Plate spring grooving and bending compound die

Abstract

The utility model provides a plate spring grooving and bending compound die which comprises a die plate piece, the die plate piece comprises an upper die plate installed below a pressing plate at the upper end of a machine tool and a lower die plate arranged on a working table of the machine tool, a centering die handle is arranged at the upper end of the upper die plate, and the upper die plate is connected with a die handle hole in the machine tool through the centering die handle; the centering die handle is fixedly installed on the upper die plate through a first screw, and a guiding and positioning piece is installed between the upper die plate and the lower die plate so as to guide and position the upper die plate which moves up and down. Grooving of a plate spring piece is completed through the upper cutter assembly and the lower cutter assembly, bending of the plate spring piece is completed through the bending upper module and the bending lower module, continuous completion of one-time heating grooving and bending is achieved, and the machining procedure is optimized. Due to one-time heating, continuous grooving and bending production can be achieved in the production process, the production efficiency of the plate spring pieces of the type is greatly improved, and the requirement for batch production of all the plate springs of the type at present can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of leaf spring processing dies, in particular to a leaf spring grooving and bending composite die. Background Art

[0002] At present, the domestic leaf spring grooving and bending processes are separate. Generally, the end of the leaf spring is first hot-cut to cut an I-shaped groove on a punch press; then it is reheated for the bending process; since secondary heating is required, energy consumption is increased, and workers need to carry the leaf spring leaves twice, the production efficiency is very low, and multiple heating has a great impact on the life of the leaf spring. Therefore, a leaf spring grooving and bending composite mold is needed to achieve the production of grooving and bending processes with one heating to improve production efficiency. Utility Model Content

[0003] The technical problem solved by the utility model is to provide a die for continuous production of grooving and bending of leaf springs, so as to solve the problems raised in the above-mentioned background technology.

[0004] The technical problem solved by the utility model is achieved by the following technical solutions:

[0005] A leaf spring grooving and bending composite die, comprising:

[0006] The template part includes an upper template installed under the upper pressure plate of the machine tool and a lower template arranged on the working table of the machine tool. A centering die handle is provided at the upper end of the upper template, so as to be connected with the die handle hole on the machine tool through the centering die handle. The centering die handle is fixedly installed on the upper template by a first screw. A guide positioning member is installed between the upper template and the lower template to guide and position the upper template that moves upward and downward;

[0007] A grooving mechanism is installed on one side of the template, and includes an upper knife assembly installed under the upper template and a lower knife assembly arranged at a corresponding position of the lower template. The upper knife assembly and the lower knife assembly are arranged in cooperation to groove the leaf spring. A grooving positioning bracket for placing the leaf spring is also provided on one side of the lower template, and a rear grooving positioning member is installed on the lower knife assembly away from the grooving positioning bracket to achieve accurate positioning of the leaf spring through the grooving positioning bracket and the grooving positioning bracket.

[0008] A bending mechanism is installed on a side of the above-mentioned template away from the grooving mechanism. The bending mechanism includes an upper bending module installed under the upper template and a lower bending module arranged on the lower template. A bending bracket for placing a leaf spring is provided on one side of the lower template. A side positioning member and a center positioning member are provided on the bending bracket. The side positioning member is arranged on one side of the lower bending module.

[0009] As a further solution of the utility model:

[0010] The guide positioning member comprises:

[0011] The guide shaft is vertically mounted on both sides of the lower template. The lower template is provided with screw holes at corresponding positions of the guide shaft, and the guide shaft is fixed by a fifth screw;

[0012] A guide sleeve, which is fixedly mounted on both sides of the lower end of the upper template, and the upper template is provided with a fourth screw corresponding to the guide sleeve for fixing it;

[0013] The guide shaft is slidably inserted into the guide sleeve to limit the lifting and lowering movement of the upper template.

[0014] As a further solution of the utility model:

[0015] The upper knife assembly includes an upper knife seat fixedly mounted under the upper template and an upper cutter arranged on the upper knife seat. The upper template and the upper knife seat are provided with positioning holes, and the positioning pin shaft is inserted into the positioning hole to locate the installation position of the upper knife seat. The upper knife seat is fixedly mounted on the right side of the lower end surface of the upper template by a second screw, and the upper cutter is mounted on the lower end of the upper knife seat by a third screw.

[0016] The lower knife assembly comprises a lower knife seat fixedly mounted on the lower template and a lower cutting knife mounted on the lower knife seat, wherein the lower cutting knife is fixedly mounted on the lower knife seat by a seventh screw;

[0017] The upper cutter and the lower cutter are arranged relative to each other to complete the grooving of the leaf spring.

