Bow bending die with protective structure

Abstract

The utility model discloses an arch bending die with a protective structure, which comprises a fixed base, a hydraulic push rod is fixedly mounted at the top of the fixed base, a movable groove is formed in the middle of the top of the fixed base, and limiting sliding grooves positioned on two sides of the movable groove are formed in the top of the fixed base. Sliding long blocks are slidably connected to the front side and the rear side of the fixed base, a first clamping die is slidably connected to the top of the fixed base through a limiting sliding groove, a protective cover located above the first clamping die is integrally connected to the outer sides of the sliding long blocks, and a second clamping die is fixedly installed at the movable end of a hydraulic push rod. And a fixed sleeve is fixedly mounted in the movable groove, and a connecting long rod is fixedly mounted at the bottom of the first clamping die. And the sliding long block and the protective cover are pushed to move along the connecting sliding groove, the abutting position of the first clamping die and the second clamping die is wrapped in the protective cover, and the raw materials are prevented from popping out in the bending process.

Description

TECHNICAL FIELD

[0001] The utility model relates to arch bending mould technical field, concretely is a kind of arch bending mould with protection structure. BACKGROUND

[0002] Arch is the oldest one of projectile weapon in projectile weapon, it is composed of flexible arch arm and pliable bowstring, when the power accumulated in the process of string drawing is released in an instant, it can be shot to the target at a distance with arrow or projectile buckled on bowstring, in the manufacturing process of traditional arch, material needs certain bending treatment.

[0003] The existing bending mould is not convenient to protect work and operator during bending processing, has security risk during processing, and further has certain use defect.

[0004] Therefore, we propose a kind of arch bending mould with protection structure. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of arch bending mould with protection structure to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of arch bending mould with protection structure, including fixed base, the top of the fixed base is fixedly installed with hydraulic push rod, the middle part of the top of the fixed base is equipped with movable slot, the top of the fixed base is equipped with the limiting sliding slot located in the movable slot both sides, the front and rear sides of the fixed base are slidably connected with sliding long piece, the top of the fixed base is slidably connected with first clamp mould by limiting sliding slot, the outside of the sliding long piece is integrally connected with the protective cover located above first clamp mould, the movable end of the hydraulic push rod is fixedly installed with second clamp mould, the inside of the movable slot is fixedly installed with fixed sleeve, the bottom of the first clamp mould is fixedly installed with connecting long rod, the other end of the connecting long rod is fixedly installed with piston plate, the inside of the piston plate and fixed sleeve is sealingly slidably connected, one end of the fixed sleeve is fixedly installed with connecting conduit, the inside of the sliding long piece is fixedly installed with telescopic air bag, the terminal of the connecting conduit is fixedly installed with telescopic air bag.

[0007] Optionally, the front and rear sides of the fixed base are equipped with connecting sliding slot, the inside of the sliding long piece and connecting sliding slot is slidably connected.

[0008] Optionally, the opposite surface of the first clamp mould and second clamp mould is the arc surface that is matched, the other side of the first clamp mould is fixedly installed with return spring, the other end of the return spring is abuttingly arranged with the side of fixed bottom.

[0009] Optionally, the diameter of the fixed sleeve is the same as the width of the movable groove, and the fixed sleeve is coaxial with the connecting long rod.

[0010] Optionally, the connecting part of the telescopic air bag and the connecting conduit is fixedly installed with the inner wall of the connecting sliding groove, and the other end of the telescopic air bag is fixedly installed with the inside of the sliding long block.

[0011] Optionally, the diameter of the telescopic air bag is smaller than the diameter of the fixed sleeve, and the connecting conduit is laid in the inside of the fixed base.

[0012] Optionally, the two hydraulic push rods are symmetrically arranged on the two sides of the movable groove, and the width of the protective cover is greater than the width of the first clamp mold.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The bow bending mold with the protection structure, through setting up the fixed sleeve and the telescopic air bag, when the hydraulic push rod pushes the second clamp mold to move and clamps the raw material to the first clamp mold, the connecting long rod simultaneously pushes the piston plate to move, pushes the air in the inside of the fixed sleeve to be sent into the telescopic air bag through the connecting conduit, in turn makes the telescopic air bag lengthen, in turn pushes the sliding long block and the protective cover to move along the connecting sliding groove, wraps the abutting place of the first clamp mold and the second clamp mold in the inside of the protective cover, prevents the raw material from bouncing out in the bending process.

