Lower tool apron of high-speed stamping equipment

Abstract

A lower tool apron of high-speed stamping equipment comprises a stamping plate, a supporting frame for supporting the stamping plate, a rotating shaft pivoted to the supporting frame, a driving assembly for driving the rotating shaft to rotate, cams arranged at the two ends of the rotating shaft, a transmission assembly matched with the cams and a supporting rod connected with the transmission assembly. The transmission assembly comprises a connecting sleeve arranged on the cam in a sleeving mode and a movable block hinged to the connecting sleeve, an air bag is arranged at the lower end of the supporting rod, and the upper end of the supporting rod penetrates through the movable block and the stamping plate and then is fixedly connected with the upper tool apron. According to the principle, the driving assembly drives the rotating shaft to rotate, the rotating shaft drives the transmission assembly to regularly move up and down through the cam, the driving assembly drives the supporting rod, and the supporting rod drives the whole upper tool apron to repeatedly move up and down relative to the lower tool apron for punching; vibration transmission between the supporting rod and the supporting frame assembly is prevented, and the stability of equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping equipment, in particular to a lower tool holder of a high-speed stamping equipment. Background Art

[0002] The high-speed stamping equipment includes an upper tool holder, a lower tool holder and a support rod. The upper tool holder reciprocates for cutting and stamping with the lower tool holder through the support rod. The lower tool holder will vibrate when impacted by the upper tool holder, and the vibration will affect the support rod, thus affecting the service life and stamping accuracy of the equipment. Summary of the Invention

[0003] The technical problem to be solved by the utility model is to provide a lower tool holder of a high-speed stamping equipment, which has a good damping effect on the support rod.

[0004] To solve the above technical problem, the technical solution of the utility model is: a lower tool holder of a high-speed stamping equipment, including a stamping plate, a support frame for supporting the stamping plate, a rotating shaft pivotally connected to the support frame, a driving component for driving the rotating shaft to rotate, cams provided at both ends of the rotating shaft, a transmission component cooperating with the cams, and a support rod connected to the transmission component; the transmission component includes a connecting sleeve sleeved on the cam and a movable block hinged to the connecting sleeve, an air bag is provided at the lower end of the support rod, and the upper end of the support rod passes through the movable block and the stamping plate and is fixedly connected to the upper tool holder. The principle of the utility model: the driving component drives the rotating shaft to rotate, the rotating shaft drives the transmission component to move up and down regularly through the cams, the driving component drives the support rod, and the support rod drives the whole upper tool holder to move up and down repeatedly relative to the lower tool holder for stamping. Since an air bag is provided at the lower end of the support rod, the air bag has a damping effect on the support rod, preventing the vibration from being transmitted between the support rod and the support frame assembly, and improving the stability of the equipment.

[0005] As an improvement, the support frame includes a bottom plate and end plates provided at both ends of the bottom plate, bearing seats are provided on the end plates, and the rotating shaft passes through the bearing seats.

[0006] As an improvement, the movable block is in an inverted T shape, the support rod is provided on both sides of the movable block, and two first nuts for locking the movable block are provided on the support rod; a stop platform and a second nut are provided at the upper end of the support rod, and the first upper mounting plate is provided between the stop platform and the second nut.

[0007] As an improvement, the driving component is fixed on the support frame, and it includes a driving motor, a driving pulley provided on the output shaft of the driving motor, a driven pulley provided on the rotating shaft, and a synchronous belt.

[0008] The beneficial effects brought by the utility model compared with the prior art are:

[0009] Since an air bag is provided at the lower end of the support rod, the air bag has a damping effect on the support rod, preventing the vibration from being transmitted between the support rod and the support frame assembly, and improving the stability of the equipment. Description of the Drawings

[0010] Figure 1 It is a schematic diagram of the end of a high-speed stamping device.

[0011] Figure 2 It is a schematic diagram of the other end of the high-speed stamping device.

[0012] Figure 3 It is a top view of the high-speed stamping device.

[0013] Figure 4 It is a front view of the high-speed stamping device.

[0014] Figure 5 It is a schematic diagram of the tool assembly. Detailed Implementation Manner

[0015] The present utility model will be further described below in conjunction with the drawings of the specification.

[0016] A high-speed stamping device includes an upper tool holder 1 and a lower tool holder 2.