[0018] As a further solution of the utility model:

[0019] The grooving positioning bracket includes a grooving bracket installed on the lower template and a positioning bracket arranged on the grooving bracket, one side of the grooving bracket is fixedly installed at the corresponding position of the lower template by the eighth screw, one side of the grooving bracket is provided with a tail bracket, the positioning bracket is installed on the tail bracket, the positioning bracket is an I-shaped structure, and positioning strips are fixedly installed on the inner side of both ends of the positioning bracket, and the positioning strips are fixedly installed on the positioning bracket by the tenth screw.

[0020] As a further solution of the utility model:

[0021] The rear positioning member after grooving includes a support seat installed on the lower template and a positioning block arranged at the upper end of the support seat, the support seat is installed on the lower template by the ninth screw, and the positioning block is installed at the end position of the support seat by the sixth screw and is placed flat on the upper end surface of the lower cutting knife.

[0022] As a further solution of the utility model:

[0023] A bending die positioning groove is provided on the left side of the upper template corresponding to the upper bending module. The upper bending module is installed on the left side of the lower end surface of the upper template by the thirteenth screw, and the lower bending module is installed on the left side of the upper end surface of the lower template by the fourteenth screw. The upper bending module and the lower bending module are arranged in cooperation to bend the leaf spring.

[0024] As a further solution of the utility model:

[0025] The bending bracket is fixedly mounted on the lower template by means of a fifteenth screw, a bending support plate is provided at the upper end of the bending bracket, a waist-shaped sink groove is provided in the middle of the bending support plate, and the center positioning piece can be adjusted and installed at a corresponding position of the bending support plate;

[0026] The center positioning member includes a positioning slider installed in the waist-shaped sink groove and a positioning clamping plate arranged at the lower end of the bending support plate. The positioning slider is adjustable and installed in the waist-shaped sink groove. The positioning slider and the positioning clamping plate are fixedly clamped on the bending support plate by the sixteenth screw. A center positioning pin is vertically fixedly installed on the positioning slider to position the leaf spring piece by the center positioning pin. Specifically, the personnel can adjust the position of the positioning slider and the positioning clamping plate on the bending support plate by loosening the sixteenth screw, so as to adjust and set the leaf spring pieces of different processing sizes.

[0027] As a further solution of the utility model:

[0028] The side positioning member includes a positioning support block fixedly mounted on one side of the bending bracket and a positioning side slider adjustably mounted on the positioning support block. The positioning support block is fixedly mounted on one side of the bending bracket by a twelfth screw, and the positioning side slider is fixed to the side end surface of the positioning support block by an eleventh screw, and the positioning side slider is located on one side of the lower knife seat to position the leaf spring.

[0029] Compared with the prior art, the beneficial effects of the utility model are as follows: the device completes the grooving of the leaf spring through the upper knife assembly and the lower knife assembly, and completes the bending of the leaf spring through the upper bending module and the lower bending module, so as to achieve continuous grooving and bending in one heating, and optimize the processing procedure. The upper knife assembly and the upper bending module are fixedly mounted on the upper template, and the lower knife assembly and the lower bending module are fixedly mounted on the lower template. According to the product process requirements, the positions of the grooving positioning bracket, the rear grooving positioning member, the center positioning member and the side positioning member can be adjusted to facilitate the accurate placement of the leaf spring in the processing area; because it is heated once, continuous grooving and bending can be performed during production, which greatly improves the production efficiency of this type of leaf spring, and it can meet the current batch production of all leaf springs of this type. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a front view structural schematic diagram of the utility model;

[0031] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0032] Figure 3 It is a schematic diagram of the structure of the grooving mechanism of the utility model;

[0033] Figure 4 This is a schematic diagram of the structure of the bending mechanism of the utility model;

[0034] Markings in the figure: 1. Upper template; 2. Lower template; 3. Grooving mechanism; 4. Bending mechanism; 5. Grooving bracket; 6. Positioning slide block; 11. Centering die handle; 12. First screw; 13. Guide shaft; 14. Fifth screw; 15. Guide sleeve; 16. Fourth screw; 31. Upper knife seat; 32. Upper cutter; 33. Positioning pin; 34. Second screw; 35. Third screw; 36. Lower knife seat; 37. Lower cutter; 38. Seventh screw; 41. Bending upper module; 42. Bending lower module; 43 , bending bracket; 44, thirteenth screw; 45, bending support plate; 46, fifteenth screw; 47, fourteenth screw; 51, positioning support plate; 52, eighth screw; 53, tail support plate; 54, positioning strip; 55, tenth screw; 56, support seat; 57, positioning block; 58, ninth screw; 59, sixth screw; 61, positioning splint; 62, sixteenth screw; 63, center positioning pin; 64, positioning support block; 65, twelfth screw; 66, eleventh screw; 67, positioning side slider. DETAILED DESCRIPTION

[0035] In order to make the technical means for realizing the utility model, creative features, objectives and effects easy to understand, the utility model is further explained below with reference to specific illustrations.

