frame 1, and through holes 201 are symmetrically formed in the pressing plate 2.

[0027] It needs to be explained that the through hole 201 movably inserts a bolt 202, and the side end of the bolt 202 is movably connected in the screw hole 101. By arranging the screw hole 101, the through hole 201 and the bolt 202 to be connected with each other, the positioning frame 1 and the pressing plate 2 are connected with each other, which is convenient, fast, time-saving and labor-saving. The positioning frame 1 and the pressing plate 2 are convenient to disassemble and assemble, have higher practicality, and the positioning frame 1 and the pressing plate 2 cooperate with each other to compact and fasten the round bar 3, which has higher practicality. The infeed surface of the fastened round bar 3 is ground, the clamp is simple to operate, the clamped product is very efficient, and the quality of the product is effectively guaranteed.

[0028] It should be noted that the positioning frame 1 is fixedly connected with a buffer pad 102 on the inner wall, the stopper 4 is fixedly connected with an anti-skid pad 401 on the side wall, and a plurality of control keys 501 are fixedly installed on the top of the support shell 5.

[0029] In addition, the sliding grooves 82 are symmetrically formed in the inner side wall of the support cylinder 81, and the sliding plates 83 are movably connected to the two side ends of the sliding grooves 82.

[0030] Specifically, the spring 86 is movably sleeved on the pull rod 85, one side end of the spring 86 is fixedly connected to the sliding plate 83, and the other side end of the spring 86 is fixedly connected to the inner wall of the support cylinder 81. By pulling the pull handle 87 to drive the pull rod 85 to move, the pull rod 85 drives the sliding plate 83 to move, and the sliding plate 83 drives the limiting rod 84 to retract into the support cylinder 81, so that the limiting rod 84 is separated from the limiting hole 901, the stopper 4 is convenient to disassemble and replace, the limiting block 9 is inserted into the limiting groove 701, the pull handle 87 is loosened, the limiting rod 84 is reset under the rebounding action of the spring 86, the limiting rod 84 is inserted into the limiting hole 901 formed in the side wall of the limiting block 9, the fixation of the stopper 4 is completed, the replacement is convenient, time and labor are saved, the practicality is stronger, and the utility is stronger through the setting of the storage groove 203 to place the support block 7.

[0031] Please refer to Figures 1 to 4The utility model discloses a round bar 3 is placed in the positioning frame 1 in use, through being connected with each other with the screw hole 101, through hole 201 and bolt 202 of being provided with, make positioning frame 1 with pressing plate 2 connect with each other, convenient and fast, save time and effort, and positioning frame 1 and pressing plate 2 convenient dismounting, the practicality is stronger, positioning frame 1 and pressing plate 2 cooperate with each other and play the role of compaction and fastening to round bar 3, the practicality is stronger, the round bar 3 of fastening enters face grinding processing, this fixture operation is simple, and clamping product is very efficient, and the quality of product is very effective to guarantee simultaneously, through being provided with the fender 4, when the round bar 3 cannot be completely filled in the positioning frame 1, clamping firm round bar 3, make the versatility of positioning frame 1 stronger, the practicality is higher, through starting electric push rod 6, electric push rod 6 promotes telescopic link 601 and moves, telescopic link 601 promotes support block 7 and moves to push fender 4 and move, make fender 4 side wall abut on the outer wall of round bar 3, fix the position of round bar 3, through being provided with the limiting slot 701, convenient for the insertion of limiting block 9, save time and effort, through being provided with the limiting assembly 8, the position of limiting block 9 is fixed, also convenient for dismounting limiting block 9, convenient for replacing the fender 4 of different length and use, the flexibility is higher, through pulling handle 87 and driving pull rod 85 and moving, pull rod 85 drives sliding plate 83 and moves, sliding plate 83 drives limiting rod 84 and retracts in support cylinder 81, make limiting rod 84 separate limiting hole 901, convenient for dismounting fender 4, replace new fender 4, insert limiting block 9 in limiting slot 701, loosen handle 87, under the rebound of spring 86, drive limiting rod 84 and reset, make limiting rod 84 insert in the limiting hole 901 of the side wall of limiting block 9, complete the fixation of fender 4, replace convenient, save time and effort, the practicality is stronger, through being provided with the article groove 203, convenient for placing support block 7, the practicality is stronger.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A fixture for machining the end face of a round bar, comprising a positioning frame (1) and a pressure plate (2), characterized in that: Multiple sets of round rods (3) are movably placed inside the positioning frame (1). A pressure plate (2) is movably connected to the side wall of the positioning frame (1). A storage slot (203) is opened in the middle of the pressure plate (2). A support shell (5) is fixedly connected to the outer wall of the pressure plate (2). An electric push rod (6) is fixedly installed inside the support shell (5). A telescopic rod (601) is installed on the side output end of the electric push rod (6). The side end of the telescopic rod (601) movably passes through the side wall of the pressure plate (2) and extends into the storage slot (203). The telescopic rod (601) is fixedly connected to a support block (7) on its side. The support block (7) has a limit groove (701) on its outer wall. The pressure plate (2) is provided with a stop block (4) on its side. The stop block (4) is fixedly connected to a limit block (9) on its side wall facing the pressure plate (2). The side end of the limit block (9) is movably inserted into the limit groove (701). Limit holes (901) are provided on both sides of the limit block (9). Two sets of limit components (8) are symmetrically arranged in the support block (7) about the storage slot (203). The limiting component (8) contains a support cylinder (81), a sliding plate (83), a limiting rod (84), a pull rod (85), and a spring (86). The side wall of the support cylinder (81) is fixedly inserted into the inner side wall of the support block (7). The sliding plate (83) is movably placed inside the support cylinder (81). The limiting rod (84) is fixedly connected to one side wall of the sliding plate (83). The side end of the limiting rod (84) movably passes through the support cylinder (81) and extends into the storage slot (203). The side end of the limiting rod (84) is movably inserted into the limiting hole (901). The other side wall of the sliding plate (83) is fixedly connected to a pull rod (85). The side end of the pull rod (85) movably passes through the side wall of the support cylinder (81) and the support block (7) and extends outward. The side end of the pull rod (85) is fixedly connected to the handle (87).

2. The fixture for machining the end face of a round bar according to claim 1, characterized in that: The positioning frame (1) is symmetrically provided with screw holes (101), and the pressure plate (2) is symmetrically provided with through holes (201).

3. The fixture for machining the end face of a round bar according to claim 2, characterized in that: A bolt (202) is movably inserted into the through hole (201), and the side end of the bolt (202) is movably connected to the screw hole (101).

4. The fixture for machining the end face of a round bar according to claim 1, characterized in that: The inner wall of the positioning frame (1) is fixedly connected to a buffer pad (102), the side wall of the stop block (4) is fixedly connected to an anti-slip pad (401), and multiple sets of control keys (501) are fixedly installed in the top of the support shell (5).

5. A fixture for machining the end face of a round bar according to claim 1, characterized in that: The inner wall of the support cylinder (81) is symmetrically provided with sliding grooves (82), and the two ends of the sliding plate (83) are movably engaged in the sliding grooves (82).

6. The fixture for machining the end face of a round bar according to claim 1, characterized in that: A spring (86) is movably sleeved on the pull rod (85). One end of the spring (86) is fixedly connected to the slide plate (83), and the other end of the spring (86) is fixedly connected to the inner wall of the support cylinder (81).

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