High-precision cold heading die with protection function

Abstract

The utility model relates to the field of cold heading dies, discloses a high-precision cold heading die with a protection function, and solves the problem that the outer side of an upper die and the inner side of a lower die lose effective protection barriers once a protective sleeve is not correctly installed due to the fact that a worker often forgets to install the protective sleeve after the die is used. In order to solve the problem that unprotected parts are easily damaged due to collision with surrounding equipment, tools or other objects in subsequent mold carrying, storage or other related operation processes, the high-precision cold heading mold with the protection function comprises a base and a first supporting plate arranged on one side of the upper portion of the base, and further comprises a second supporting plate arranged on the other side of the upper portion of the base. Through the arrangement of the pushing mechanism, the upper mold can automatically drive the pushing mechanism to move upwards and downwards after mold pressing is completed, the upper mold and the lower mold are protected, compared with the prior art, the situation that workers forget to protect the upper mold and the lower mold is avoided, and therefore the probability of damage is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to cold heading die field, concretely is a kind of high-precision cold heading die with protection function. BACKGROUND

[0002] Cold heading die is a special die used in cold heading process, which is a tool that makes metal materials plastically deform at room temperature by applying pressure with a press machine to obtain parts of desired shape and size.

[0003] The utility model discloses a nut machine cold heading die with protection structure, including base, the top surface of base is connected to the top plate of lifting, the bottom surface center of top plate is vertically fixed pressure block, the top surface of base is vertically fixed two left and right mirror image symmetry guide rod, in the application field of cold heading die, high-precision cold heading die plays a vital role, it can produce size accurate, quality stable cold heading product, is widely used in automobile manufacturing, aerospace, precision machinery and many other industries of strict precision requirement to spare part, this kind of high-precision cold heading die is usually composed of upper die and lower die, and the two work together to realize the cold heading forming of metal material.However, in actual production process, when cold heading die is used, there is a significant problem, namely the outer side of upper die and the inner side of lower die are often directly exposed to air.In the complex environment of workshop, personnel move frequently, equipment is operated frequently, these exposed die parts are vulnerable to accidental bumps, in order to reduce this risk, the method commonly used at present is that workers install protective sleeve after the use of die is completed.The protective sleeve can effectively isolate the die from the external environment, play the role of buffering collision, prevent scratching, etc., so as to provide necessary protection for the die during idle period.But in actual operation, due to heavy production task, workers' negligence or insufficient smoothness of work process, workers often forget to install protective sleeve after completing the use of die, once the protective sleeve is not correctly installed, the outer side of upper die and the inner side of lower die lose effective protective barrier, in the subsequent die handling, storage or other related operation process, these unprotected parts are vulnerable to damage due to collision with surrounding equipment, tools or other objects.This damage can manifest as indentation, scratch, wear and tear on the surface of die, and further negatively affect the accuracy of die. UTILITY MODEL CONTENTS

[0004] The utility model discloses a high-precision cold heading die with protection function, adopt this device to work to solve the situation that staff often forgets to install protective sleeve after completing die use, once the protective sleeve is not installed correctly, the outside of upper die and the inside of lower die lose effective protective barrier, in the subsequent die handling, storage or other related operation process, these unprotected parts are vulnerable to damage due to collision with surrounding equipment, tools or other objects.

[0005] To realize above-mentioned purpose, the utility model provides the following technical scheme: a high-precision cold heading die with protection function, including base, first support plate of setting in the side of base upper side, hydraulic cylinder of fixed connection in the first support plate upper end, hydraulic rod of fixed connection in the output end of hydraulic cylinder, upper die of fixed connection in the lower end of hydraulic rod, lower die of fixed connection in the other side of base upper side, the outside of hydraulic rod is provided with push mechanism, the outside of push mechanism is provided with rotating mechanism;

[0006] Push mechanism includes first connecting rod of fixed connection in the outside of hydraulic rod, the inside of first support plate is connected in the slide plate of horizontal sliding, the inside of one side of slide plate is provided with first guide hole, the inside of first guide hole is provided with first guide rod, the inside of first support plate is provided with first guide slot, the inside of the middle of slide plate is provided with second guide hole, the inside wall of first guide hole is provided with recess near second guide hole, the inside of recess is fixedly connected with spring, one end of spring is fixedly connected with baffle, the inside of first guide slot is provided with second guide rod, the inside of second guide hole is provided with third guide rod of fixed connection with second guide rod.

[0007] Preferably, the appearance structure of the first guide hole is inclined straight line, and the cooperation mode of the first guide hole and the first guide rod is gap fit.

[0008] Preferably, the upper end of the first guide slot is vertical straight line, and the lower end of the first guide slot is horizontal straight line.

[0009] Preferably, the appearance structure of the second guide hole near one end of the first guide hole is horizontal straight line, and the appearance structure of the second guide hole away from one end of the first guide hole is inclined straight line.

[0010] Preferably, the appearance structure of the second guide rod is cuboid.