[0036] like Figures 1 to 4 As shown,

[0037] This embodiment provides a leaf spring grooving and bending composite die, comprising:

[0038] The template part includes an upper template 1 installed under the upper pressure plate of the machine tool and a lower template 2 arranged on the worktable of the machine tool. A centering die handle 11 is provided at the upper end of the upper template 1, and is connected to the die handle hole on the machine tool through the centering die handle 11. The centering die handle 11 is fixedly installed on the upper template 1 through a first screw 12. A guide positioning member is installed between the upper template 1 and the lower template 2 to guide and position the upper template 1 that moves upward and downward;

[0039] A slotting mechanism 3 is installed on one side of the template member. The slotting mechanism 3 includes an upper knife assembly installed under the upper template 1 and a lower knife assembly arranged at a corresponding position of the lower template 2. The upper knife assembly and the lower knife assembly are arranged in cooperation to slot the leaf spring. A slotting positioning bracket for placing the leaf spring is also provided on one side of the lower template 2. A slotting rear positioning member is installed on the lower knife assembly away from the slotting positioning bracket to achieve accurate positioning of the leaf spring through the slotting positioning bracket and the slotting positioning bracket.

[0040] The bending mechanism 4 is installed on the side of the above-mentioned template away from the grooving mechanism 3. The bending mechanism 4 includes an upper bending module 41 installed under the upper template 1 and a lower bending module 42 arranged on the lower template 2. A bending bracket 43 for placing a leaf spring is provided on one side of the lower template 2. A side positioning member and a center positioning member are provided on the bending bracket 43. The side positioning member is arranged on one side of the lower bending module 42.

[0041] like Figure 1 and Figure 2 As shown, in this embodiment, the guide positioning member includes:

[0042] The guide shaft 13 is vertically mounted on both sides of the lower template 2. The lower template 2 is provided with screw holes at positions corresponding to the guide shaft 13, and the guide shaft 13 is fixed by a fifth screw 14;

[0043] A guide sleeve 15, which is fixedly mounted on both sides of the lower end of the upper template 1, and the upper template 1 is provided with fourth screws 16 corresponding to the guide sleeve 15 for fixing it;

[0044] The guide shaft 13 is slidably inserted into the guide sleeve 15 to limit the lifting and lowering movement of the upper template 1.

[0045] like Figure 2 and Figure 3 As shown, in this embodiment, the upper knife assembly includes an upper knife seat 31 fixedly mounted under the upper template 1 and an upper cutter 32 arranged on the upper knife seat 31. The upper template 1 and the upper knife seat 31 are provided with positioning holes, and a positioning pin 33 is inserted into the positioning hole to locate the installation position of the upper knife seat 31. The upper knife seat 31 is fixedly mounted on the right side of the lower end surface of the upper template 1 by a second screw 34, and the upper cutter 32 is mounted on the lower end of the upper knife seat 31 by a third screw 35.

[0046] The lower knife assembly includes a lower knife seat 36 fixedly mounted on the lower template 2 and a lower cutter 37 mounted on the lower knife seat 36, and the lower cutter 37 is fixedly mounted on the lower knife seat 36 by a seventh screw 38;

[0047] The upper cutter 32 and the lower cutter 37 are arranged relative to each other to complete the grooving of the leaf spring.

[0048] The grooving positioning bracket includes a grooving bracket 5 installed on the lower template 2 and a positioning support plate 51 arranged on the grooving bracket 5. One side of the grooving bracket 5 is fixedly installed at the corresponding position of the lower template 2 by the eighth screw 52. One side of the grooving bracket 5 is provided with a tail support plate 53. The positioning support plate 51 is installed on the tail support plate 53. The positioning support plate 51 is an I-shaped structure. Positioning strips 54 are fixedly installed on the inner side of both ends of the positioning support plate 51. The positioning strips 54 are fixedly installed on the positioning support plate 51 by the tenth screw 55.