[0015] 2、The bow bending mold with the protection structure, through setting up the hydraulic push rod, places the raw material needing bending between the first clamp mold and the second clamp mold, the hydraulic push rod pushes the second clamp mold to be close to the first clamp mold and extrudes the raw material, after bending and shaping, the hydraulic push rod drives the second clamp mold to move reversely, makes the piston plate in the fixed sleeve move reversely, extracts the air in the telescopic air bag, makes the protective cover move reversely, simultaneously under the action of the reset spring, makes the first clamp mold move reversely, makes the abutting place of the first clamp mold and the second clamp mold move to the outside of the protective cover. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the whole structure schematic view of the bow bending mold with the protection structure of the utility model;

[0017] Fig. 2 It is the structure schematic view of the fixed base of the bow bending mold with the protection structure of the utility model;

[0018] Fig. 3 It is the structure schematic view of the fixed sleeve of the bow bending mold with the protection structure of the utility model;

[0019] Fig. 4 It is the structure schematic view of the protective cover of the bow bending mold with the protection structure of the utility model.

[0020] In the figure: 1, fixed base; 2, hydraulic push rod; 3, movable groove; 4, limiting sliding groove; 5, first clamp mold; 6, second clamp mold; 7, connecting sliding groove; 8, reset spring; 9, protective cover; 10, fixed sleeve; 11, piston plate; 12, connecting long rod; 13, connecting conduit; 14, sliding long block; 15, telescopic air bag. 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 scope of protection of the utility model.

[0022] Please refer to Figs. 1 to 4 The utility model provides a kind of arch bending mould with protective structure, including fixed base 1, the top of fixed base 1 is fixedly installed with hydraulic push rod 2, the middle part of the top of fixed base 1 is equipped with movable groove 3, the top of fixed base 1 is equipped with the limiting sliding groove 4 located in movable groove 3 both sides, the front and back sides of fixed base 1 are slidably connected with sliding long block 14, the top of fixed base 1 is slidably connected with first clamp mold 5 by limiting sliding groove 4, the outside of sliding long block 14 is integrally connected with the protective cover 9 located above first clamp mold 5, the movable end of hydraulic push rod 2 is fixedly installed with second clamp mold 6, the inside of movable groove 3 is fixedly installed with fixed sleeve 10, the bottom of first clamp mold 5 is fixedly installed with connecting long rod 12, the other end of connecting long rod 12 is fixedly installed with piston plate 11, piston plate 11 and the inside of fixed sleeve 10 are sealingly slidably connected, one end of fixed sleeve 10 is fixedly installed with connecting conduit 13, the inside of sliding long block 14 is fixedly installed with telescopic air bag 15, the tail end of connecting conduit 13 is fixedly installed with telescopic air bag 15, by being provided with fixed sleeve 10 and telescopic air bag 15, when hydraulic push rod 2 pushes second clamp mold 6 and moves to first clamp mold 5 and clamps raw material, connecting long rod 12 simultaneously pushes piston plate 11 and moves, pushes the air in the inside of fixed sleeve 10 into telescopic air bag 15 by connecting conduit 13, to make telescopic air bag 15 lengthen, to push sliding long block 14 and protective cover 9 along connecting sliding groove 7 and move, the abutting place of first clamp mold 5 and second clamp mold 6 is wrapped in the inside of protective cover 9, prevent raw material from bouncing out in the bending process.

[0023] The front and back sides of the fixed base 1 are provided with connecting sliding grooves 7, the sliding long blocks 14 are slidably connected with the interiors of the connecting sliding grooves 7, the opposite faces of the first clamping die 5 and the second clamping die 6 are arc-shaped faces matched with each other, the other side of the first clamping die 5 is fixedly provided with a reset spring 8, the other end of the reset spring 8 is abuttingly arranged with one side of the fixed bottom, the diameter of the fixed sleeve 10 is the same as the width of the movable groove 3, the fixed sleeve 10 is coaxially arranged with the connecting long rod 12, the other end of the stretchable air bag 15 is fixedly arranged with the interior of the sliding long block 14, the diameter of the stretchable air bag 15 is smaller than the diameter of the fixed sleeve 10, the connecting conduit 13 is laid in the interior of the fixed base 1, the two hydraulic push rods 2 are symmetrically arranged at the two sides of the movable groove 3, the width of the protective cover 9 is greater than the width of the first clamping die 5, by arranging the hydraulic push rod 2, the raw material to be bent is arranged between the first clamping die 5 and the second clamping die 6, the hydraulic push rod 2 pushes the second clamping die 6 to move close to the first clamping die 5 and extrude the raw material, after the bending and setting are finished, the hydraulic push rod 2 drives the second clamping die 6 to move reversely, so that the piston plate 11 in the fixed sleeve 10 moves reversely, the air in the stretchable air bag 15 is extracted, so that the protective cover 9 moves reversely, and meanwhile, under the action of the reset spring 8, the first clamping die 5 moves reversely, so that the connecting place of the first clamping die 5 and the second clamping die 6 moves to the outside of the protective cover 9.