[0011] Preferably, the upper end of the baffle is attached to the inner side of the recess, and the lower end of the baffle is inclined.

[0012] Preferably, the rotating mechanism comprises a rotating rod rotatably connected to one side of the third guide rod, the other end of the sliding plate is internally provided with a first hole, the inner side of the first hole is provided with a second support plate in vertical sliding connection with the first support plate, the inner side of the second support plate is provided with a second hole, the inner wall of the second hole is provided with a third guide groove, the inner side of the third guide groove is provided with a fourth guide rod in fixed connection with the rotating rod, and the outer side of the rotating rod is fixedly connected with a protective sleeve.

[0013] Preferably, the fourth guide rod is in the form of a spiral, and the fourth guide rod and the third guide groove are in clearance fit.

[0014] The high-precision cold heading die with the protection function has the pushing mechanism, so that the upper die can automatically drive the pushing mechanism to move upwards and downwards after die pressing is completed, the upper and lower dies are protected, compared with the prior art, the staff is prevented from forgetting to protect, and the probability of damage is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a sliding plate front view sectional structure schematic view of the utility model;

[0017] Figure 3 It is a first guide groove front view structure schematic view of the utility model;

[0018] Figure 4 It is a Figure 1 Structure schematic view of A in the utility model.

[0019] In the drawing: 1, base; 2, first support plate; 3, hydraulic cylinder; 6, hydraulic rod; 7, upper die; 5, lower die; 8, pushing mechanism; 9, rotating mechanism; 801, first connecting rod; 802, sliding plate; 803, first guide hole; 804, first guide rod; 805, first guide groove; 806, second guide hole; 807, groove; 808, spring; 809, baffle; 810, second guide rod; 811, third guide rod; 901, rotating rod; 902, first hole; 903, second support plate; 904, second hole; 905, third guide groove; 906, fourth guide rod; 907, protective sleeve. DETAILED DESCRIPTION

[0020] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-4 The utility model provides technical scheme: A high accuracy cold header die with protection function, including base 1, first support plate 2 of setting in base 1 upper side, hydraulic cylinder 3 of fixed connection in first support plate 2 upper end, hydraulic rod 6 of fixed connection in hydraulic cylinder 3 output, upper die 7 of fixed connection in hydraulic rod 6 lower end, lower die 5 of fixed connection in base 1 upper side other side, the outside of hydraulic rod 6 is provided with push mechanism 8, the outside of push mechanism 8 is provided with rotating mechanism 9;

[0022] Push mechanism 8 includes first connecting rod 801 of fixed connection in the outside of hydraulic rod 6, the inside of first support plate 2 is connected in the slide plate 802 of horizontal sliding, the inside of one side of slide plate 802 is provided with first guide hole 803, the inside of first guide hole 803 is provided with first guide rod 804, the appearance structure of first guide hole 803 is inclined straight line, and the cooperation mode of first guide hole 803 and first guide rod 804 is clearance fit, so that first guide rod 804 can drive slide plate 802 to slide horizontally when moving downward, the inside of first support plate 2 is provided with first guide slot 805, the appearance structure of the upper end of first guide slot 805 is vertical straight line, and the appearance structure of the lower end of first guide slot 805 is horizontal straight line, the appearance structure of second guide rod 810 is cuboid, so that second guide rod 810 will not rotate when moving in the inside of first guide slot 805, the middle inside of slide plate 802 is provided with second guide hole 806, recess 807 is set up on the inside wall of first guide hole 803 close to second guide hole 806, spring 808 is fixedly connected in the inside of recess 807, baffle 809 is fixedly connected to one end of spring 808, the inside of first guide slot 805 is provided with second guide rod 810, third guide rod 811 fixedly connected with second guide rod 810 is arranged in the inside of second guide hole 806, the appearance structure of one end of second guide hole 806 close to first guide hole 803 is horizontal straight line, and the appearance structure of one end of second guide hole 806 away from first guide hole 803 is inclined straight line, so that second guide hole 806 can move up and down with third guide rod 811, the upper end of baffle 809 is attached to the inside of recess 807, and the lower end of baffle 809 is inclined surface, third guide rod 811 can push baffle 809 to move up and down along the inclined edge of baffle 809.

[0023] The rotating mechanism 9 comprises a rotating rod 901 rotatably connected to one side of the third guide rod 811, the other end of the sliding plate 802 is internally provided with a first hole 902, the inner side of the first hole 902 is provided with a second supporting plate 903 vertically slidably connected with the first supporting plate 2, the inner side of the second supporting plate 903 is provided with a second hole 904, a third guide groove 905 is formed in the inner wall of the second hole 904, the third guide groove 905 is internally provided with a fourth guide rod 906 fixedly connected with the rotating rod 901, the outer side of the rotating rod 901 is fixedly connected with a protective sleeve 907, the fourth guide rod 906 has a spiral appearance, and the fourth guide rod 906 and the third guide groove 905 are in clearance fit, so that the fourth guide rod 906 can be pushed to rotate by the third guide groove 905 when the fourth guide rod 906 moves horizontally.