[0049] The rear positioning member after grooving includes a support seat 56 installed on the lower template 2 and a positioning block 57 arranged at the upper end of the support seat 56. The support seat 56 is installed on the lower template 2 by a ninth screw 58, and the positioning block 57 is installed at the end position of the support seat 56 by a sixth screw 59 and is placed flat on the upper end surface of the lower cutter 37.

[0050] like Figure 2 and Figure 4 As shown, in this embodiment, a bending die positioning groove is provided on the left side of the upper template 1 corresponding to the bending upper module 41, the bending upper module 41 is installed on the left side of the lower end surface of the upper template 1 by the thirteenth screw 44, and the bending lower module 42 is installed on the left side of the upper end surface of the lower template 2 by the fourteenth screw 47. The bending upper module 41 and the bending lower module 42 are arranged in cooperation to bend the leaf spring.

[0051] The bending bracket 43 is fixedly mounted on the lower template 2 by means of a fifteenth screw 46. A bending support plate 45 is provided at the upper end of the bending bracket 43. A waist-shaped recess is provided in the middle of the bending support plate 45. The center positioning member can be adjusted and installed at the corresponding position of the bending support plate 45.

[0052] The center positioning member includes a positioning slider 6 installed in the waist-shaped sink groove and a positioning clamp 61 arranged at the lower end of the bending support plate 45. The positioning slider 6 can be adjusted and installed in the waist-shaped sink groove. The positioning slider 6 and the positioning clamp 61 are fixedly clamped on the bending support plate 45 by the sixteenth screw 62. A center positioning pin 63 is vertically fixedly installed on the positioning slider 6 to position the leaf spring piece by the center positioning pin 63. Specifically, the personnel can adjust the position of the positioning slider 6 and the positioning clamp 61 on the bending support plate 45 by loosening the sixteenth screw 62, so as to adjust and set the leaf spring pieces of different processing sizes.

[0053] The side positioning member includes a positioning support block 64 fixedly mounted on one side of the bending bracket 43 and a positioning side slider 67 adjustably mounted on the positioning support block 64. The positioning support block 64 is fixedly mounted on one side of the bending bracket 43 by a twelfth screw 65, and the positioning side slider 67 is fixed to the side end surface of the positioning support block 64 by an eleventh screw 66. The positioning side slider 67 is located on one side of the lower knife seat 36 to position the leaf spring.

[0054] The working principle of the utility model is as follows: install the mold on the punch press, adjust the mold closing height, adjust the position of the upper knife seat 31 and the lower knife seat 36 by loosening the screws, and adjust the matching clearance between the upper cutter 32 and the lower cutter 37. According to the product process requirements, adjust the positions of the slotting positioning bracket, the slotting rear positioning member, the center positioning member and the side positioning member so that the leaf spring can be accurately placed in the processing area.

[0055] The heated leaf spring is fed into the groove positioning bracket, and the leaf spring is pressed against the positioning block 57, and the foot switch is started to cut out the I-shaped groove; then the center hole of the leaf spring is placed into the center positioning pin 63 of the bending bracket 43, and the side of the leaf spring should contact the positioning side slider 67, and the foot switch is started again, the spring is bent into shape, and the leaf spring is taken out. After the spring is inspected and qualified, the heated leaf spring is continued to be grooved and bent, and the second leaf spring is continuously processed, and batch production can be carried out repeatedly in this way.

[0056] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and the description only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will also have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents. It should be noted that in this article, if there are first and second relationship terms such as only used to distinguish one entity or operation from another entity or operation, it does not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the term "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those elements, but also includes other elements that are not explicitly listed, or also includes elements inherent to such process, method, article or equipment. Without more constraints, an element defined by the phrase "comprising a..." does not exclude the existence of other identical elements in the process, method, article or apparatus comprising the element.

Claims

1. A composite die for cutting grooves and bending leaf springs, characterized in that: include: The template part includes an upper template installed under the upper pressure plate of the machine tool and a lower template arranged on the working table of the machine tool. A centering die handle is provided at the upper end of the upper template, so as to be connected with the die handle hole on the machine tool through the centering die handle. The centering die handle is fixedly installed on the upper template by a first screw. A guide positioning member is installed between the upper template and the lower template to guide and position the upper template that moves upward and downward; A grooving mechanism is installed on one side of the template, and includes an upper knife assembly installed under the upper template and a lower knife assembly arranged at a corresponding position of the lower template. The upper knife assembly and the lower knife assembly are arranged in cooperation to groove the leaf spring. A grooving positioning bracket for placing the leaf spring is also provided on one side of the lower template, and a rear grooving positioning member is installed on the lower knife assembly away from the grooving positioning bracket to achieve accurate positioning of the leaf spring through the grooving positioning bracket and the grooving positioning bracket. A bending mechanism is installed on a side of the above-mentioned template away from the grooving mechanism. The bending mechanism includes an upper bending module installed under the upper template and a lower bending module arranged on the lower template. A bending bracket for placing a leaf spring is provided on one side of the lower template. A side positioning member and a center positioning member are provided on the bending bracket. The side positioning member is arranged on one side of the lower bending module.