[0024] Working principle:

[0025] The raw material to be bent is arranged between the first clamping die 5 and the second clamping die 6, the hydraulic push rod 2 pushes the second clamping die 6 to move close to the first clamping die 5 and extrude the raw material, when the hydraulic push rod 2 pushes the second clamping die 6 to move to the first clamping die 5 to clamp the raw material, the connecting long rod 12 simultaneously pushes the piston plate 11 to move, pushes the air in the interior of the fixed sleeve 10 to be sent into the stretchable air bag 15 through the connecting conduit 13, so that the stretchable air bag 15 is elongated, so that the sliding long block 14 and the protective cover 9 are moved along the connecting sliding groove 7, the abutting place of the first clamping die 5 and the second clamping die 6 is wrapped in the interior of the protective cover 9, so as to prevent the raw material from being bounced out in the bending process, after the bending and setting are finished, the hydraulic push rod 2 drives the second clamping die 6 to move reversely, so that the piston plate 11 in the fixed sleeve 10 moves reversely, the air in the stretchable air bag 15 is extracted, so that the protective cover 9 moves reversely, and meanwhile, under the action of the reset spring 8, the first clamping die 5 moves reversely, so that the connecting place of the first clamping die 5 and the second clamping die 6 moves to the outside of the protective cover 9.

[0026] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bending die with a protective structure for bowing, comprising a fixed base (1), characterized in that, The top of the fixed base (1) is fixedly provided with a hydraulic push rod (2), the middle of the top of the fixed base (1) is provided with a movable slot (3), the top of the fixed base (1) is provided with a limiting sliding groove (4) on both sides of the movable slot (3), the front and rear sides of the fixed base (1) are slidably connected with a sliding long block (14), the top of the fixed base (1) is slidably connected with a first clamp mold (5) through the limiting sliding groove (4), the outer side of the sliding long block (14) is integrally connected with a protective cover (9) above the first clamp mold (5), the movable end of the hydraulic push rod (2) is fixedly provided with a second clamp mold (6), the inside of the movable slot (3) is fixedly provided with a fixed sleeve (10), the bottom of the first clamp mold (5) is fixedly provided with a connecting long rod (12), the other end of the connecting long rod (12) is fixedly provided with a piston plate (11), the piston plate (11) is sealingly and slidably connected with the inside of the fixed sleeve (10), one end of the fixed sleeve (10) is fixedly provided with a connecting conduit (13), the inside of the sliding long block (14) is fixedly provided with a telescopic air bag (15), the distal end of the connecting conduit (13) is fixedly provided with the telescopic air bag (15).

2. The bow bending die with a protective structure according to claim 1, characterized in that, The front and rear sides of the fixed base (1) are provided with a connecting sliding groove (7), the sliding long block (14) is slidably connected with the inside of the connecting sliding groove (7).

3. The bow bending die with a protective structure according to claim 1, characterized in that, The opposite surfaces of the first clamp mold (5) and the second clamp mold (6) are arc surfaces matched with each other, the other side of the first clamp mold (5) is fixedly provided with a return spring (8), the other end of the return spring (8) is abuttingly arranged with one side of the fixed bottom.

4. The bow bending die with a protective structure according to claim 1, characterized in that, The diameter of the fixed sleeve (10) is the same as the width of the movable slot (3), the fixed sleeve (10) is coaxially arranged with the connecting long rod (12).

5. The bow bending die with a protective structure according to claim 1, wherein, The connecting part of the telescopic air bag (15) and the connecting conduit (13) is fixedly provided with the inner wall of the connecting sliding groove (7), the other end of the telescopic air bag (15) is fixedly provided with the inside of the sliding long block (14).

6. The bow bending die with a protective structure according to claim 5, characterized in that, The diameter of the telescopic air bag (15) is smaller than the diameter of the fixed sleeve (10), the connecting conduit (13) is arranged in the inside of the fixed base (1).

7. The bow bending die with a protective structure according to claim 1, wherein, Two hydraulic push rods (2) are symmetrically arranged on both sides of the movable slot (3), the width of the protective cover (9) is greater than the width of the first clamp mold (5).

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