[0024] After the upper die 7 is punched, the hydraulic rod 6 drives the first connecting rod 801 to move upwards, thereby driving the first guide rod 804 to move upwards, because the first guide hole 803 has an inclined linear appearance and is in clearance fit with the first guide rod 804, the sliding plate 802 moves to the left side, the baffle 809 moves to the left side, the third guide rod 811 on the left side of the baffle 809 moves to the left side, and when the third guide rod 811 moves to the leftmost end of the first guide groove 805, the third guide rod 811 cannot move any more, because the lower end of the baffle 809 is an inclined surface, the third guide rod 811 drives the baffle 809 to move outward, because the second guide hole 806 has a horizontal linear appearance near one end of the first guide hole 803 and has an inclined linear appearance far from the other end of the first guide hole 803, the third guide rod 811 is pushed by the edge of the second guide hole 806 to move upwards along the track of the first guide groove 805, thereby driving the third guide rod 811, the rotating rod 901 and the protective sleeve 907 to move upwards and downwards, protecting the upper die 7 and the lower die 5, avoiding the staff from forgetting, and reducing the probability of damage.

[0025] When the third guide rod 811 moves horizontally, the rotating rod 901 moves horizontally, so that the fourth guide rod 906 moves horizontally, because the fourth guide rod 906 has a spiral appearance and is in clearance fit with the third guide groove 905, the rotating rod 901 and the protective sleeve 907 rotate, and the debris adhered to the protective sleeve 907 is thrown out.

[0026] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0027] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A high-precision cold heading mold with protective function, comprising a base (1), a first support plate (2) disposed on one side above the base (1), a hydraulic cylinder (3) fixedly connected to the upper end of the first support plate (2), a hydraulic rod (6) fixedly connected to the output end of the hydraulic cylinder (3), an upper mold (7) fixedly connected to the lower end of the hydraulic rod (6), and a lower mold (5) fixedly connected to the other side above the base (1), characterized in that: The outer side of the hydraulic rod (6) is provided with a pushing mechanism (8), and the outer side of the pushing mechanism (8) is provided with a rotating mechanism (9); The pushing mechanism (8) comprises a first connecting rod (801) fixedly connected to the outer side of the hydraulic rod (6), and the inner side of the first support plate (2) is transversely and slidably connected to a sliding plate (802). The inner side of one side of the sliding plate (802) is provided with a first guide hole (803), and the inner side of the first guide hole (803) is provided with a first guide rod (804). The inner side of the first support plate (2) is provided with a first guide groove (805), and the inner side of the first guide groove (805) is provided with a second guide rod (810). The middle of the inner side of the sliding plate (802) is provided with a second guide hole (806), and the inner side wall of the second guide hole (806) is provided with a groove (807) close to the first guide hole (803). The inner side of the groove (807) is fixedly connected with a spring (808), one end of the spring (808) is fixedly connected with a baffle (809), and the inner side of the first guide groove (805) is provided with a second guide rod (810). The inner side of the second guide hole (806) is provided with a third guide rod (811) fixedly connected with the second guide rod (810).

2. The high-precision cold heading die with a protection function according to claim 1, characterized in that: The first guide hole (803) is in the form of an inclined straight line, and the first guide hole (803) and the first guide rod (804) are in clearance fit.

3. The high-precision cold heading die with a protection function according to claim 1, characterized in that: The upper end of the first guide groove (805) is in the form of a vertical straight line, and the lower end of the first guide groove (805) is in the form of a horizontal straight line.

4. The high-precision cold heading die with a protection function according to claim 1, characterized in that: The end of the second guide hole (806) close to the first guide hole (803) is in the form of a horizontal straight line, and the end of the second guide hole (806) away from the first guide hole (803) is in the form of an inclined straight line.

5. The high-precision cold heading die with a protection function according to claim 1, characterized in that: The second guide rod (810) is in the form of a cuboid.

6. The high-precision cold heading die with a protection function according to claim 1, characterized in that: The upper end of the baffle (809) is in the form of a vertical straight line, and the lower end of the baffle (809) is in the form of an inclined straight line.

7. The high-precision cold heading die with a protection function according to claim 1, characterized in that: The rotating mechanism (9) comprises a rotating rod (901) rotatably connected to one side of the third guide rod (811), and the other end of the sliding plate (802) is internally provided with a first hole (902). The inner side of the first hole (902) is provided with a second support plate (903) vertically and slidably connected with the first support plate (2). The inner side of the second support plate (903) is provided with a second hole (904), and the inner wall of the second hole (904) is provided with a third guide groove (905). The inner side of the third guide groove (905) is provided with a fourth guide rod (906) fixedly connected with the rotating rod (901), and the outer side of the rotating rod (901) is fixedly connected with a protective sleeve (907).

8. The high-precision cold heading die with a protection function according to claim 7, characterized in that: The fourth guide rod (906) is in the form of a spiral, and the fourth guide rod (906) and the third guide groove (905) are in clearance fit.

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