[0017] As shown in Figures 1 to 5 , the upper tool holder 1 includes a tool assembly 13, a first upper mounting plate 11, a second upper mounting plate 12 provided above the first upper mounting plate 11, a rack 16 provided on the top surface of the second upper mounting plate 12, and a slide rail 136 provided on the bottom surface of the second upper mounting plate 12. A gap is provided between the second upper mounting plate 12 and the first upper mounting plate 11. The second upper mounting plate 12 fixes the top of the first upper mounting plate 11 through a support block, and the gap between the first upper mounting plate 11 and the second upper mounting plate 12 can be adjusted through the support block. The first upper mounting plate 11 is provided with a first elongated hole arranged along its length direction, and the second upper mounting plate 12 is provided with a second elongated hole corresponding to the first elongated hole. Protective plates 14 are provided on both sides of the second upper mounting plate 12, and reinforcing plates 15 are provided between the protective plates 14 and the second upper mounting plate 12. As shown in Figure 5As shown, the tool assembly 13 includes a first motor base 132, a first motor 131 provided on the first motor base 132, a gear 17 connected to the output shaft of the first motor 131, a second motor base 134 connected to the first motor base 132, a tool 135, a second motor 133 provided on the second motor base 134 and used to drive the tool 135 to rotate, and a slider 137 connected to the second motor base 134. The first motor 131 and the second motor 133 are provided between the two guard plates 14, and the guard plates 14 can protect the motors. The gear 17 meshes with the rack 16, the rack 16 is arranged parallel to the second elongated hole, and the first motor drives the gear 17 to move on the rack 16, thereby driving the first motor base 132 and the second motor base 134. A limiting groove is provided on the second motor base 134, the first motor base 132 includes a fixing plate, one end of the fixing plate is provided in the limiting groove, a kidney-shaped hole is provided on the fixing plate, and the fixing plate is fixedly connected to the second motor base 134 through a bolt. By adjusting the position of the first motor base 132, the gear 17 can mesh with the rack 16. The second motor base 134 includes a horizontal plate provided above the second upper mounting plate 12, a vertical plate provided at the bottom of the horizontal plate, and a sliding plate fixed to the vertical plate. The vertical plate passes through the second elongated hole and the first elongated hole, the tool is mounted on the vertical plate, and the slider 137 is provided on the sliding plate and is in sliding fit with the slide rail 136, which is used to increase the stability when the second motor base 134 moves.

[0018] As Figures 1 to 4As shown, the lower tool holder 2 includes a stamping plate 21, a support frame 22 for supporting the stamping plate 21, a rotating shaft 27 pivotally connected to the support frame 22, a driving component 26 for driving the rotation of the rotating shaft 27, cams provided at both ends of the rotating shaft 27, a transmission component 25 cooperating with the cams, and a support rod 23 connected to the transmission component 25. The transmission component 25 includes a connecting sleeve 251 sleeved on the cam and a movable block 252 hinged to the connecting sleeve 251; the connecting sleeve 251 includes an upper housing and a lower housing, which are connected by bolts, a connecting portion is provided at the bottom of the lower housing, and the connecting portion is hinged to the middle position of the lower movable block 252. The movable block 252 is in an inverted T shape, the support rod 23 is provided on both sides of the movable block 252, an air bag 24 is provided at the lower end of the support rod 23, and the air bag 24 is connected to an air source tank; the support rod 23 passes through the movable block 252, and two first nuts for locking the movable block 252 are provided on the support rod 23 so that the movable block 252 can drive the support rod 23; a stop platform and a second nut are provided at the upper end of the support rod 23, and the first upper mounting plate 11 is provided between the stop platform and the second nut so that the support rod 23 can drive the first upper mounting plate 11. The support frame 22 includes a bottom plate and end plates provided at both ends of the bottom plate, and bearing seats are provided on the end plates, and the rotating shaft 27 passes through the bearing seats. The driving component 26 is fixed on the support frame 22, and includes a driving motor 261, a driving pulley 262 provided on the output shaft of the driving motor 261, a driven pulley 263 provided on the rotating shaft 27, and a synchronous belt 264. The driving motor drives the driving pulley 262, the driving pulley 262 drives the driven pulley 263 through the synchronous belt 264, and the driven pulley 263 drives the rotating shaft 27.

[0019] Principle of the present utility model: The second motor drives the gear 17, the gear 17 meshes with the rack 16 to drive the second motor base 134 to move along the rack 16. Since the second motor base 134 is connected to the first motor base 132, the second motor base 134 drives the first motor base 132, and the first motor base 132 drives the first motor 131 and the tool 135 to move to adjust the position. The second motor 133 can drive the tool 135 to rotate and work; the driving component 26 drives the rotating shaft 27 to rotate, the rotating shaft 27 drives the transmission component 25 to move up and down regularly through the cam, the driving component 26 drives the support rod 23, and the support rod 23 drives the entire upper tool holder 1 to move up and down relative to the lower tool holder 2 repeatedly for stamping. Since the air bag 24 is provided at the lower end of the support rod 23, the air bag 24 has a vibration damping effect on the support rod 23, preventing the transmission of vibration between the support rod 23 and the support frame 22 assembly, and improving the stability of the equipment.

Claims

1. A lower tool holder for high-speed stamping equipment, characterized by: It includes a stamping plate, a support frame supporting the stamping plate, a rotating shaft pivotally connected to the support frame, a driving assembly for driving the rotating shaft to rotate, cams provided at both ends of the rotating shaft, a transmission assembly cooperating with the cam and a support rod connected to the transmission assembly; the transmission assembly includes a connecting sleeve sleeved on the cam and a movable block hinged to the connecting sleeve, the lower end of the support rod is provided with an airbag, and the upper end of the support rod is fixedly connected to the upper tool holder after passing through the movable block and the stamping plate.

2. The lower tool holder of high-speed stamping equipment according to claim 1, characterized in that: The support frame includes a base plate and end plates arranged at both ends of the base plate, the end plates are provided with bearing seats, and the rotating shaft passes through the bearing seats.

3. The lower tool holder of high-speed stamping equipment according to claim 1, characterized in that: The movable block is in an inverted T shape, the support rod is arranged on both sides of the movable block, and two first nuts for locking the movable block are provided on the support rod; a stop platform and a second nut are provided at the upper end of the support rod, and the first upper mounting plate is arranged between the stop platform and the second nut.

4. The lower tool holder of high-speed stamping equipment according to claim 1, characterized in that: The driving assembly is fixed on the supporting frame and comprises a driving motor, a driving pulley arranged on the output shaft of the driving motor, a driven pulley arranged on the rotating shaft and a synchronous belt.

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