2. A leaf spring grooving and bending composite die according to claim 1, characterized in that: The guide positioning member comprises: The guide shaft is vertically mounted on both sides of the lower template. The lower template is provided with screw holes at corresponding positions of the guide shaft, and the guide shaft is fixed by a fifth screw; A guide sleeve, which is fixedly mounted on both sides of the lower end of the upper template, and the upper template is provided with a fourth screw corresponding to the guide sleeve for fixing it; The guide shaft is slidably inserted into the guide sleeve to limit the lifting and lowering movement of the upper template.

3. A leaf spring grooving and bending composite die according to claim 1, characterized in that: The upper knife assembly includes an upper knife seat fixedly mounted under the upper template and an upper cutter arranged on the upper knife seat. The upper template and the upper knife seat are provided with positioning holes, and the positioning pin shaft is inserted into the positioning hole to locate the installation position of the upper knife seat. The upper knife seat is fixedly mounted on the right side of the lower end surface of the upper template by a second screw, and the upper cutter is mounted on the lower end of the upper knife seat by a third screw. The lower knife assembly comprises a lower knife seat fixedly mounted on the lower template and a lower cutting knife mounted on the lower knife seat, wherein the lower cutting knife is fixedly mounted on the lower knife seat by a seventh screw; The upper cutter and the lower cutter are arranged relative to each other to complete the grooving of the leaf spring.

4. A leaf spring grooving and bending composite die according to claim 3, characterized in that: The grooving positioning bracket includes a grooving bracket installed on the lower template and a positioning bracket arranged on the grooving bracket, one side of the grooving bracket is fixedly installed at the corresponding position of the lower template by the eighth screw, one side of the grooving bracket is provided with a tail bracket, the positioning bracket is installed on the tail bracket, the positioning bracket is an I-shaped structure, and positioning strips are fixedly installed on the inner side of both ends of the positioning bracket, and the positioning strips are fixedly installed on the positioning bracket by the tenth screw.

5. The leaf spring grooving and bending composite die according to claim 3, characterized in that: The rear positioning member after grooving includes a support seat installed on the lower template and a positioning block arranged at the upper end of the support seat, the support seat is installed on the lower template by the ninth screw, and the positioning block is installed at the end position of the support seat by the sixth screw and is placed flat on the upper end surface of the lower cutting knife.

6. The leaf spring grooving and bending composite die according to claim 1, characterized in that: A bending die positioning groove is provided on the left side of the upper template corresponding to the upper bending module. The upper bending module is installed on the left side of the lower end surface of the upper template by the thirteenth screw, and the lower bending module is installed on the left side of the upper end surface of the lower template by the fourteenth screw. The upper bending module and the lower bending module are arranged in coordination.

7. A leaf spring grooving and bending composite die according to claim 6, characterized in that: The bending bracket is fixedly mounted on the lower template by means of a fifteenth screw, a bending support plate is provided at the upper end of the bending bracket, a waist-shaped sink groove is provided in the middle of the bending support plate, and the center positioning piece can be adjusted and installed at a corresponding position of the bending support plate; The center positioning part includes a positioning slider installed in the waist-shaped groove and a positioning clamp plate arranged at the lower end of the bending support plate. The positioning slider can be adjusted and installed in the waist-shaped groove. The positioning slider and the positioning clamp plate are fixed on the bending support plate by the sixteenth screw. A center positioning pin is vertically fixed on the positioning slider to position the leaf spring through the center positioning pin.

8. The leaf spring grooving and bending composite die according to claim 7, characterized in that: The side positioning member includes a positioning support block fixedly mounted on one side of the bending bracket and a positioning side slider adjustably mounted on the positioning support block. The positioning support block is fixedly mounted on one side of the bending bracket by a twelfth screw, and the positioning side slider is fixed to the side end surface of the positioning support block by an eleventh screw, and the positioning side slider is located on one side of the lower tool seat.

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